API Startups funded by Y Combinator (YC) 2024

Checkr builds people infrastructure for the future of work. And we believe everyone should have a fair chance to work. That's why we've designed a faster—and fairer—way to screen job seekers. For more information on our mission and products, visit http://checkr.com.

The world’s largest omnichannel communications platform. MessageBird powers communication between businesses and their customers — across any channel, always with the right context, and on every corner of the planet. Its products and solutions are the foundational building blocks to business communications across preferred channels, like SMS, Voice, WhatsApp, WeChat, Messenger, Email and more. Founded in 2011, MessageBird connects to billions of devices and is trusted by nearly 20,000 customers worldwide. Headquartered in Amsterdam, MessageBird operates across nine global hubs — including Singapore, Dublin, Shanghai, Sydney, London, Bogota and Asuncion — and is proud to be a “Work Anywhere” company. Its team of 500 employees represent more than 55 nationalities.

Modern Treasury offers tools that automate the full cycle of money movement—from payment initiation, through approvals, to reconciliation—and are accessible through web application or API.

Mux is an API-first video platform designed by experts to make world-class video streaming and analytics possible for every development team. Self-optimizing videos take the guesswork out of encodings, delivery, and renditions. Mux makes your video look beautiful on every device, every time. We offer two products, Mux Video and Mux Data. Mux Video is a simple API to advanced video streaming. Powered by data and designed by video experts, Mux Video makes beautiful video possible for every development team. Post a video or live stream with a single API call, and watch it within seconds. Mux Video handles the encoding, storage, and delivery. QoE and performance analytics provided by Mux Data is included by default for every Mux video stream.This real-time data is used to create the right renditions for every device and title, resulting in greater reliability and better viewer experiences. Mux Data is a Quality of Experience analytics platform that measures the performance metrics that actually matter to viewers: rebuffering, startup time, video quality, and errors. Our intuitive dashboard quickly gives users the insight to find issues and make improvements through features like A/B testing, industry-wide scores, alerts, and detailed information about every single video view. The product works out of the box on HTML5, iOS, Android, and major OTT platforms. All data is available via exports and APIs, making it easy to integrate Mux Data into other systems.

Web3 developer platform to build, test, and scale blockchain applications. Lightning fast access to 27+ chains like Ethereum, Bitcoin, Solana, Polygon, Optimism, Arbitrum, Avalanche, Near, Stacks, Flow, Tron, zkSync and more. Elastic APIs, storage (IPFS), powerful tools, analytics, and a 3rd-party marketplace -- all at your command through a simple control panel. Build your next big thing on-chain! Build it with QuickNode.

Alpaca is an API infrastructure and licensed financial services company that allows developers and businesses to offer stock and crypto investing to their end-customers. We work with more than 100 companies across the globe to enable their investing products, and our mission is to provide financial services to everyone on the planet. Alpaca’s globally distributed team consists of developers, traders, and brokerage business specialists and backed by a group of well-capitalized investors including Portage Ventures, Spark Capital, Tribe Capital, Unbound, Social Leverage, Horizons Ventures, Y Combinator as well as highly experienced industry angel investors and founders. We are also very tech-enthusiastic with notable track records in open-source and startup communities.

Founded in 2017, Treasury Prime is an embedded banking software platform connecting enterprise companies to a vast marketplace of banks and product partners to launch next-gen payment ecosystems on their platform. Our banking API offers the quickest, most secure way for fintechs and banks to partner, integrate and build modern financial products and increase revenue streams. We power enterprise-class embedded banking solutions for a range of complex services including money transfer, risk mitigation and integration with bank infrastructure. It's these leading-edge capabilities that helped the company to win Best Banking-as-a-Service Platform from Tearsheet in 2021 and 2022. The company was also named to CB Insights’ annual 2021 Fintech 250 list.

Any business - from travel startups to financial enterprises - can build with Duffel. Shop flights and accommodation, purchase extras, manage bookings and more.

Deepgram is a foundational AI company on a mission to understand human language. We give any developer access to the most advanced speech AI transcription and understanding with just an API call. Our models deliver the fastest, most accurate transcription alongside contextual features like summarization, sentiment analysis, and topic detection. Beyond that, developers can: 🔊 Process live-streaming or pre-recorded audio 🌎 Transcribe in dozens of languages ⚙️ Train custom models for unique use cases 🔑 Access deep NLU with a unified API 💻 Build in any programming language with our SDKs ✅ Deploy on-prem or on DG’s managed cloud 📈 Get scalable GPU infra for training and inference Deepgram is a proud NVIDIA partner and Y Combinator company, and we recently completed a $72M Series B to define the future of AI Speech Understanding, making us the most-funded speech AI company at its stage.

