Rest Api Builder
The best 50 Rest Api Builder AI tools - Free & Paid
Explore 50 AI for Rest Api Builder
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
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
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
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
BuilderKit is a TypeScript Next.js SaaS boilerplate and AI starter kit that bundles modular code, prebuilt apps, AI modules (chat, text/image/speech), model integrations, Supabase/Postgres auth/storage, payments, SEO-ready UI, demos and deployment support.
Freemium
Contify News API provides a clean and granular, business-specific updates delivered through REST API and Webhooks.
Free trial
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.
Buildify is an API for realtors and brokers focused on pre-construction home listings in Canada, offering access to over 150 property attributes and ensuring daily updates through verified builder data, with customizable integration options for enhanced workflows.
Freemium
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.
Free
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
RealEstateAPI provides developers and real estate professionals with efficient access to extensive property data, offering features like bulk searches, property comparisons, and geo JSON parcel boundaries, all designed for high-performance data processing and historical analysis.
Freemium
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
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
ResumeBuilder.com lets users create professional resumes using 500+ free examples and 25 ATS‑friendly templates. The platform offers AI‑generated role phrases, keyword optimization, expert tips, mobile‑friendly editing, and export in TXT, Word, or PDF.
Freemium
Remotebase connects businesses with pre‑vetted software developers worldwide. It collects project requirements, matches with verified candidates, and facilitates direct interviews, supporting rapid scaling for roles like Python, JavaScript, React, Flutter, DevOps, and UI design.
Freemium
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
TeleportHQ AI Website Builder turns text prompts into responsive HTML, CSS, and JavaScript. A style guide enforces consistent branding across pages. Modular sections and conversational commands let users edit or regenerate parts without rewriting code. One‑click publish deploys instantly.
Freemium
- $18/mo
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
BuildShip is a visual AI workflow builder that lets teams in HR, finance, and marketing design, test, and deploy automated processes without code. It offers flow creation, a 50‑plus component library, secure API integration, cloud/self‑host options, version control, and real‑time logging.
Freemium
FormBuilderGPT translates natural‑language prompts into ready‑to‑publish forms in English, Spanish, or Portuguese. It auto‑generates structured templates for events, rentals, service requests, legal authorizations, and surveys, supporting images, documents, date/time fields to streamline data collec
Freemium
Buildform is an AI-powered form builder that simplifies creating and managing various forms. It offers templates, conditional logic, and real-time analytics, integrating with tools like Slack and CRM systems for enhanced workflow and user engagement.
Freemium
RocketPages is a coding-free website builder offering over 100 customizable templates, 1 GB of free storage, unlimited contributors, essential SEO tools, and secure SSL certificates, making it suitable for small businesses and individuals wanting a professional online presence.
Free trial
vly.ai is a full‑stack web builder that embeds AI engines (Claude, Codex, Gemini) into its IDE, offering real‑time REST queries, one‑click publishing, custom domains, visual backend dashboards, and thousands of prebuilt integrations with CI/version control for rapid, production‑ready prototypes.
Subscription
- $3/mo
Pineapple Builder is a no‑code AI website builder that creates and optimizes websites in five minutes, generating copy, design, and SEO suggestions from a business brief. It offers drag‑and‑drop editing, responsive layouts, and easy integrations for booking, payments, and marketing.
Freemium
- $12/mo
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
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
RapidMCP transforms existing REST APIs into MCP servers swiftly, without code changes. It features tool tracing, logging, security auditing, customizable prompts, and database connectivity, making it ideal for enterprises navigating API management and integration challenges.
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
SaaS Construct offers a ready‑to‑use Vue.js/TypeScript frontend with AWS Lambda backend, CDK infrastructure, Stripe/LemonSqueezy payments, AI via Bedrock/OpenAI, and a CI/CD pipeline, enabling developers to launch and scale SaaS apps on AWS in a single day.
Paid
Keel Studio turns natural‑language prompts into fully‑functional serverless backends. A single schema defines data, actions, and rules, automatically generating REST APIs, role‑based access control, observability, and custom jobs, while built‑in tool generators manage operations, finance, and invent
Freemium
Superapp generates production-ready native Swift iPhone apps from plain-English descriptions, using AI to design screens, assemble Swift code, and guide App Store publishing—enabling non-developers to build prototypes, MVPs, and native App Store releases without manual coding.
Subscription
- $25/mo
SingleAPI transforms any website into a ready‑to‑use API in seconds, automatically extracting structured data (JSON, CSV, XML, Excel). It offers real‑time webhooks, built‑in enrichment, proxy rotation, monitoring, and search‑engine scraping for developers, marketers, and analysts.
Freemium
- $75/mo
Tune is a GPT-3 powered app building tool that allows users to train and fine-tune models for chatbots and personal assistants without coding, providing unlimited single and few-shot responses, access to AI expert engineers, and 24/7 custom support.
Free
- $41.58/mo
ResBee consolidates a job seeker’s profile, auto‑syncing updates to resumes, cover letters and portfolio sites for consistent branding. It offers ATS‑ready templates, AI‑guided language and keyword edits, a quick portfolio builder, and real‑time application tracking.
Freemium
##stream.estate is a real estate data API that offers real-time property updates, advanced analytics, and comprehensive market insights, enabling developers to enhance property applications with features like property matching and instant notifications for new listings and price changes.
Subscription
ThinkRoot.dev is a no-code AI platform that turns natural language descriptions into fully functional, production-ready web applications and APIs. It automatically generates all code, infrastructure, and deployment pipelines, enabling instant updates and managed operations for teams.
Free trial
Contember is a TypeScript full‑stack framework that auto‑generates GraphQL APIs, authentication, and admin UIs from schemas. It provides AI tools for site editing, SSO, role permissions, and rapid prototyping in weeks.
Freemium
- $29/mo
SaaS Boilerplates offers a curated directory of 120+ SaaS starter kits organized by technology stack and feature set, allowing developers to quickly find templates for subscription billing, multi‑tenant setups, authentication, and Stripe integration.
Free
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
Craftable PRO generates Laravel CRUD scaffolds, offering a minimal UI, Vue 3 Storybook with Tailwind, role‑based access control, two‑factor authentication, a media library, multilingual support, and modules for system settings and content pages.
Paid
- $149
Epsilla lets organizations create AI agents without infrastructure management. Its no‑code builder, built‑in RAG, and performance dashboards support multi‑tenant deployments, hosted as SaaS or on‑premise, and offer vertical solutions across manufacturing, finance, healthcare, and more.
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
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
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