Api Development
The best 50 Api Development AI tools - Free & Paid
Explore 50 AI for Api Development
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
AIMLAPI.com offers a unified API endpoint for over 400 AI models spanning chat, image, video, audio, voice, text, 3D, and OCR. It supports sandbox testing, granular access control, batch requests, and an OpenClaw runtime for secure, human‑in‑the‑loop workflows.
Freemium
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
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
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
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
apix-drive is a no-code business automation platform with 400+ integrations. Easily automate tasks across different systems, saving up to 50% of working time. Enhance productivity and customer engagement seamlessly.
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
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
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
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
CometAPI is a unified AI platform offering single-API access to 500+ models like GPT and Claude, streamlining integration across providers. It ensures high-speed concurrency, real-time analytics, and vendor flexibility for industries like e-commerce and finance.
Usage Based
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
Alfred automatically generates integration code and data models from an OpenAPI spec, answers natural‑language API queries, and delivers language‑specific snippets for rapid implementation across platforms, reducing support tickets and speeding API onboarding.
Subscription
- $233/mo
ApexAPI is a unified AI gateway that provides a single OpenAI-compatible endpoint for accessing 14+ major AI providers. Developers can switch between models from OpenAI, Anthropic, Google, and others by simply changing the model name, requiring only one API key for all integrations.
Paid
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
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
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
Apify is a web scraping and data extraction platform with over 3,000 pre-built scrapers. It supports integrations with various apps, offers anti-blocking features, and enables custom scraper development using its open-source library, Crawlee.
Freemium
WebScraping.AI offers a single API that retrieves clean HTML, plain text, or JSON from any URL, handling JavaScript-heavy pages, proxies, CAPTCHAs, and retries. Users can query, extract fields, generate summaries via prompts, and integrate with SDKs or workflow tools.
Subscription
- $29/mo
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
Lexica Aperture is a V5 text‑to‑image AI that generates up to 960×1440‑pixel images from natural‑language prompts. Its real‑time preview, prompt tweaking, and history features support rapid prototyping for designers, illustrators, and marketers.
Freemium
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
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
Contify News API provides a clean and granular, business-specific updates delivered through REST API and Webhooks.
Free trial
Code99 is an AI-powered tool that generates production-ready REST API code for Nest.js and TypeORM with built-in authentication, email integration, and Swagger API documentation.
Free
CodeAI turns plain‑English app concepts into editable code for frameworks like Next.js, auto‑generating components, routing, and deployment scripts. It integrates with GitHub and offers one‑click hosting on Vercel, Netlify, and Supabase, plus a template library.
Freemium
- $12/mo
Metatable is an AI-driven development platform that provides a seamless development experience with no coding required for developers to construct complete apps spanning front-end to backend, including infrastructure setup.
Freemium
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
apex.ai is a comprehensive platform providing safety-certified software tools and services for autonomous systems. Its modular products enable deterministic execution, high-speed data routing, repeatable testing, and automated deployment for robotics and embedded applications.
Freemium
Beagle Security automates web, API, and GraphQL penetration testing using AI trained on 350k workflows. It runs in CI/CD, reports to Jira/Azure/Slack, cuts manual effort, reduces false positives, and gives clear remediation guidance.
Freemium
- $8.25/mo
TheNeo is an AI-powered tool that generates high-quality API documentation with descriptive summaries and collaborative editing features.
Subscription
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
AI API is a unified interface that connects to 100+ AI models for text, code, image, video, and speech tasks via a single OpenAI-compatible endpoint. It simplifies switching between models without code changes, with built-in routing, failover, and monitoring for production-ready development.
Freemium
ellow connects organizations with vetted developers worldwide, offering talent on demand, executive search, and global centers. AI matching cuts hiring to under 48 hours, supports flexible engagements, and delivers managed cloud, DevOps, and AI‑augmented engineering for rapid app development.
Free
APIPod is a unified API gateway providing access to 100+ AI models for text, image, video, and audio generation. It simplifies production deployment with developer tools, agent orchestration, observability, and enterprise-grade reliability.
Freemium
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
KushoAI automates API contract tests from OpenAPI or Postman, continuously monitors contract drift, and updates suites. It runs real‑time security scans, covers API, database, and UI layers, and self‑heals tests as code evolves, providing release risk scores for ship decisions.
Freemium
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
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
Automates reviews of public, web, and mobile APIs against the API Governance Top‑10 list, generating compliance reports and badges. Integrates with CI/CD, GitHub Actions, Jira, and API gateways for continuous validation, enabling consistent standards and faster time‑to‑market.
Subscription