Ribbon Health is a health care data platform that provides the critical infrastructure that health insurers, medical providers, and digital health solutions need to enable accurate provider directories, reliable referral management, and efficient care navigation. We offer a seamless API layer that integrates into each health care organization's existing workflow to build connectivity across the industry and continuously improve the accuracy of its data with its spread and use. Ribbon is the only solution to offer all of these capabilities in one platform, and delivers the most comprehensive data on doctors, insurance plans, and the cost and quality of care culled from thousands of sources. By providing this infrastructure, Ribbon delivers on its mission of making it easy for every health care decision to be high-quality, cost effective, and convenient.

DrChrono develops the essential platform and services for modern medical practices to make care more informed, more interactive, and more personalized. The open platform powers telehealth, electronic health record (EHR), practice management, medical billing, and revenue cycle solutions for physicians and patients, and is fully extensible via a robust API and marketplace of applications and services. The platform is used by thousands of physicians and millions of patients, and is facilitating millions of patient appointments and is processing billions of dollars in medical billing. For more information about DrChrono, visit www.drchrono.com

Roboflow enables developers to make the world programmable. Use our tools to build better datasets (collect image, video / annotate), models (foundation and fine tuned small models), and deployments (self hosted, edge, APIs, SDKs) for computer vision. Over 250k developers, including those from over half the Fortune 100, build with our open source and hosted tools. Build with us: https://app.roboflow.com Hack with us: https://roboflow.slab.com/public/posts/roboflow-hackathons-external-u478m1iz Work with us: roboflow.com/careers

Veryfi is a Data Transformation Platform turning Documents into Data in Seconds with Accuracy & Speed Surpassing Humans. Veryfi gives you a fully integrated suite of data transformation products for you to securely capture, extract and transform bills, receipts and invoices into structured data for use in your app, website or backoffice. To learn more https://www.veryfi.com/ ITS TIME TO BUILD Veryfi's developer friendly toolkits enable superior products that automate Expense Management, AP/Bill Pay, Bookkeeping and provide consumer spend behavior in Market Research Invoices, Bills & POs 10 mins of data entry per invoice? No way! 5 seconds and it's done. Untap a goldmine of data down to line-items. Expense Receipts No more painful data entry for expense reimbursement. Bonus: comply with new data privacy regulations. FMCG/CPG Receipts Data is the new oil. Understand consumer spend across retail from SKUs in seconds. Hotel Folios Supercharge your travel & expense management product with a wealth of data minus the tedious data entry. W-2 Tax Form β Extract every drop of tax data from W2s in seconds. Including handwritten notes, checkboxes and multi-lines. Cards β Capture and extract data Credit Cards, Business Cards and Healthcare Insurance Cards in seconds. More: https://www.veryfi.com/

We are making it possible for digital businesses to easily verify individuals and businesses within seconds across Emerging Markets.

Stacksync powers real-time and bidirectional data synchronization between CRMs (e.g. Salesforce, Hubspot or SAP) and databases (e.g. Postgres, Google BigQuery,...). Edits made in your CRM will instantly update in your Database, and vice-versa. To set up a sync, users simply have to connect the two chosen apps in one click and select the tables they want to sync, no-code! Stacksync reduces implementation delays from months to minutes for CRM integration projects and removes all the complexity behind CRM new feature development. We show a 90% improvement on delivery time and budget.

Sohar Health is a SaaS platform for behavioral health companies. It is an API-based solution that offers 99% accurate eligibility verification, and AI-powered medical coding to automate manual workflows, increase patient intake, and generate more revenue.

We help developers implement human-like voice agents in a day instead of months. Plug in your LLM, a voice agent is born! From AI-powered call agents to voice-enabled coaching apps and lifelike companions, we are your trusted ally in turning these visions into reality. Although Voice AI has been around for some time, it hasn't yet become effective enough for mainstream use, primarily because of poor user experience. Conversational flows often feel awkward with unnatural pauses and interruptions, requests are frequently misunderstood, and voices sound robotic or overly dramatic. On top of that, setting up such a Voice AI system can require upwards of 100 hours of frustrating development. By offering a truly conversational, fast, and empathetic Voice AI that can be easily configured for any industry and integrated into any product, we aim to push the boundary of user-friendliness to a new level, reaching the threshold for mainstream adoption of Voice AI. We are at a pivotal moment in history where Voice AI will become the primary interface for accessing products and services, revolutionizing our interactions with machines for the better. Retell AI is at the forefront of creating this new reality.

Finch is the API to access payroll and HR systems. We allow admins to connect their company in a compliant and secure manner to applications. Finch integrates across providers enabling developers to access a previously closed system and are at the source of truth for employee data and money flow. Our API powers use cases across lending, insurance, benefits, FP&A, and HR applications.

