Free API Management tools
62 of 101 API Management tools. See all API Management.
Akita Software provides an API observability platform that automatically discovers, monitors, and tests APIs.
Apache APISIX is an open-source, cloud-native API Gateway and AI Gateway designed for managing microservices and AI workloads.
Apiary provides a place to design and document APIs before writing code.
APITemplate.io is an API-based platform that provides two core services: PDF generation and image generation.
Apollo Studio provides visibility into your GraphQL APIs.
Amazon API Gateway is a fully managed AWS service for creating, publishing, maintaining, monitoring, and securing APIs at any scale.
Bruno is an API client that stores collections in plain files, not the cloud.
Cartesia offers Sonic-3, a state-of-the-art text-to-speech (TTS) API designed for creating highly natural and expressive AI voice agents.
Cleo Integration Cloud is a B2B integration platform that helps businesses automate supply chain data exchange through EDI (Electronic Data Interchange), APIs, and oth…
cloro is one API for real-time search data: structured Google results plus the answers and cited sources from advanced AI models.
Courier is a comprehensive platform designed to simplify the sending of transactional and lifecycle notifications across multiple channels.
CraftMyPDF is a cloud-based platform designed to automate the creation of PDF documents and images.
DocRaptor is an HTML to PDF API that leverages the powerful Prince PDF generator to convert HTML, CSS, and JavaScript into high-quality PDF documents.
DreamFactory is an API generation and management platform designed to modernize legacy systems and enable AI-ready access to data without moving it.
Firecamp is an open-source, multi-protocol API development platform designed to help developers and teams build, test, and collaborate on APIs more efficiently.
Grafbase is a GraphQL Federation platform designed for enterprises to unify, govern, and observe their APIs and AI stack.
GraphQL is an open-source data query and manipulation language for APIs, and a runtime for fulfilling those queries with your existing data.
Gravitee manages APIs and events with open-source flexibility.
Helicone is an AI Gateway and LLM Observability platform designed to help companies build, debug, and analyze their AI applications.
Insomnia is an open-source API development platform built by Kong for designing, testing, and debugging APIs.
Integuru is a platform that automatically generates production-ready APIs for websites and web systems.
Techmap's Job Datafeeds and APIs provide access to millions of international job postings, enabling businesses to extract actionable insights and power various applica…
Keploy is an open-source, AI-powered API testing tool that automatically generates test cases, mocks, and stubs from real application traffic.
Kong is an API gateway and service connectivity platform used by thousands of companies.
Kreya is a unified API client designed for developers to debug and interact with various API types including gRPC, REST, Server-Sent Events (SSE), and WebSockets from…
MCP Bridge by Appfactor is a self-hosted solution designed to bridge the gap between existing APIs and AI agents, particularly Large Language Models (LLMs).
Mergent provides a robust API for accessing a vast array of financial and business intelligence data.
Moralis provides a comprehensive suite of Web3 APIs designed to simplify access to blockchain data for developers and businesses.
ngrok exposes local servers to the internet for testing, demos, and development.
Octri.dev is a platform that takes an OpenAPI specification (or Swagger, Postman, AsyncAPI) and generates four production-ready products from it: an AI-enhanced docume…
PDFMonkey is a robust tool designed to automate the creation of PDF documents.
PDFShift is an API-first service designed to simplify the conversion of HTML documents to high-quality PDFs, capture website screenshots, and generate dynamic Open Gra…
Plivo is a cloud communications platform that provides voice, SMS, WhatsApp, and conversational AI APIs for businesses.
Portkey provides a comprehensive production stack for AI teams building with Large Language Models (LLMs).
RapidAPI is the world's largest API marketplace connecting developers to thousands of APIs.
Recost is a tool designed to help developers and businesses understand the exact costs associated with their API usage.
relayd is an open-source command-line interface (CLI) tool designed to help developers replay HTTP requests.
Rutter provides a Unified API designed for fintech companies and banks to integrate with over 60 B2B financial platforms, including accounting, commerce, payments, and…
Scalar is a comprehensive API platform designed to streamline API development, documentation, and management, primarily leveraging the OpenAPI standard.
ScrapingBee is a web scraping API designed to simplify data extraction by handling common challenges like headless browsers, proxy rotation, and CAPTCHAs.
Sequin provides a real-time, bidirectional sync between various APIs (like Salesforce, Airtable, Hubspot) and your PostgreSQL database.
ShipEngine is a robust multi-carrier shipping API designed to seamlessly integrate shipping functionality into various business systems.
Social Fetch is a social media scraper API designed to provide real-time data from over 20 social platforms, including TikTok, Instagram, YouTube, and X.
Stainless provides tools to enhance API developer experience by generating robust, idiomatic SDKs and dynamic, synchronized documentation.
Swagger provides tools for designing, building, and documenting RESTful APIs.
Tailcall is a modern GraphQL runtime designed to simplify the creation and deployment of GraphQL backends.
Treblle is an API Intelligence Platform designed to provide a comprehensive solution for managing the entire API lifecycle.
Vouch API provides a protocol and tools for AI systems performing financial analysis, valuation, forecasting, and equity research to validate their outputs against ver…
Yaak is a modern, local-first API client designed for developers who prioritize speed, security, and integration with existing workflows.
Zernio provides a unified Social API for developers and AI agents, enabling them to integrate social media posting, scheduling, and engagement functionalities into the…