Browse the directory.

FX & Currency Exchange

Fixer is a simple and lightweight API for current and historical foreign exchange (forex) rates. It provides real-time exchange rate data for 170 world currencies, updated as frequently as every 60 seconds.

FX & Currency Exchange

ExchangeRate-API is a developer-focused service providing a simple JSON API for accessing current and historical foreign exchange rates. It serves individuals and businesses by offering reliable currency conversion for use in websites, applications, and financial systems.

FX & Currency Exchange

Open Exchange Rates offers consistent, reliable exchange rate data and currency conversion through a simple JSON API. Trusted by over 100,000 developers, it supports over 200 world currencies with both live and historical data.

Customer Data Platform

Segment is a customer data platform (CDP) that allows businesses to collect, unify, and connect their customer data to any system. It streamlines data collection from web and mobile apps, helping companies to better understand the customer journey and deliver personalized experiences.

Product Analytics

Heap is a digital insights platform, now part of Contentsquare, that automatically captures and organizes all user interactions across web and mobile platforms. It helps product, marketing, and data teams understand user behavior to increase conversion, retention, and customer delight without manual event tracking.

Product Analytics

PostHog is an all-in-one, open source product analytics platform for developers. It enables teams to understand user behavior with tools like session replay, feature flags, A/B testing, and surveys, replacing multiple specialized tools.

Feature Management

Unleash is an open-source feature management platform that gives enterprise teams full control over their software releases. It enables gradual rollouts, A/B testing, and instant rollbacks, decoupling feature releases from code deployment. Unleash is designed for large enterprises with a focus on security, governance, and control.

Feature Management

Statsig provides a comprehensive platform for product teams to build better products through experimentation and data. It enables developers and product managers to manage feature flags, run A/B/n tests, and automate impact analysis.

Experimentation & Optimization

Optimizely is a leading Digital Experience Platform (DXP) providing a suite of tools for content management, marketing, and commerce. It enables businesses to create, optimize, and personalize digital experiences across various channels, serving primarily mid-market and enterprise clients.

Feature Management

Split is a feature delivery and experimentation platform that helps engineering teams release features quickly and safely. It provides a unified solution for feature flagging, release monitoring, and A/B testing to give developers control over feature rollouts and measure their impact.

Networking & API Gateway

ngrok is an all-in-one cloud networking platform that creates secure tunnels to services running anywhere. It allows developers to expose local servers to the public internet, test webhooks, and build unified ingress for all their services.

Webhook Delivery

HookRelay is a webhooks-as-a-service platform that handles the reliable delivery of webhooks. It allows developers to offload webhook infrastructure, providing features like automatic retries, payload signing, and error visibility.

Webhooks

Convoy is an enterprise-grade webhook gateway for secure, scalable, and reliable event delivery. It allows developers to manage both incoming and outgoing webhooks with features like retries, signatures, rate limiting, and detailed observability.

Webhook Management

Hookdeck is a webhook infrastructure platform that helps developers receive, manage, and send webhooks reliably. It acts as a middle layer to handle queuing, rate limiting, and retries, ensuring no events are lost while providing full observability.

Media Generation

Restpack provides a suite of restful microservices and APIs for developers and businesses. Their main products include a Screenshot API for webpage captures, an HTML to PDF API for conversions, and a Browser Mockup API for creating marketing visuals.

PDF Generation

pdfEndpoint is a developer-focused API that provides a straightforward way to generate PDF files from HTML, CSS, and JavaScript. It's designed for easy integration into web applications for creating invoices, reports, and other documents.

PDF Generation

Prince is a powerful converter that transforms HTML, XHTML, XML, and SVG documents into PDF. It uses CSS for styling and formatting, enabling users to create professionally typeset, printable documents for e-publishing and archiving.

PDF Generation

Api2Pdf is a REST API for developers to generate and manipulate PDF files. It supports converting HTML, URLs, and Office documents to PDF, as well as merging multiple PDFs into a single file.

Document Generation

DocRaptor is a document generation API that allows developers to convert HTML, CSS, and JavaScript into PDF and XLS or XLSX files. It focuses on reliability, high-fidelity rendering, and expert developer support, serving businesses that need to programmatically create invoices, reports, and other documents.

Payments & Billing

Paystack helps businesses in Africa get paid by anyone, anywhere in the world. It provides a suite of APIs and tools that allow businesses to accept payments via credit card, debit card, mobile money, and more.