Intuned is an AI enabled cloud platform to author, deploy, and monitor integrations to extract web data and execute browser automation. We enable engineers to build reliable integrations to access data and complete actions on other web services when official APIs are not available or complete.

Onedoc is an API for PDF document workflows. Onedoc enables developers to perform any PDF task like generation, form filling, digital signature and more. Our open-source library helps developers build complex documents that integrate with our API and external services to build document-centric workflows.

GoldenBasis makes modern back-office software for brokerages like Schwab or Fidelity, and we’re starting with asset transfers. Every year, $1.1 trillion in assets are transferred between brokerages using decades-old software. Brokerages hire thousands of people to compensate but still lose revenue from abandoned transfers. We solve this problem by automating back-office workflows with AI.

AI copilots transform the user experience of enterprise SaaS products by enabling customers to specify their intent using a chat interface. This enables companies to simplify their complex UI workflows (and enable new workflows) by having a copilot directly access the products APIs and multi-modal data, bypassing the limitations of the current product UI. Spine AI helps companies build and maintain, reliable and effective AI copilots for their products.

Gigs is the world’s first telecom-as-a-service platform. By enabling any company to launch its own wireless service in a matter of days, Gigs helps its customers differentiate their product offering, increase customer stickiness and unlock new revenue streams through embedded connectivity. As the only end-to-end connectivity provider, Gigs offers a broad set of products and services, including premium wholesale, a hosted checkout, subscription management, payments, analytics, AI, and more. The company is backed by Google, Y Combinator, and prominent business angels and investors like Dara Khosrowshahi (CEO of Uber), Tony Xu (Co-founder & CEO of DoorDash), and Fidji Simo (CEO of Instacart). The company was founded by Hermann Frank and Dennis Bauer in 2020 and currently employs over 60 people in the US and Europe. For more information, please visit: gigs.com.

Tailor is a backend platform that helps enterprises build their custom, enterprise grade ERP applications with less code. **Team** Yo and Misato have previously built a retail-tech company together and sold it for $20M to Rakuten. Yo is a three-time-acquired serial entrepreneur with a McKinsey background. Misato is a previous head of R&D at Mercari. Tailor is the first YC company fully based in Japan. **The Problem** In today's business world, old ERP systems just don't keep up. Their monolithic architecture makes it difficult for developers to tailor to the specific needs, even though that's what the enterprises want for ERP. At the same time, legacy ERPs struggle to work well with the variety of cloud-based tools that modern businesses rely on. Legacy, monolithic systems make it very difficult to customize and hard to integrate. Every time the company wants to change something, it becomes a huge project. Building on these challenges, users of old ERP systems often face: * Hard-to-Use Interfaces: The screens and menus are old school... confusing, slowing down your work. * Wrong Set of Features: Too many unnecessary options for you and not enough of what you actually need. * Lack of Transparency: It's tough to understand what's happening behind the scenes. * High Cost: The expense of maintaining these systems eats into your budget. **The Solution** Why Headless? - With our headless product, the frontend is easy to customize for clients - API-first approach makes it easy to connect with other existing systems or 3rd party services What does it mean to our clients? - Faster development - Reduced maintenance cost - Well-documented backend APIs Tailor’s key capabilities: - GraphQL endpoint for flexible frontend development - Customizable data model templates to describe complex business logic of large enterprises - Customizable workflows depending on the client's specific business process - Directory service that can reflect complex organizational structure (e.g. matrix organization) to the workflow

Terminal is Plaid for telematics data in commercial trucking. Companies building next generation insurance products, financial services and fleet software for trucking use our Universal API to access GPS data, speeding data and vehicle stats. Raghav (CEO) and Connor (CTO) led product and engineering at a series b-funded neobank where they spent 2.5 years integrating middleware APIs like Plaid & Stripe. Before that, Connor spent 3 years building software for his family-owned logistics company which was acquired by a private equity firm. Raghav’s family is in fleet operations and owns an HVAC company in San Francisco where they operate a fleet of 13 commercial vehicles.

Skyvern helps companies automate browser based workflows using LLMs and Computer Vision, fully automating manual workflows and replacing brittle or unreliable scripts. Examples include: 1. Automating materials procurement from commerce websites 2. Completing complex multi-step workflows (ie getting an insurance quote from Geico.com) 3. Automatically logging into portals and downloading invoices 4. Navigating legacy content systems to do data extraction or data entry

APIs underpin the internet but are still painful to work with. They are often untyped, unstandardized, and out-of-sync across multiple sources of truth. Fern enables businesses to offer “Stripe-level” SDKs (client libraries) and Docs for their REST API. Inspired by internal tooling we saw at AWS and Palantir, we’re building Fern to let every engineering team offer easy-to-use and well-documented APIs. Founded in 2022, we’re less than 10 people, building open source, and backed by YCombinator. We work together in our office in the Williamsburg neighborhood of Brooklyn, NY. Our customers include Cohere, ElevenLabs, Webflow, and Merge.dev.

