API code generation tool - AI tools

OpenAPI Generator is an AI-powered tool that automatically generates client libraries, server stubs, and documentation from OpenAPI specifications, supporting over 50 programming languages and frameworks.

• Free

Sideko is an AI-powered API platform that generates production-ready SDKs, documentation, and integrations, cutting development time by 90%+ while ensuring automatic updates and maintenance.

• Freemium
• From 400$

Stainless API automates the creation and maintenance of robust client libraries (SDKs) for various programming languages, saving significant development time and resources.

• Paid
• From 250$

apiDoc streamlines the creation of online documentation for RESTful web APIs by parsing annotations directly from your source code in various programming languages.

• Free

DocDriven is a shared workspace that streamlines API development, offering visual design, real-time collaboration, and AI code generation.

• Free Trial
• From 15$

Swagger provides comprehensive tools for designing, documenting, testing, and governing APIs throughout their lifecycle, with support for OpenAPI and AsyncAPI specifications.

• Other

Hanabi.rest is an AI-powered platform that allows users to build and deploy REST APIs from natural language and screenshots. It supports multiple runtimes including Cloudflare Workers, Fastly, Deno, and Node.js.

• Usage Based

Conektto is an AI-powered API design platform that simplifies API integration and development through automated code generation, testing, and collaborative features.

• Freemium

Fern is an AI-powered platform that automatically generates SDKs in multiple programming languages and creates interactive API documentation tailored to your brand from API specifications.

• Freemium
• From 150$

liblab empowers developers to instantly generate custom SDKs, streamlined documentation, and AI-driven interfaces for APIs, enhancing efficiency and user experience.

• Usage Based
• From 5$

GenAPI is an AI-powered platform that generates production-ready APIs within minutes, helping businesses save significant time and resources on backend development and infrastructure management.

• Freemium
• From 49$

Aspen is a free, native macOS app for testing REST APIs locally. It features an AI assistant to speed up API integrations, with no login required.

• Free

Konfig is an AI-powered platform that automates the generation of SDKs, documentation, demos, and tutorials for REST APIs, streamlining developer onboarding and integration processes.

• Contact for Pricing

Flowlet is a visual low-code platform that empowers developers to build, deploy, and integrate APIs rapidly, offering full control and seamless TypeScript integration for efficient API workflows.

• Usage Based
• From 5$

SwytchCode is an AI-powered platform that helps API and SDK publishers automate integration, reduce support costs, and accelerate developer adoption with 24/7 intelligent support and ready-to-use code generation.

• Freemium
• From 19$

Kodezi is a suite of developer tools that automates code reviews, enhances security, and keeps API documentation in sync with code changes, improving code quality and efficiency.

• Paid
• From 7$

ApiZilla leverages AI-driven code generation to transform SQL queries into production-ready backend applications, integrating REST APIs, admin panels, and more within minutes.

• Free

noSwag is a platform for generating, executing, and monitoring API tests directly from OpenAPI/Swagger specifications. Simplify your API testing workflow from NoCode to ProCode.

• Freemium
• From 9$

Roya accelerates API design with AI-powered endpoint generation and real-time collaboration. Visualize API usage on app screenshots for streamlined development.

• Free

Veo API is a professional video generation platform offering RESTful API services with comprehensive SDK support and real-time processing capabilities for seamless content creation.

• Freemium
• From 30$

APIDNA simplifies API integrations using autonomous AI agents, offering a seamless, secure, and automated platform experience for developers.

• Contact for Pricing

Doxify is an interactive platform designed to create clear, engaging API documentation. It streamlines the process from OpenAPI import to SDK generation, enhancing developer adoption and simplifying API management.

• Freemium
• From 49$

Axe API is a TypeScript-based framework designed to simplify building high-quality Rest APIs with automatic endpoint generation, robust query features, and auto-documentation.

• Free

SpecToMCP enables users to generate Model Context Protocol (MCP) servers directly from OpenAPI specifications, streamlining the API creation process for both humans and artificial intelligence systems.

• Other

SlashApi is a web platform that enables users to build REST APIs quickly without writing backend code, connecting with common apps and tools through instant API creation.

• Freemium
• From 10$

Fastgen is a rapid low-code platform for building scalable backends, APIs, workflows, and automations with AI-powered tools and seamless integrations.

• Freemium
• From 15$