ZELTE
v0.1.0 - Now Available on npm

Zero-Config API Testing
for Backend Engineers

The simplest way to test your APIs. Just write tests and run zelte run. Everything else is auto-detected.

Get StartedBrowse Docs
Install globally
bash
npm install -g zelte

Zero Configuration

No flags needed - zelte run just works. Auto-detects config, env files, and collections.

Simple Syntax

Write tests like you speak, not like code. YAML and JSON both supported with intuitive assertions.

CLI-First

Terminal-first design, CI/CD ready. Perfect for automation with JSON output and exit codes.

Write Tests in Minutes

collection.yaml
version: '1.0'
name: Login API

tests:
  - id: login
    name: User Login
    request:
      method: POST
      url: ${baseUrl}/auth/login
      body:
        email: test@mail.com
        password: 123456
    assertions:
      - statusCode === 200
      - body.token !== null
Terminal
$ zelte run collection.yaml

Collection: Login API

Test Results:
──────────────────────────────
ID      Name        Status
──────────────────────────────
login   User Login  ✓ PASSED

Summary:
  1 passed, 0 failed
  Total: 1 tests in 145ms