API Startups

Parse provides an API platform that converts web actions and data retrieval from any website into single API calls without running a browser. The service targets developers and AI agents, offering pre-built APIs, the ability to create custom APIs from URLs in minutes, and automatic monitoring and repair when source sites change.

3 investors

PlayAI builds voice AI models that can replicate any voice or accent and produce speech in real-time for conversational applications.

3 investors

Propexo builds data infrastructure for multifamily real estate, connecting property management systems and proptech tools through a centralized data warehouse and unified API. The platform serves real estate operators and developers who need to consolidate and access fragmented property data across multiple systems.

3 investors

Requestly is a Git-native API client for teams to design, build, and test APIs in a single local-first application. It serves software developers at Fortune 500 companies and offers features like REST and GraphQL support, environment management, and collaboration tools with enterprise-grade security.

3 investors

SpecCheck provides software for opticians, optical labs, and their enterprise partners to manage order communication and lab operations. The platform replaces manual processes like faxed reports and phone calls with a digital workflow.

3 investors

Standard Treasury built developer platforms—both white-labeled and co-branded—that banks could deploy to help their customers automate treasury management and accounting workflows. The company served financial institutions looking to reduce customer service costs, lower churn, and grow transaction volumes.

3 investors

Typeless makes an AI voice dictation app that converts spoken words into polished text for messaging, writing, and working with AI tools. The company describes itself as a "voice OS" business focused on voice-first interaction as an alternative to keyboard typing.

3 investors

Versori provides data integration software for enterprises to build custom integrations between complex systems. The platform is designed to replace time-consuming custom development and rigid pre-built connectors with an intelligent, cost-effective solution.

3 investors

Weav provides an API that enables small businesses to integrate with financial institutions and commerce platforms.

3 investors

Alpha Vantage provides realtime and historical financial market data APIs covering stocks, ETFs, forex, commodities, and economic indicators for investors, researchers, and developers.

2 investors

Anakin provides an API that extracts structured data from websites for AI agents and data teams, adapting automatically when site layouts change and operating across thousands of sites globally at reduced cost compared to browser-based approaches.

2 investors

Andi AI is an AI-powered search engine that uses proprietary indexing technology to deliver search results with fact-verified answers. It serves individual users and developers through both consumer search and API products, competing in the AI search market.

2 investors

Archal provides isolated, time-bounded sandboxes containing stateful simulated environments that expose familiar REST and MCP endpoints, letting changes persist through a test run and then reset to a declared baseline. It is aimed at agent developers, connectors teams, and integration engineers who need to test agent workflows repeatedly without shared test accounts, rate limits, or dirty state.</parameter> <parameter name="founders">[]

2 investors

Cosmic provides a content management system with web dashboard and API tools that enable teams to build and deploy applications faster. It serves development teams and digital businesses seeking to accelerate content velocity and application delivery.

2 investors

Dyte builds real-time video communication APIs that enable video calling and collaboration features for applications and platforms. The company serves developers and enterprises building communication-dependent applications across web and mobile.

2 investors

FileForge is Momentum CE's end-to-end document digitization service that scans paper records on-site, applies OCR processing, and delivers organized digital files ready for enterprise use. The service serves organizations with large paper archives including healthcare providers, government agencies, and legal firms who need searchable, compliant digital records.

2 investors

Framebase provides an API that abstracts away video infrastructure complexities, allowing developers to integrate video handling into applications through simple code without managing transcoding, compatibility, or content delivery networks directly.

2 investors

Habitrobotics develops conversational robots for deployment across the United States. The company is currently in private beta with general availability coming soon.

2 investors

Hyperbeam provides a remote desktop and mobile embedding platform that allows developers to embed any third-party website or application directly into web apps with synchronized audio and video for multiple participants. The service enables real-time collaboration with multi-user control capabilities, supporting up to 10,000 active participants through a REST API and NPM package.

2 investors

Integuru generates production-ready APIs for websites and web systems by analyzing network requests and reverse-engineering underlying APIs, eliminating the need for browser automation or RPA. The platform serves developers and teams building integrations across SaaS, healthcare, banking, logistics, and enterprise software.

2 investors

Intuned builds a platform for automating browser and network interactions with services that lack APIs, enabling integrations, back-office automation, data migration, and AI-powered workflows at scale. The platform manages authentication, handles anti-detection, and provides infrastructure for developers to deploy automations as production APIs.

2 investors

Karate Labs provides an open-source testing framework that simplifies API and integration testing by parsing human-readable commands into HTTP calls and JSON assertions. The framework serves software engineering teams and is maintained as both free open-source software and a commercial offering with productivity and enterprise features.

2 investors

Laminate provides physical card design, manufacturing, and fulfillment services for debit and credit card issuers, integrating with existing card issuing infrastructure.

2 investors

Mercoa provides B2B payment solutions, specifically AI-powered billing and invoicing tools, for SaaS platforms to embed into their product for their end customers. The platform offers both backend and frontend SDKs to help vertical SaaS companies launch branded payment experiences and unlock new revenue streams from payments monetization.

2 investors