Api Development
The best 50 Api Development AI tools - Free & Paid
Explore 50 AI for Api Development
Replit is a collaborative browser-based IDE with AI-powered tools for software development, real-time multiplayer editing and deployment, templates and tutorials, and hosting and monetization options.
Subscription
Qodex is an automated API testing platform that streamlines test creation and execution, offering features like automated test generation, uptime monitoring, and real-time failure alerts, facilitating efficient testing in CI/CD workflows for developers and QA teams.
Free trial
DevKit combines 30 mini-devtools, an AI assistant (DevGPT), and integrates with 100+ public APIs & P5.js. It accelerates code testing, API queries, generation, art creation, and simplifies app/website management for enhanced developer productivity.
Freemium
- $10
GenAPI is an API production tool that rapidly generates production-ready APIs, reducing backend development time from months to minutes. It enhances collaboration, supports integration with existing workflows, and optimizes resources for tech teams and enterprises.
Freemium
AskCodi accelerates backend and frontend development by generating REST/GraphQL APIs, UI components, and production‑ready agents. It offers an AI gateway, IDE/CLI integration, and a marketplace for ready‑to‑run templates, cutting boilerplate and speeding prototyping.
Freemium
- $20/mo
Pi.dev is a terminal-based coding agent for developers and teams, offering TUI, RPC/SDK modes, extensible TypeScript modules and packages, multi-provider model authentication, session/context management, RAG/memory primitives, and CLI tooling for automation and integration.
Free
Devv is an AI coding agent that transforms prompts into complete full‑stack AI websites. It auto‑adds authentication, LLM access, database, and image generation, streamlining build, iteration, and deployment for indie builders and small teams.
Freemium
- $49/mo
Vapi is an AI tool that facilitates rapid voicebot development for various applications like customer support, sales, telehealth, etc. It provides features such as low-latency streaming, multilingual support, and customizable models to efficiently create sophisticated voice solutions.
Free trial
- $36
ReAPIs accelerates API development using AI-driven tools. Simplifies YAML tasks via visual editor, automates documentation, ensures precision, boosts reusability, and facilitates collaboration for streamlined and precise API creation.
Free
Google Antigravity is an IDE for developers featuring tab autocompletion, natural language code commands, and configurable agents that monitor tasks. It offers cross-surface synchronization and a unified mission control view for managing multiple agents.
Free
OpenAI Codex CLI is a terminal-based, open-source coding agent that uses natural language to automate development tasks like code generation, testing, refactoring, and codebase understanding, with secure sandboxed execution and Git integration.
Free
QA.tech automates end‑to‑end tests across web, mobile, and APIs with AI agents that simulate real users, reducing flakiness, delivering instant CI/CD feedback, logging detailed failures, and automatically updating test cases without infrastructure setup.
Freemium
- $499/mo
Google AI Studio is a unified platform for accessing Gemini multimodal models—text, image, audio, and video—with API/SDK support, an integrated playground for prompt testing, one-click deployment, and centralized monitoring, logging, and code samples for rapid integration.
Freemium
GitHub Copilot is an AI pair programmer that uses the OpenAI Codex to suggest code and entire functions in real-time.
Free trial
YouWare is a vibrant platform blending AI-powered app and website creation with a thriving creative community. Users leverage cutting-edge AI generation and prompt-based 'vibe coding' to build projects and collaborate.
Freemium
- $17/mo
AI App Builder turns plain‑language app ideas into functional web prototypes. Drop screenshots, iterate design and code in real time, then deploy instantly. Built‑in templates cover portfolios, e‑commerce, and events, with export, hosting, and version‑control integration.
Freemium
Devzery's AI-powered API Regression Testing Tool automates and optimizes the regression testing process for APIs. It detects issues early, maintains high API quality, and executes tests efficiently without duplication. Integrated with CI/CD pipelines, it boosts coverage, bug tracking, and code qual
Free trial
Warp is an agentic development environment that leverages AI agents to accelerate software development by automating coding, debugging, and feature creation directly within a developer's codebase.
Freemium
Aider is an AI-powered pair programming tool that helps developers collaborate with LLMs for editing, refactoring, and debugging code within Git repositories. It supports multiple languages and integrates with IDEs and editors for real-time updates.
Free
pre.dev automates end‑to‑end software development. It accepts ideas or repositories, generates architecture, writes and verifies code, then pushes to a feature branch. Integrations with GitHub, Slack, Jira via OAuth run agents in secure, multi‑stack sandboxes.
Freemium
Autify is an AI testing platform that automates end‑to‑end tests for web, mobile, and desktop apps. Its Aximo, Nexus, and Genesis modules generate, execute, and maintain tests, reducing manual scripting and easing maintenance for QA and dev teams.
Freemium
Blackbox AI is an AI-powered tool for developers that searches and autocompletes code snippets across multiple programming languages and repositories, extracts code from videos and PDFs, and converts queries into code.
Free trial
- $5/mo
Kiro AI is an AI-powered IDE that transforms user prompts into specifications and structured tasks to accelerate prototype development and collaboration. It automates repetitive coding tasks with AI agents, supports multimodal input, and integrates with VS Code while ensuring security and privacy.