Credal protects your sensitive data across all AI apps. We ensure everyone at your company can get the benefits of AI like ChatGPT, without risking business secrets or protected data like PII making it into AI training. Think "Okta for AI". Credal gives you four layers of security: 1. Automatic redaction, anonymisation, or user warnings when sensitive data is about to be sent off network 2. Our Secure Chat UI and APIs provide audit logs on every interaction with external AI, allowing you to see what data has been shared with which providers and what Terms of Service or MSA's govern each one. 3. We provide a wrapper around all the major providers of Large Language Models, so we can automatically direct your requests to the most appropriate AI for your particular request (based on data sensitivity, context window, cost, etc.) 4. We get sensible MSA's in place with all major external providers, so your data cannot be retained for more than 30 days or used to train models.

Cosmic is a headless CMS and API toolkit to help teams build modern apps faster, together. We provide a web dashboard to create content and API tools to deliver content into any website or app. Teams benefit from using Cosmic because it eliminates the need to build and maintain their own CMS infrastructure. Teams pay a monthly subscription fee for our hosted CMS and can focus on their application logic, creating great content, and enhancing user experiences.

Generative AI applications are notoriously hard to scale to production: 90% of all Generative AI pilots never make it to production. Here’s what you can do with Reprompt: 1. Trace your responses to users across chat, RAG and function calling 2. Automatically track and hallucinations, risky inputs, and compliance issues 3. Write custom prompt overrides to handle the edge cases without changing your main prompt or pushing code

From operational automations to embeddable custom connectors. Save 10x of cost and time by building custom connectors and workflow automations in hours.

SnapTrade is an API to connect retail brokerage accounts to any fintech app. We enable API access to real-time account data, historical transactions, and trading. This makes it possible to build new investing experiences with existing brokerage accounts, so users don't need to transfer and it's easier to get started.

Apoxy is the proxy platform for improving the security, observability, and usability of APIs and services at scale. Our programmable proxy allows developers to write code that handles the operational concerns of their applications rather than piles of configuration. We've built an ingress and egress traffic controller with a tool belt of extensions that solve common problems like monitoring, authentication, load balancing, data compatibility, and much more.

Customers expect your SaaS to integrate with their ever-growing stack natively. Ship any product integration fast with Nango. Leverage pre-built integrations and limitless customization.

Effortlessly display modern web-content everywhere. Think of Java, but for web-content and JavaScript. Available for desktop apps, game consoles, embedded device displays, servers, and more.

Mercoa let’s B2B platforms offer BillPay and Accounts Payable services to their customers. Use our drop-in iframe, React Components, or API to offer your users one place to manage and pay all of their invoices.

Roundtable provides an industry-leading and developer-friendly API to combat survey fraud and bot detection.

Integrate live video calls with Dyte Video SDK with less than 10 lines of code.

# Our Mission 🎯 At Shuttle, we’re on a mission to revolutionise developer experience for building web apps. Everything we do is about crafting an exceptionally simple, satisfying and effective way to do cloud development. We are open source community-driven and loved by thousands of engineers. Our vision: the ultimate platform to supercharge developers’ productivity. # About Shuttle 🚀 We are building the fastest backend development experience. [Shuttle](https://shuttle.rs/) is an open source cloud platform for developing and deploying apps with zero infra hassle. At [Shuttle](https://www.shuttle.rs/), we're on a mission to redefine the developer experience for building cloud applications. We want to empower the next generation of builders to make use of the latest and greatest cloud technologies, by crafting the simplest, fastest, and most enjoyable development experience. Shuttle is open source and our [Infrastructure from Code](https://www.shuttle.rs/blog/2022/05/09/ifc) framework paired with our cloud platform eliminates the infra hassle and accelerates app development and deployment. This is a game-changer for developer productivity - think Vercel for the backend. We have thousands of developers in our community incl. engineers from some of the top companies and have just launched Shuttle beta. We’re backed by some of the best investors in the world, including Y Combinator, HorizonVC, Abstraction Capital, Global Founders Capital, Founders of Segment, Sendbird, Head of Product at DataDog and other successful founders and executives. # Working With Us 😎 We’re a growth mindset company. We’re honest, open-minded, driven, and ambitious and we are only looking for people who share these qualities with us. We care. About each other and about our mission. We are building a culture that brings out the best in people and we truly believe that the company you work at should be the launch pad for unleashing your full potential. We keep a light and fun work environment, without unnecessary stress or anxiety. Yet we hold ourselves to very high standards and keep pushing the bar up. Continuous improvement is a must if you don’t want to be left behind. Mistakes are OK, not being willing to learn from them is not OK. Collaboration is at the core of what we do and we treat each other with respect and kindness - supportive, yet firm and ready to provide accountability where needed. We’re early stage so expect many opportunities to shape the company’s future. The best ideas win. We maintain a hacker mentality - no problem is unsolvable with the right mindset. As a team, we work on hard challenges under tight constraints and are constantly pushed out of our comfort zones - if reading this excites you, let’s talk. # Perks 🎁 - Remote-friendly, flexible working hours and workdays - Flexible holidays and paid time off - Mental and physical health stipend - Educational and self-development budget - Support for attending and presenting at relevant conferences - Health insurance - Awesome work-from-home setup & equipment - Regular company off-sites - Regular remote-friendly socials (games and more)

