A free, lightweight Postman-like API client built right into Chrome's side panel.
Users
19
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#155K
#129K among extensions
Version
1.1.0
updated 22 Jun 2026
Users
monthly, 4 months
Latest, 16 Oct 2026:19 usersMove the mouse over the chart for any month
Ratings count
monthly, 4 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Restify – API Client
Restify is a free, fully-featured API client that lives right in Chrome's side panel — no separate app to install, no subscription, no limits.
Test REST APIs without ever leaving your browser. Whether you're a developer debugging endpoints, a QA engineer validating responses, or a student learning how APIs work, Restify gives you everything you need in a clean, fast interface.
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⚡ FEATURES
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🔧 Full Request Builder
HTTP methods: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS
Query parameters editor with key-value rows
Custom headers with count badge
Request body: JSON, plain text, form-data, x-www-form-urlencoded
Bearer Token, Basic Auth, and API Key authentication
📊 Rich Response Viewer
Syntax-highlighted, collapsible JSON responses
HTTP status badge with color coding (2xx green, 4xx red, 5xx red)
Response time (ms) and size (KB/MB)
View response headers
One-click copy to clipboard
🧪 Tests & Assertions (NEW)
Add no-code assertions to any request — status code, response time, JSON path values, headers, body content, and more
Tests run automatically every time you hit Send
Instant PASS/FAIL results with actual vs expected values
Export your assertions as runnable test code in any framework: Jest, Mocha + Chai, Playwright (TypeScript), pytest, unittest, JUnit 5, or TestNG
▶ Collection Runner & Reports (NEW)
Run all requests in a collection with one click
Watch requests execute live with a real-time progress view
Download a beautiful HTML test report — score summary, per-request status cards, and full assertion detail
📁 Collections & History
Save requests into named collections
Organize requests into folders
Full request history (last 200 requests)
Right-click to delete saved requests
🌍 Environments & Variables
Create multiple environments (Development, Staging, Production)
Define variables and use them as {{VARIABLE_NAME}} in URLs, headers, and body
Switch active environment with one click
✨ Smart JSON Editor
One-click Prettier formatting for JSON request bodies
Inline JSON validation with clear error messages
🌙 Dark & Light Theme
Beautiful dark mode by default
Toggle to light mode anytime — preference is saved
📥📤 Import & Export
Export all collections as a JSON backup
Import Restify JSON or Postman Collection v2.1 files — migrate from Postman in seconds
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🆓 100% FREE, FOREVER
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No account required. No paywalls. No telemetry. Everything is stored locally in your browser using Chrome's built-in storage.
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🔒 PRIVACY
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Restify never sends your requests, credentials, or data to any external server. All data stays in your browser. The only network requests made are the ones you explicitly trigger by clicking Send.
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💡 PERFECT FOR
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Frontend developers testing backend APIs
Backend developers verifying their own endpoints
QA engineers doing manual API testing and generating reports
Teams who want portable, shareable test suites without a paid tool
Students learning REST APIs and HTTP
Anyone who finds Postman too heavy for quick tests
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⌨️ HOW TO USE
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Click the Restify icon in your Chrome toolbar
The side panel opens alongside any tab
Enter a URL, pick a method, hit Send
Add assertions in the Tests tab to validate responses automatically
Save requests to Collections — then Run the whole collection and download your report
No setup. No login. Just open and go.