Rest Api Generator
The best 50 Rest Api Generator AI tools - Free & Paid
Explore 50 AI for Rest Api Generator
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
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
DocuWriter.ai automatically generates technical documentation from source code, delivering Swagger‑compatible API docs, Postman collections, and UML diagrams. It produces test suites, adds code comments, refactors code, converts languages, and syncs updates via n8n in searchable knowledge spaces.
Paid
- $29
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
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
Trickle converts natural‑language prompts into full web apps without coding, using a canvas interface, AI‑guided UI assembly, templates, Gemini 3.0 Pro integration, and export to static sites or cloud. Ideal for designers, developers, and startups.
Free
- $0.67/mo
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
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
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
Softgen transforms natural‑language specs into Next.js apps, integrating Supabase, Vercel, and GitHub for database, deployment, and version control. It supports multiple AI models and one‑click payment, email, and analytics services, while preserving code ownership and standard workflows.
Paid
DiagramGPT turns natural‑language prompts into architecture, sequence, BPMN, flowchart, ERD, and cloud diagrams. Users pick templates, view use‑case videos, edit in code‑based Eraser, and export to documentation tools. Collaboration, dark mode, and API support are included.
Freemium
Sutro auto‑generates production‑grade backends from SLang data models, creating schemas, APIs, validation, and authentication. It eliminates boilerplate, syncs documentation, and supports prompt‑to‑backend and Figma‑to‑code conversions.
Freemium
Full Stack AI is an AI‑driven CLI that generates fully configured Next.js applications from a text prompt, automatically adding TypeScript, Tailwind, Prisma/PostgreSQL, tRPC, authentication, Stripe, and Resend. Run with `npx fsai gen` and deploy locally or to your host.
Freemium
Problembo converts text prompts into anime‑style illustrations using nine professional models, including Furry Master, Anime XL, and an uncensored option. Users can specify negative prompts, receive results in JSON for API use, and filter by tags.
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
RoostGPT auto‑generates unit and API tests for Java, Go, and other languages, using LLMs to uncover edge cases and achieve full coverage in one pass. It also performs static vulnerability scanning and integrates into CI pipelines.
Freemium
Bannerbear is a RESTful API that programmatically creates images, videos, and PDFs for marketing and e‑commerce. It supports single/multi‑image workflows, automated video production, PDF output, and integrates with Airtable, Zapier, Make, and WordPress via SDKs.
Free trial
- $49/mo
Rapidnative is an AI-driven code generator for mobile apps using React Native and Expo. It enables users to create visual prototypes from plain English prompts, producing production-ready code while facilitating team collaboration and real-time modifications.
Free trial
TheNeo is an AI-powered tool that generates high-quality API documentation with descriptive summaries and collaborative editing features.
Subscription
Line0 automates backend development by generating production-ready services from natural-language descriptions, offering an in-browser editor with feature-specific chats, two-way GitHub sync, live API client with hot-reload and database preview, and built-in testing workflows.
Freemium
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
Archie Labs transforms idea‑stage concepts into production‑ready web and mobile apps without coding. It auto‑generates JavaScript/TypeScript, Next.js, React, Node code, stores it in GitHub, supports test automation, and runs on scalable cloud or client servers with SOC II/HIPAA compliance.
Freemium
GitHub Copilot is an AI pair programmer that uses the OpenAI Codex to suggest code and entire functions in real-time.
Free trial
CodeRocket is an AI‑powered tool that turns text or image prompts into production‑ready Tailwind v4 components for React, Vue, Svelte, Angular, and plain HTML. It supports design cloning, Figma integration, Supabase back‑end, and quick deployment.
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
Docgen is an AI tool that converts codebases into searchable documentation, automatically generating API docs and system diagrams. It supports over 25 programming languages and integrates with platforms like GitHub and Jira to enhance team collaboration and productivity.
Free trial
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
ModelsLab offers API‑based generative AI for image, video, audio, and language tasks, including editing, generation, and voice synthesis. It supports GPU server deployment, custom workflows, fine‑tuning, and LoRA adaptation for creators and developers.
Subscription
- $47/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
FlutterFlow is a visual development platform that lets users build mobile and web apps quickly with drag‑and‑drop UI components, a visual logic editor, and native integrations with Firebase, Supabase, and REST APIs. It supports testing and code export for deployment.
Freemium
StartKit.AI delivers a ready‑to‑deploy AI SaaS boilerplate with built‑in authentication, payment, and email, auto‑switching among OpenAI, Anthropic, Groq, and Llama, a React demo featuring chat, PDF query, image, knowledge base, and custom models, plus vector DB and RAG support.
Paid
User Story Generator uses AI to help Agile teams craft and organize user stories, expanding feature ideas and personas for comprehensive UX research. It offers secure, one‑time‑passcode login and a simple interface for quick collaboration among product, design, and dev.
Free
Codejet converts Figma design systems into production‑ready websites with one click. It offers a library of 100+ templates, AI‑generated responsive code, an integrated visual editor, and built‑in unit‑testing scaffolding for a seamless design‑to‑deployment workflow.
Freemium
- $39/mo
Schemawriter.ai automatically generates JSON‑LD schema for webpages and local businesses by crawling URLs, extracting entities from Wikipedia and Google Knowledge Graph, and delivering ready‑to‑use local business, GeoRadius, FAQ, product, and other schemas in under 30 seconds.
Subscription
- $59/mo
Face Generator produces real‑time photo‑realistic faces with adjustable gender, age, emotion, skin tone, hair, and accessories. Using a licensed studio‑captured dataset, it outputs high‑resolution, full‑body images and offers API access for design, e‑commerce, research, and simulation workflows.
Paid
- $16.58/mo
Chat‑based firmware generator for 23+ Arduino and ESP boards. Automatically selects libraries, assigns pins, compiles code, and flashes via USB or Wi‑Fi. Provides real‑time dashboards, fleet management, and a browser serial console for debugging.
Subscription
Render simplifies deployment and scaling of web apps, APIs, background workers, and static sites. It supports Docker, build‑packs, native runtimes, GitHub CI/CD, automatic scaling, zero‑downtime updates, SSL, custom domains, environment variables, and CDN‑backed database add‑ons.
Freemium
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
ChatPRD automates creation of requirement documents, user stories, and technical specs from simple prompts, analyzing research, code, and issues to spot gaps. It offers real‑time coaching, collaborative dashboards, and secure export to Linear, Notion, Confluence, Google Docs, Slack, and GitHub.
Freemium
- $5
SpeechGen.io converts up to 2 million characters into high‑quality neural‑voice audio across 150 languages with 5,000 models. It allows voice, speed, pitch, volume control, SSML tags, background music, multi‑speaker tagging, downloadable formats, and a REST API.
Paid
- $4.99
Business Generator guides entrepreneurs through structured planning, prompting target customers, revenue models, tech stacks, industry, investment, competition, skills, impact, and compliance. It outputs a data‑driven business plan with market positioning and growth strategy in 30+ languages.
Subscription
Generates AI-driven UI designs, editable interface pages and interactive prototypes from text or images, producing responsive web and native iOS/Android layouts plus one-click front-end code (React, Android Java, iOS Swift) for rapid prototyping and handoff.
Freemium
prompt.cafe rapidly creates app concepts by combining 68 ingredient categories, 24 design presets, and 29 tech stacks into ready‑to‑use prompts for code and design. It supports developers, designers, and product managers in quick, structured prototyping.
Freemium