Almost every company that has to integrate with the legacy financial institutions, faces several challenges when it comes to the product cycle. Not only are the APIs and documentations less available, but they are also old school and ridden with errors and loopholes. On top of that, the lack of a single point of contact from the underlying institutions, makes the already long integration cycle of 5 months feel like a temple run between different departments. And since those services break and update over time, you can imagine the nightmare in terms of coordination between the tech teams. We are a full-stack platform where you can come, select your desired modules, play in the sandbox, and launch your product with the APIs and SDKs within a couple of weeks! Not only that, but we also take care of all upcoming fixes, iterations, and updates without breaking any flow. It's that easy, as it should be. Welcome to the future.

Plivo is a cloud based API platform that enables businesses to easily build and integrate voice and SMS capabilities into their applications and workflows. Plivo provides connectivity across 190+ countries and has direct relationships with over 1600 carrier networks globally. Whether you're looking to add voice and SMS capabilities to your website, mobile app, or business workflow, Plivo has the tools and resources you need to get started.

Find and fix business logic vulnerabilities in your applications in CI/CD before production — powered by Escape’s industry-leading API security intelligence.

Seam lets developers connect and control 3rd-party connected devices like door locks, thermostats, and more.

Play is a Voice AI company that specializes in building conversational voice models capable of cloning any voice or accent and generating speech in real-time.

FlowEQ is the trusted provider of workflow automation for teams that need to accelerate their work, especially complex processes and high-volume workflows that require human judgment. The FlowEQ Workflow Acceleration Platform includes interactive decision trees that are used by customer support, operations and product teams across all industries to improve accuracy and speed up important recurring work. Using FlowEQ customers get through high-stake recurring workflows 10x faster, saving their companies time and money every day. For additional information, visit www.floweq.com.

Tenyks (YC'S21) is a University of Cambridge spin-out inventing the intelligence that powers the AI revolution to protect the world from the Terminator. Imagine Snowflake for Vision, helping ML Engineers build better, safer models, in a faster and more efficient way. Specifically, our end-to-end platform is CV Engineers' Ultimate Productivity Tool to: 1. Automate Data Quality Detection: It streamlines the process of identifying and rectifying data quality issues, ensuring the integrity of your datasets. 2. Accelerate Data Curation: Our platform expedites the curation of similar images and objects, facilitating data collection and balancing. 3. Catalog Vast Datasets: With its flexibility, the platform allows you to efficiently index and catalogue extensive datasets. 4. Seamless CI/CD Integration: Tenyks effortlessly integrates with your CI/CD pipelines, reducing the risk of regressions and enhancing your development workflow. 5. Security & Scalability: Securely orchestrated in the cloud to foster seamless cross-team collaboration and scale to millions of images & hundred of millions of objects. The founders developed the technology (the result of 9 top-tier publications and a patented invention) during their PhD research in Safe & Explainable AI for Computer Vision.

We're making it easy, cheap and fun for startups to build on SMS again. Sendo is the most developer-friendly SMS API, with great documentation, a fast dashboard, helpful monitoring features, easier 10DLC compliance and much more. Save 40%+ compared to Twilio and other options, and get started sending messages in 1-2 days instead of waiting weeks for your 10DLC campaigns to get approved.

1build tracks 68 million live construction materials, labor, and equipment costs for every county in the United States. Instantly accessible via our modern API.

Our mission is to make the web more collaborative. We're not just making collaboration faster—we're crafting it to be the best. Today we’re all using online platforms more than ever before - building, researching, learning, connecting etc. And we're not doing it alone. We're doing it together with other people and machines, turning the internet into the world's biggest team. Yet, the web was built for solo voyages. We saw a shift when platforms like Figma and Google Docs brought a multiplayer approach, breaking down walls and inspiring seamless teamwork. At Velt, we're taking it further. We're on a mission to infuse the magic of collaboration into the fabric of the web—one app at a time. We aim to erase the lines between online and offline co-working, crafting an environment where distance is irrelevant, and 'flow' is the norm. Right now, more than half of work hours are spent on coordination and communication—less on creating. With Velt, we're setting out to reverse these figures, reducing time spent on logistical issues by over 90%. Imagine what we can create when we spend less time talking about work and more time doing it! We're building a better web—a web for us, for our team, for everyone. Join us, and let's accelerate the future of web together 🚀 Our Products: - Velt Collaboration SDK (https://velt.dev/): JS SDK to add powerful collaboration experiences to your own product for your end-users. This helps you ship such experiences ridiculously fast, increase user growth and engagement. - Superflow (https://usesuperflow.com/): JS plugin to enable product, marketing and design teams to comment and collaborate directly on their websites. This helps them iterate and ship their products 10x faster. We’re a team of ex-Googlers. We've launched products like Augmented Reality in Google Search & Maps. Come build a better web with us 🚀

