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Fake API
Fake API is a free mock REST API you build in the browser and call over a real HTTPS URL. Set the JSON body, status code, headers and latency, no backend.
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85 % |
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Wyro — The architecture check for backends agents write
Wyro reads the backend your coding agent wrote and shows which routes reach your data without checking who is asking. Rule-based, free for public repos, and...
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84 % |
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Counterfact — Build the frontend. Don’t wait for the backend.
Build and test against an API contract with Counterfact. Simulate new functionality, errors, and edge cases, and selectively proxy to real services.
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84 % |
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Mockend - Number 1 Mock API on GitHub Marketplace
Create fake APIs and simplify your development workflow with Mockend. Protect your data, keep your environment clean, and enjoy an efficient development expe...
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83 % |
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API Fast Mock
Create stateless API mocks instantly using compact tokens. Perfect for rapid prototyping and testing.
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83 % |
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MockResponse — Every external system. Instantly sandboxed.
Give your software and AI agents isolated, stateful versions of the services they depend on. Pre-built synthetic third-party environments — not hand-built mo...
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83 % |
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Quickback | Define your features. Generate your secure backend.
For solo builders. Define your app's features in one TypeScript file per table — or let your agent — and Quickback generates a production-ready Hono backend:...
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82 % |
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Appweaver | AI-First Node.js Framework
The AI-first Node.js framework for quick scaffolding, extending, and shipping APIs with agents.
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82 % |
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Probe — AI-powered API debugger that explains every response
Probe is the API request debugger that tells you WHY your request failed, in plain English. Proxy, inspect, share, and mock any HTTP request — free.
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82 % |
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Free API Mocking Server | Instant REST API Mock | QuickRoute
Create instant, free API mocks in seconds with zero signup. Visual route builder, dynamic Faker JSON generation, custom delays, and auth support. Try it now! ✓
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82 % |
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Thodr · Mock APIs that just work
Hosted mock APIs with permanent URLs. Create an endpoint, get a live URL, share it with your team. No servers to run, no config to maintain.
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81 % |
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Mirage JS • An API mocking library for frontend developers
Build, test and demo your JavaScript application without an API
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81 % |
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ApiMocker - Free Mock REST API for Frontend Developers
Build with a free shared mock REST API for users, posts, todos, and comments. Test CRUD, search, pagination, relationships, delays, and errors.
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81 % |
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MockAPI — Mock HTTP Endpoints Instantly
Create and manage mock HTTP endpoints instantly. Custom JSON responses, status codes, and delays. Build your frontend without waiting for the backend.
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81 % |
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MockBolt — Instant Mock APIs from JSON. Free, No Signup.
Paste any JSON and get a live mock API endpoint in seconds. No signup, no install. Supports all HTTP methods, custom status codes, headers, and response dela...
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81 % |
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Keel — Product foundation
A durable monorepo foundation for web, native, and automation products.
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81 % |
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GoalStack
A focused toolbox for developers.
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80 % |
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JGNEXT - AI-Powered App Builder | No Code Required | JGNEXT
Build complete applications using just natural language. Advanced AI, instant deploy, no programming required.
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80 % |
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Pipulate - The Context Compiler That Helps You Prompt Well (formerly AI SEO Software) | Pipulate, a Free and Open Source Context Compiler (formerly AI SEO Software)
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80 % |
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ReqRes | Free REST API for developers
Free REST API for testing and prototyping with real responses, no signup needed. Or build your own backend with collections, auth, and logs at app.reqres.in.
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80 % |
Detected social media networks