API Startups

AgentMail provides an email inbox API that enables AI agents to create and manage their own email accounts. The platform serves developers building AI agents that need email communication capabilities.

4 investors

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

4 investors

Bridgecard provides APIs and infrastructure that enable fintech companies to issue Mastercard and Visa cards, both virtual and physical, with support for deployments across Africa and globally. The platform serves African-based startups seeking rapid card issuance capabilities with technical stability and customer support.

4 investors

Dojah provides end-to-end customer onboarding and identity verification services for businesses operating in Africa. The platform enables companies to verify and securely onboard customers across borders while maintaining compliance with regulations.

4 investors

Duffel provides an API and toolkit that lets businesses—from travel startups to financial enterprises—sell travel, including shopping for flights and accommodation, purchasing extras, and managing bookings. It operates in the travel technology sector.

4 investors

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.

4 investors

Luca IQ is a tax preparation platform for accounting firms and CPAs that handles the workflow from client intake and document collection through preparation, review, e-signature, delivery, and IRS e-filing. It structures source documents and provides an audit trail so every field traces back to its source, offered via a single API.

4 investors

Mailgun is a developer-focused email delivery platform that lets companies send, receive, and track transactional and marketing emails through an API. It serves developers and businesses needing email deliverability infrastructure.

4 investors

Moltin is an API-first digital commerce platform that provides commerce building blocks—flexible APIs, developer toolkits, pre-built applications, and cloud infrastructure—for retailers to build shopping experiences across websites, apps, and other channels. It serves retailers and developers in the ecommerce industry.

4 investors

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.

4 investors

Payload is an open-source Next.js backend platform serving developers and marketers who need flexibility beyond traditional content management systems. The platform provides infrastructure for building custom content and data management solutions without vendor lock-in.

4 investors

Precip provides hyper-local rainfall measurement and forecasting using AI, delivering up-to-the-hour precipitation data at 1km resolution without requiring physical weather stations. The service targets industries and organizations that need accurate rainfall data for operational decision-making and scheduling.

4 investors

Quantstruct automates software documentation creation and maintenance by integrating with development tools, codebase events, and support channels to generate and update technical documentation. It serves software development teams and organizations that need to keep their documentation current across multiple tools and workflows.

4 investors

Scape is a desktop email client that organizes inboxes for Gmail and Outlook users, using AI to prioritize important messages, draft replies, and track follow-ups from emails and meetings.

4 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.

4 investors

Terminal provides telematics data infrastructure that connects commercial fleet products to 316 telematics providers, eliminating the need for individual integrations. The platform serves fleet management, insurance, fuel cards, and transportation management companies that need reliable vehicle data at scale.

4 investors

Theneo is an all-in-one developer portal platform for creating and managing API documentation, guides, and private customer portals with real-time collaboration features. The platform serves engineers, technical writers, and product managers across startups and enterprises, with built-in AI documentation generation and support for customer-specific branded portals.

4 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.

4 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.

4 investors

BlindPay provides a payment infrastructure platform that orchestrates stablecoins, local payment rails, virtual accounts, and compliance for global financial transactions. The company serves developers and companies building payment functionality, offering SDK-based fiat gateway integration with low fees and minimal on/off-ramp delays.

3 investors

Cumbuca operates a Layer 7 API proxy that provides regulated access to Brazil's Open Finance and Pix ecosystem without requiring intermediaries or a separate payment institution license. It offers direct integration with Banco Central's open banking APIs for payments, account data, and credit information.

3 investors

EzDubs provides mobile apps that translate speech in real-time during phone calls and voice messages, using voice cloning and emotional tone preservation to maintain speaker identity across languages.

3 investors

HUBUC provides financial infrastructure and fintech products for small and medium enterprises. The platform democratizes access to banking services through Banking as a Service and payment solutions.

3 investors

Metriport provides an open-source API for retrieving and exchanging clinical data. It serves healthcare software developers and providers seeking to integrate patient data across systems.

3 investors