Recall is the universal API for meeting bots. We offer a unified API to capture data from meeting platforms like Zoom, Microsoft Teams, and Google Meet. Over 100 companies rely on our API today to process millions of hours of meeting data. We provide stable infrastructure that typically takes engineering teams 6+ months of time to build, and help our customers get up and running in days instead of months.

Unify is the central platform for optimized LLM deployment. With a single API key and unified prompting syntax, Unify lets you call and benchmark all third-party LLM endpoint providers; find the endpoints that match your speed, latency and cost requirements; and automatically route any prompt to the best LLM using a global mixture-of-experts that's better, faster and cheaper than any individual model. Start routing now at unify.ai ✨

Alpha Vantage provides enterprise-grade financial market data through a set of powerful and developer-friendly data APIs and spreadsheets. Whether you need traditional asset classes (e.g., stocks, ETFs, commodities), economic metrics, foreign exchange rates, cryptocurrencies, fundamental data or even technical indicators, Alpha Vantage is your one-stop shop for global market data delivered through REST APIs.

Photoroom provides photo editing software powerful enough to create outstanding images yet simple enough to be used without any training. We leverage deep learning to translate pixels into objects, drastically simplifying non-creative tasks such as removing backgrounds from images. Our mission: enable entrepreneurs and small businesses to compose images that stand out.

PoplarML lets you deploy any machine learning model to a fleet of GPUs as a ready-to-use and scalable API endpoint with one command.

Trigo aggregates consumer rent history to help landlords approve better tenants and lenders write more loans. No solution exists to consistently furnish this data to landlords and lenders today. The largest database has only 3% coverage of rent data. Trigo is a Consumer Reporting Agency (CRA) that provides this missing rent data set through a real-time API and web application. We are repeat founders with consumer data and finance experience across Harvard, Citigroup, Experian, and Amazon.

Frigade helps growth teams better activate and up-sell customers in-product. We combine React UI components such as <Tour />, <Checklist />, and <Announcement /> with a web app to easily power user targeting, content, orchestration, and more.

React Library, API, and Management Toolkit, purpose built for customer-facing dashboards.

Alloy is an integration platform used by Amazon, Gorgias, Postscript, & others to launch ERP, commerce, CRM, and various other integrations. Founded in 2019, the company is backed by $27M from a16z, Bain Capital Ventures, Y Combinator, and others.

Vital is an API for at-home health data that makes it easy for health tech companies to collect data from 100's of wearable devices and deliver at-home test kits to their users. Healthtech companies need lab data as well as wearable data, and we give them access to both through a single line of code.

Propexo lets engineers build, test, and launch CRE software integrations in days, not months. We modernize the developer experience for our customers, providing clear documentation and robust infrastructure to support the needs of property owners, property managers, & proptechs.

EzDubs dubs videos and livestreams into different languages in real-time, all while preserving the voice of the original speaker. By enabling communication and broadcasting across multiple geographies, EzDubs boosts viewership and engagement, enables cross-border knowledge sharing in real-time, and breaks down language barriers across the internet. Visit www.ezdubs.ai to try out our Chrome extension and our Twitter bot for dubbing YouTube and Twitter videos with a single click, or reach out to us to integrate EzDubs' APIs with your website / livestreaming stack.

We create up-to-date API collections, identify dependencies, breaking changes and API behavior without manual effort.

Intercept and Modify HTTP Requests. Redirect URLs, Modify Headers and override API responses. Alternative to Charles Proxy, Fiddler, Tweak & ModHeader. 200,000+ developers from 10,000+ companies are using Requestly. 70% of the Fortune 500 companies have used Requestly at least once.

The first version of RecipeUI was a viral project at Robinhood that reached 100% adoption from all engineering and QA teams. When an API broke, anyone from Frontend to QA to PMs could debug without relying on backend engineers

We are helping CX teams reduce ticket volumes by 50-70%, by training AI Agents from the best human agents. We seamlessly connect to their CRM, help center and backoffice to train human-level agents.