Freemium
GPTConsole lets developers build, share, and monetize AI agents without managing event chaining or memory. With an SDK, API, CLI, and agents such as Pixie, Chip, and Doodle, it supports automated code review, dashboard creation, and more for production apps.
Freemium
Katalon is an AI-augmented test automation platform that streamlines automated testing for web, mobile, desktop, and APIs, featuring low-code scripting, seamless CI/CD integration, and on-demand execution across multiple environments for enhanced efficiency.
Free trial
- $83.33/mo
Copilot4DevOps is an AI assistant for Azure DevOps that automates tasks like requirements authoring and test case creation, improving workflow efficiency and collaboration among project teams while ensuring data privacy through secure operations.
Free trial
- $1.67/mo
Boxy is an AI coding assistant that enhances the coding experience, speeds up machine performance, provides useful features like code reviews, sandboxes and optimization, and helps bring ideas to code faster.
Free trial
- $9
APIPark is an open-source AI gateway and API portal that simplifies AI model management, integration, and deployment, offering unified API formatting, lifecycle management, and secure multi-tenant support for efficient AI usage.
Free
Coddy.Tech offers free interactive coding lessons across many languages and AI prompt engineering, featuring an in‑browser editor, streak tracking, achievements, AI debugging, a community leaderboard, and certificates for LinkedIn. It runs on iOS, Android, and web.
Free
Trae is an adaptive AI-powered IDE that boosts coding efficiency through dynamic task allocation, real-time previews, multimodal understanding of images, tailored code generation, and smart autocompletion, enhancing developer collaboration and workflow.
Freemium
Carbonate is an AI-driven automated end-to-end testing tool that allows you to write tests in plain English, intelligently analyzes HTML for UI changes, and speeds up development and stability of your tests.
Freemium
OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.
Free
Applitools automates visual, functional, and API testing for web, mobile, and PDF interfaces, using AI to compare screenshots, filter dynamic content, and generate autonomous tests via recording and natural‑language authoring, with CI/CD integration and built‑in accessibility compliance.
Free trial
OpenRouter gives one API key to access 300+ models from 60+ providers, SDK‑compatible, with visual routing, automated fall‑back, edge hosting, data‑policy controls, and agentic tools for building efficient autonomous workflows.
Freemium
Windsurf is an AI coding tool that enhances developer workflows with features like Cascade for code understanding, real-time error detection, integrated IDE plugins, and collaboration tools, enabling efficient coding, debugging, and project management.
Subscription
AIConsole is an open-source desktop editor featuring a console interface for local code execution. It optimizes workflow, excels in automation and precise task handling via advanced prompt engineering and RAG system support. Collaborative domain-specific AI solutions are facilitated through its ope
Freemium
Kodezi autonomously scans and refines codebases, automatically detecting bugs, applying best‑practice refactors, sanitizing inputs, and generating documentation and tests. It supports JavaScript, TypeScript, Python, Java, and integrates with CI pipelines for continuous quality enforcement.
Freemium
- $9.99/mo
Gemini CLI is a terminal-based AI agent that leverages Gemini's multimodal capabilities to automate coding tasks, manage codebases, and streamline GitHub operations. It enables developers to generate content, handle version control, and boost productivity through high-level tool integrations.
Free
Jam is an AI-powered debugging assistant that streamlines the debugging process through automated source code analysis and code fix suggestions while ensuring privacy and security. It integrates with a Chrome extension for bug reporting workflow.
Free
APIPASS API Marketplace is a unified platform for discovering, testing, and integrating APIs across REST, GraphQL, and SOAP. It provides a searchable catalog with built-in testing tools, comprehensive documentation, and management workflows for streamlined deployment.
Freemium
SampleApp.ai enables rapid application prototyping and API integration within 60 seconds. It uses AI to generate customized sample applications, offers OAuth security, versioning, analytics, and forking capabilities, streamlining developer onboarding and enhancing engagement.
Free trial
AI Studio is a comprehensive AI platform that combines top AI tools for effortless AI system building. With both command line and web UI, it simplifies tackling complex problems. Stay updated for the upcoming desktop version launch.
Subscription
Emergent generates full‑stack, production‑ready web applications from natural language prompts. It auto‑creates APIs, UI, and deployment scripts for React, Node.js, Django, etc., with built‑in version control, testing, and CI/CD for rapid prototyping.
Freemium
- $5/mo
A command-line HTTP client with features such as syntax highlighting, JSON support, automatic authentication, API testing, network request debugging, and custom tool building. Available for Windows, Mac, and Linux.
Defang is a cloud application development tool that streamlines project creation, deployment, and debugging. It allows users to generate code from natural language prompts, simplifies scalable deployments, and offers AI-driven debugging support for various frameworks.
Freemium
Autoflow is an automated testing tool for developers and QA professionals, offering no-code testing, cloud-based execution, CI/CD integration, real-time alerts, mobile support, and easy migration from frameworks like Playwright and Selenium for streamlined processes.
Free trial
Augment Code is an AI coding assistant designed for professional engineers working with large codebases, offering real-time, context-aware suggestions and maintaining coding style consistency. It integrates seamlessly with popular IDEs like VSCode and JetBrains while ensuring compliance with SOC 2 T
Freemium
- $30/mo