API Startups

Quill provides a suite of tools for building customer-facing dashboards, including a React library, API, and management platform.

2 investors

Rickshaw provides local delivery services for businesses, handling courier dispatch and route planning while businesses submit delivery requests via web form, REST API, or spreadsheet integration. It manages delivery coordination and uses background-checked couriers to represent the client's brand.

2 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.

2 investors

Superglue provides AI agents that automate enterprise system integration, data migration, and implementation work across cloud or on-premises infrastructure. The platform connects disparate systems and performs data synchronization tasks that typically require manual engineering coordination.

2 investors

Trieve provides backend infrastructure for implementing search, retrieval augmented generation, and recommendation systems, offering pre-built tools for ranking tuning, model customization, and hybrid semantic-keyword search.

2 investors

Trigo aggregates rental payment data to help underwriters assess creditworthiness and enables renters to build credit profiles using housing payment history. The company targets the under-banked and those with thin credit files, addressing a gap in credit data access for millions of Americans.

2 investors

Wingback provides a platform for B2B SaaS companies to manage monetization, pricing, packaging, and invoicing. The company targets SaaS founders and leaders seeking consolidated tools for growth and revenue operations.

2 investors

Abundant creates simulation environments and datasets for reinforcement learning, serving AI researchers and enterprises training autonomous systems. The company generates synthetic training data and simulated agent interactions to address data scarcity in AI model development.

1 investor

Alterya provides fraud detection software for financial institutions, fintech companies, and cryptocurrency platforms to identify and block scams that target their customers.

1 investor

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.

1 investor

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.

1 investor

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">[]

1 investor

Basilica provides developer-focused infrastructure tools for provisioning and managing compute resources through command-line interfaces.

1 investor

Blue Door provides access to historical San Francisco court records, including litigant, attorney, and judge information dating back to the 1970s, for AI-powered document analysis and research.

1 investor

Buró de Ingresos is a verified income and employment data platform for financial institutions in Mexico, providing API access to real-time income verification for consumers and businesses. It serves credit-originating institutions offering consumer loans, credit cards, auto financing, BNPL, and fintech lending.

1 investor

Captain builds infrastructure that makes unstructured enterprise data searchable and accessible through an Agent Swarm approach, serving large organizations that need to query and explore data at scale.

1 investor

Carbon is an algorithmic stablecoin pegged to the US Dollar, built on the Hedera Hashgraph network. It enables borderless value transfer and supports smart contracts for programmable transactions.

1 investor

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.

1 investor

Dots is an end-to-end payouts platform that enables companies to pay and track payments globally across 190+ countries through 300+ payment rails, including bank transfers, mobile money, and digital wallets. The platform provides API-first integration with compliance features such as identity verification, sanctions screening, and automated tax form collection and filing.

1 investor

Downlink provides an API platform that optimizes large language model performance by increasing throughput, reducing latency, and improving accuracy.

1 investor

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.

1 investor

Fastgen provides a drag-and-drop platform for building custom APIs and data workflows, with an integrated PostgreSQL database that handles data operations for applications.

1 investor

Flotype develops middleware and frameworks for building real-time web applications, serving enterprises across financial, social, and logistics sectors as well as developers using Node.js and JavaScript.

1 investor

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.

1 investor