Boundary is composed of three main components: 1. BAML - a simple programming language to get structured outputs from LLMs. 2. BAML Playground - The first-ever VSCode playground for LLMs, that helps developers test and iterate on their AI functions. 3. Boundary Studio - An analytics dashboard to trace, label, and measure performance. Boundary's mission is to make AI app development seamless, and supports the entire development journey, from initial prompt iteration to measuring performance post-deployment.

Fastgen is a low-code API and workflow builder with an integrated Postgres DB. Our drag-and-drop platform allows you to rapidly develop custom APIs and workflows with ease. Our integrated Postgres DB makes it even easier to create, read, update, and delete data in your applications.

WalletKit is a developer platform that abstracts away the complexities of blockchain tech and provides simple HTTP APIs. It is best suited for building user-friendly consumer apps focused on mass adoption. WalletKit gives you the tools and APIs to build with the most popular building blocks in blockchain: wallets, tokens, and NFTs. These flexible building blocks can be put together to create meaningful user experiences, whether it's for rewards and loyalty, gaming, payments, or anything else you can imagine. If you are building decentralized consumer products, come talk to us!

Svix is the enterprise ready and open source webhooks service. Webhooks are a pain. Developers need to worry about deliverability, retries, monitoring and security. All of which are different for webhooks compared to the rest of the stack. We turn all of that into a simple API call. We are backed by Y Combinator, Andreessen Horowitz (a16z), Aleph, and founders and CTOs of companies such as Github, PagerDuty, Segment and Lookout.

Customers integrate Reclaim Protocol to get information about their users - like their identity, credentials and reputation from various websites across the internet. When integrated, the users can tap a button to connect their data from any website - even ones that don't have an API. For example, users can connect data from Uber like the number number of rides they've taken even though Uber doesn't have an API. We support connecting over 200 websites including Uber, Tinder, Streak, IRS, Aadhaar, Amazon. If the website you want to connect doesn't exist, we have a simple tool to add support. Reach out to us if you'd want to integrate :)

We build data infrastructure (APIs, financial automation) for construction, an unsexy-but-huge ($12T) industry. We help construction software companies integrate with the fragmented and old software that runs construction globally using our API. We help construction companies automate manual work in a no-code interface powered by our own API.

DryMerge lets people automate work with plain English. Say you want to manage inbound leads. Instead of dragging blocks or writing code, just tell DryMerge "Whenever I get an email from a potential customer, add their details to a google sheet and draft a reachout message" and watch it happen in seconds. Counterintuitively, 88% of no-code users are actually programmers. We're changing that by making automation as fast and intuitive as conversation. This opens up the market to all knowledge workers, not just technical ones, and expands it by an order of magnitude.

Large contracts with large companies usually require software companies to offer SAML SSO. Implementing SAML SSO yourself is pretty hard and not a good use of your time. We make it really easy to implement SAML SSO in your product.

Resend is the new email API for developers. It's designed for you to build, test, and send transactional emails at scale. If you're using Sendgrid, AWS SES, or Postmark, come talk to us.

SuperAPI is a programmable API gateway that makes all your fetch APIs cacheable, reducing the response time 10x. Our customers use SuperAPI to cache their critical APIs without spending 6-9 months rewriting their code.

Enode’s APIs enable you to instantly connect users’ energy devices — including EVs, solar inverters, home batteries and thermostats — to your app.

HUBUC P1 is a lightning-fast global card issuing and processing engine. We call this incredible machine P1 because it's fast, lean, and innovative. We believe it's the best, and you should take it for a test drive here: https://www.hubuc.com/

SpecCheck is an all-in-one solution that provides accurate prescription eyewear ordering and tracking, seamless billing, and streamlined communication between patients, eye doctors, and their lab partners. SpecCheck’s users work more efficiently and make fewer costly errors, increasing productivity and improving their overall workflow.

Verdn is a climate-impact API for companies and their end-customers. With Verdn, companies direct a portion of sales towards ecosystem restoration projects (like tree planting, ocean-plastic cleanup, and coral planting), carried out by vetted NGO partners. After each sale, we send the end-customer a tracking dashboard where they can engage with updates about their positive impact. Our mission is to Ctrl+Z global ecosystem collapse by making sustainability profitable. We have planted 1,500,000 trees, recovered 400,000 kg of ocean-bound plastic and 150 m2 of coral reef, and have over 100+ paying customers that are seeing a 10x boost in engagement.

At Serif Health, we are taking the complexity out of the cost of healthcare. Our mission is to make healthcare pricing and contracting more transparent, easier to understand, fairer, and ultimately more affordable for all. New price transparency regulations have made a wealth of healthcare pricing and reimbursement data publicly available for the first time, but it is still extremely hard to ingest, organize, and actually use this data to understand the cost of care. That’s where we come in. Serif Health is building healthcare price intelligence data products and APIs to power the future of more transparent healthcare. We are an early-stage, venture-backed startup with a small, collaborative team of healthcare experts, engineers, and designers. We are excited to add new team members motivated by our mission, passionate about making a difference in healthcare, and looking forward to learning and growing from the challenges we will face along the way!

