Browse the directory.

Communications

Nylas provides a developer platform with a single API to integrate applications with any email, calendar, and contacts provider, such as Google and Microsoft. It serves product teams who want to build features like calendar syncing, email automation, or unified inboxes without managing individual integrations.

Forms & Surveys

Jotform is a no-code, drag-and-drop form builder that allows users to create a wide variety of forms, surveys, and apps. It serves a broad audience from individuals and small businesses to large enterprises for data collection and workflow automation.

Cybersecurity

HackerOne is a security platform that connects businesses with a global community of ethical hackers to find and fix vulnerabilities. They offer services like bug bounty programs, penetration testing, and vulnerability disclosure programs to help organizations reduce their security risks.

API Management

Kong provides a scalable, open-source API gateway and platform that manages, secures, and connects microservices and APIs. It serves developers and enterprises by simplifying API management, from creation to consumption, and ensuring performance and reliability.

Observability & Monitoring

Sentry is a developer-first application monitoring platform that helps software teams identify, diagnose, and resolve errors and performance bottlenecks in their code. It provides full-stack visibility and deep context to solve issues faster.

Rewards & Loyalty

Tango is a digital rewards and incentives provider that allows businesses to send e-gift cards, prepaid cards, and nonprofit donations to customers and employees. Their platform supports bulk sending, has API integrations, and offers a global catalog of rewards.

Blockchain & Web3

Infura is a blockchain infrastructure platform that provides developers with reliable, scalable API access to Ethereum and other decentralized networks. It enables developers to build and scale Web3 applications without the overhead of running their own nodes.

Payments & Billing

Marqeta is a global, modern card issuing platform that allows businesses to create and manage physical, virtual, and tokenized payment cards. It provides flexible APIs for developers to build customized debit, credit, and prepaid card programs for use cases like digital banking, expense management, and on-demand delivery.

Communications

Twilio provides a suite of communication and customer data APIs that enable developers and businesses to build and scale personalized customer engagement. It allows companies to programmatically make and receive phone calls, send and receive text messages, and perform other communication functions using its web service APIs.

Communications

The Vonage API Platform allows developers to embed powerful communication capabilities like voice, SMS, video, and two-factor authentication directly into their applications. It serves businesses of all sizes, from startups to large enterprises, looking to enhance customer engagement and build innovative communication features.

Communications

Knock provides a complete infrastructure for developers to manage and deliver product and customer messaging across multiple channels, including email, SMS, push, in-app, and chat. It helps teams ship complex notification flows, manage user preferences, and activate data without building the notification stack in-house.

Maps & Location

TomTom provides a suite of SDKs and APIs for developers to integrate mapping, navigation, traffic, and location-based services into their applications. They serve a wide range of clients, from individual developers to large automotive and tech companies.

FX & Currency Exchange

XE Currency Data API provides businesses with accurate and reliable currency exchange rate data for over 170 world currencies. It's used for powering commercial applications, ERP systems, and financial software with real-time rate information.

Financial Data & Open Banking

Mono is an Open Banking infrastructure company that enables businesses in Africa to access financial data, accept direct bank payments, and verify customer identities through a single API.

Travel & Booking APIs

Sabre provides a suite of APIs and SDKs for the travel industry, operating one of the world's largest Global Distribution Systems (GDS). Their platform allows developers to integrate travel content and services, including flight booking, hotel reservations, and car rentals, into their applications.

Travel & Booking APIs

Amadeus for Developers is the portal for accessing Amadeus's extensive travel data and functionalities. It provides developers with Self-Service and Enterprise APIs to build applications for flight booking, hotel search, car rentals, and travel intelligence.

Social Media APIs

The Hootsuite API allows developers to build applications that integrate with the Hootsuite dashboard. It enables programmatic management of social media messages, content scheduling, and media uploads across multiple social networks.

Social Media APIs

Ayrshare provides a powerful API for developers and businesses to integrate social media into their applications. It allows for posting to multiple networks, retrieving analytics, and managing comments through a single, unified interface.

E-Commerce & Marketplace

commercetools is a headless, API-first commerce platform for large B2C and B2B enterprises. It provides a set of composable commerce APIs, allowing businesses to build custom purchasing experiences across any digital channel, differentiating from traditional all-in-one platforms.

E-Commerce & Marketplace

BigCommerce is a flexible, open SaaS ecommerce platform for businesses of all sizes. It empowers merchants to build and grow their online stores with a comprehensive set of tools, from startups to large enterprises, with a focus on being the best commerce platform so customers can focus on growth.