API Tester
FreePremium (advanced)
Test REST, WebSocket, GraphQL and SSE APIs directly from your Android. Organize requests in collections and manage environments for different configurations.
Supported protocols
REST
GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS
WebSocket
Real-time bidirectional connection. Send and receive messages
GraphQL
Queries, mutations and subscriptions. Built-in schema explorer
SSE
Server-Sent Events. Visualize real-time event streams
Create your first request
- 1Open the API Tester module.
- 2Tap "+" to create a new request.
- 3Select the HTTP method and enter the URL.
- 4Add headers or body if needed ("Headers" / "Body" tab).
- 5Tap "Send" and review the response.
Collections & environments
Collections
Group your requests by project or service. Import and export in Postman-compatible format.
Environments
Define variables per environment (dev, staging, production) and switch between them with a tap. Use {{variable}} in your URLs and headers.
Authentication
| Type | Description |
|---|---|
| Bearer Token | Adds Authorization: Bearer <token> |
| API Key | Custom header or query param |
| Basic Auth | Username and password encoded in Base64 |
| OAuth 2.0 | Authorization flow with access token |
| No auth | Public requests |
Response inspector
- •JSON viewer with node collapsing and in-response search
- •Headers view with all returned headers
- •Response time and payload size
- •HTTP status code with description
- •History of the last 10 requests (Premium: unlimited)
- •Export response as JSON, CSV or plain text
Premium features
| Feature | Free | Premium |
|---|---|---|
| REST requests | ✅ | ✅ |
| WebSocket / GraphQL / SSE | ✅ | ✅ |
| Collections | 1 | Unlimited |
| Environments / variables | 1 | Unlimited |
| Request history | 10 | Unlimited |
| Mock Server | — | ✅ |
| Performance Testing (load) | — | ✅ |
| Collection Runner (batch run) | — | ✅ |
Next
Database