Trebol saves business' banks and lenders from parsing thousands of documents. With an API and tools for developers and legal ops teams Trébol helps onboard businesses in minutes instead of weeks.

- Create an Inventory of all your API Endpoints. - Proactively test your APIs before they go into production. - Detect API attacks in real time.

Precip uses AI to make hyperlocal weather observations. We’re started with the most important dimension of weather: rain. For example, one of our customers uses Precip daily to make sure their heavy trucks won’t get stuck in muddy fields.

Pluggy is a B2B Fintech that allows any developer to connect to the data from their users' bank and broker accounts, essentially Plaid for Brazil. We are 100% focused in Brazil. One of the largest markets in the world. Its complexity, risks and challenges require its own solution. Local focus and our deep experience in banking tech engineering allowed Pluggy to create a product that is considered by our customers as the only one to provide reliable data at the right time to market. We currently cover 90% of the bank accounts in Brazil a market of more than 7 billion USD. We are Pluggy!

Nuanced detects AI fraud, deepfakes, and misinformation. We have created the most accurate AI-generated image detection technology that exists today. We train our proprietary models continuously to keep up with new generative AI technologies as they emerge.

Palenca is Payroll API for LatAm. We make it possible for any worker to share their employment records and for businesses to uses those records. Like Plaid, but for Payroll. Unicorns like Kavak and Lalamove use us to run background checks and provide financial services.

Powerful web3 analytics tools to help you convert, engage, and retain more users. Multibase makes it easy to analyze web3 users.

Warrant is an open source authorization service that helps developers implement and enforce access control in their applications. Warrant serves as a dedicated, centralized platform for handling user authorization and access control so engineering teams can focus on building their core products.

nCompass is a platform for acceleration and hosting of open-source and custom AI models. We provide low-latency AI deployment without rate-limiting you. All with just one line of code.

Coast is the operating system for API sales. Coast integrates with a company’s API to set up live web apps for every customer and their use case, creating API demos to be used throughout the sales cycle. Leading API-first companies across verticals utilize Coast demos to enable their customer facing teams to easily show the value of their software to prospects.

Dots is a developer-friendly API that lets businesses pay their contractors through just a few lines of code. Whether its gig workers like Uber drivers, sellers on marketplaces like Etsy, or simply your local handyman - Dots’ abstracts away the complexity of payouts completely. We manage the entire process: information collection (KYC), payments through any rail (ACH, Venmo, CashApp, Zelle, international, and many more to come), and even filing tax forms! Dots lets developers get payouts up and running over just a few hours, rather than the many months this would normally take.

Infer.so automates voice conversations and carries out actions like any sales or customer support agent. It can be integrated with your dailer and CRM, to query information automatically and answer questions about your product or resolve a customer query in realtime. It can further carry out actions to send emails, sms or help customers with payment. Infer’s voice agents are personalised i.e. it has infinite memory so if a customer calls back for a follow up, it can continue the conversation from the point of drop off increasing efficiency and improving customer satisfaction.

Bytebot simplifies and streamlines web tasks by translating natural language prompts into browser automation, including clicks, form filling, and data extraction. The platform and SDK enables users to develop robust, dynamic web automation scripts that adapt alongside changing web environments. Effortless to use and easy to integrate, Bytebot helps users boost their workflow efficiency and drive growth, all without the complexity.

The only platform you need to launch and optimize your LLM application. We built a unified interface for any model with built-in infrastructure, so you can focus on building a product people love. Integration is dead simple - everything comes with 2 lines of code: - Playground and prompt management for testing models and improving prompts - Beautiful pre-built dashboards to monitor every LLM metric and user log - Production performance monitoring with auto-evaluations ... and a lot more! Reach out to team@keywordsai.co if you have any questions. Excited to see what you'll build with us!

we're building a foundational model to create, modify, and understand humans in video. we're starting by learning specific behaviors and building specialized generative computer vision models. the first api we released is a zero-shot state-of-the-art lipsync model our customers use it to animate anyone in any video to say (or sing) anything you want in any language.

At Guide labs, we build interpretable foundation models that can reliably explain their reasoning, and are easy to align. We provide access to these models via an API. Over the past 6 years, our team has built and deployed interpretable models at Meta, and Google. Our models provide explanations that: 1) provide human-understandable explanations, for each output token, 2) which parts of the input (prompt) is most important for each part of the generated output, and 3) which inputs, in the training data, directly led to the model's generated output. Because our models can explain their outputs, they are easier to debug, steer, and align.