What is MockServer?
MockServer lets you generate live, callable mock API endpoints in seconds — no signup, no installation. Define your HTTP method, path, response body, status code, and get a real URL you can hit from Postman, cURL, or your frontend app.
Key Features
- Instant Mock Endpoints — Create GET, POST, PUT, PATCH, DELETE endpoints with custom JSON responses, status codes, and headers
- Quick Mocks — No-account-needed throwaway mocks with 72-hour URLs
- AI-Generated Responses — Describe your data in plain English and get realistic JSON back
- Latency & Failure Simulation — Add fixed/random delays and intermittent failure rates to test edge cases
- Real-Time Traffic Logs — See every request's method, headers, body, timestamps, and IP
- Public Fake REST API — Pre-built endpoints for users, posts, products, and comments
20+ Free Developer Tools
All browser-based, zero data sent to servers:
- JSON: Formatter, Beautifier, Diff, Validator, Repair, Minify, JSON-to-Code (9 languages)
- Testing: API Tester, cURL-to-Code, Regex Tester, Cron Parser
- Encoding: JWT Decoder, Base64 Encoder, URL Encoder
- Utilities: Epoch Converter, UUID Generator, Hash Generator
Pricing
Free — up to 20 saved mocks, 7-day request logs. Pro — unlimited mocks, 30-day history.
