Your team's ultimate API testing hub—organized, automated and always in sync

With Ze API Tester, you'll never lose control of your testing flow—just a clean, intuitive space where your team feels confident, connected, and always a step ahead

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No credit card needed ✦ Unlimited time on Free plan

One platform, Multiple possibilities

Test smarter, not harder—intuitive to use, ready to integrate, built to catch issues before they matter

Developers

QA & Testers

Product / Business Teams

Build and test APIs faster – without getting stuck in the console

Stop wasting time on local tests – run your APIs directly from the cloud, anytime, anywhere.

Tired of managing tests in raw JSON files? Organize and scale your API test sets effortlessly

Ready for real automation? Integrate your tests into CI/CD in just one click

API testing without code – full control from any environment

Test APIs with zero code – design your test scenarios with an intuitive visual interface.

Struggling to run tests across environments? Do it all in the cloud – fast and seamless

Need to share results with stakeholders? Generate clean, automated reports in a click

Make sure your product works as intended – no developers needed

Want to verify features work as planned? Run real API tests – no dev required.

No way to test APIs on your own? Use live documentation with built-in browser testing

Need visibility without being technical? Leverage a visual tool that reveals the backend flow

30+ Game - Changing Features & Growing...

Revolutionize your QA workflow with smart, scalable API testing

Core Testing Features

Project & Workflow Management

Reporting & Analytics

Developer Experience

Security & Access Control

Request Builder

Send API calls with full control over method, headers and body

Response Viewer

View and format responses with syntax highlighting for easy reading

Assertions Engine

Add conditions to validate status codes, values or structures

Multi-step Tests

Create chained requests to simulate real API workflows

Environment Variables

Switch between staging, dev and prod environments with ease

Dynamic Data Injection

Use variables or extracted values from previous steps in real-time

Global Test Variables

Define reusable global values across all tests and projects

Project Organization

Group tests into folders, suites, and workspaces

Versioning

Track changes to tests with rollback capability

Tagging System

Label tests with tags for filtering and grouping

Team Collaboration

Collaborate in real-time with team-level access and notes

Role-based Permissions

Set granular user permissions for access and control

Project Templates

Start quickly with reusable test templates for common use cases

Exportable Logs

Download logs in CSV, JSON, or PDF format

Email Notifications

Receive alerts on failures, successes or thresholds

Success Metrics

Track pass rates, response times and uptime

OpenAPI Import

Import Swagger/OpenAPI files to auto-generate tests

Mock Server Support

Test APIs against mock responses before backend is live

Postman Collection Import

Migrate existing tests from Postman easily.

Dark Mode

Switch to a comfortable, developer-friendly dark theme

Multi-language Interface

Use the platform in multiple languages

Inline Documentation

Get help and API references inside the app.

API for the Tester

Use APIs to trigger and manage tests programmatically

Browser Extension

Use tests directly from your browser

Code Snippet Generator

Generate Python, JavaScript, or cURL snippets from test cases

Two-Factor Authentication

Extra security on account login

Advanced Permission Control

Grant granular access by role, team, or project

Data Encryption

Encrypt sensitive data at rest and in transit – industry standard

Cloud Backup

Back up all data securely in the cloud for instant recovery.

Multi-Device Sync

Secure real-time sync across all your devices