API & HTTP Client

MCP, API & WebSocket Debugger

Free · Designed for iPad. Not verified for macOS.

This app is a powerful API Client and API Testing tool built for developers who need to send requests, inspect responses, and debug APIs anytime, anywhere. Whether you're working with REST APIs, GraphQL, WebSockets, or MCP (Model Context Protocol) servers, the app provides everything you need in one place. Test APIs faster, troubleshoot issues efficiently, and analyze responses with an intuitive interface designed for both beginners and experienced developers. - Key Features: + API Client & Request Testing * Send HTTP and HTTPS requests using GET, POST, PUT, DELETE, PATCH, HEAD, and OPTIONS. * Create and edit requests with an intuitive request editor. * View detailed request and response information, including headers, body, status code, response time, payload size, SSL details, and more. * Debug APIs without needing access to your desktop or terminal. + REST API, GraphQL & WebSocket Support * Test and debug REST APIs with ease. * Native GraphQL support with query editor, variables editor, and schema explorer. * Connect to WebSocket servers for real-time communication and testing. + MCP (Model Context Protocol) * Connect to remote MCP servers * Browse available tools, prompts, and resources. * Invoke MCP tools directly from the app. + JSON Viewer & Response Inspector * Automatically format and highlight JSON, HTML, XML, and plain text responses. * Easily inspect API responses for debugging and development. * Filter response data using JSONPath and XPath expressions. + OpenAPI, Swagger & Postman * Import and export Postman Collections and Environments. * Sync collections with your Postman Cloud account. * Support for OpenAPI and Swagger specifications. * Browse API documentation directly inside the app. + Authentication Supports multiple authentication methods, including: * Basic Authentication * Digest Authentication * OAuth 1.0a * OAuth 2.0 * JWT (JSON Web Token) * Additional authentication schemes with secure credential storage. + Productivity * Save reusable variables using Environments. * Import and export collections through iCloud Drive, Dropbox, and other document providers. * Automate API workflows with Apple Shortcuts. Whether you're a backend developer, mobile developer, frontend engineer, QA tester, or DevOps engineer, this app provides a complete solution for API testing, API debugging, REST API development, GraphQL, WebSocket, MCP, and OpenAPI workflows—all from your mobile device.

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The developer, Thien An Studio LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Provider
    • Thien An Studio LLC
    Size
    • 39.9 MB
    Category
    • Developer Tools
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Thien An Studio LLC
  • Developer Website
  • Privacy Policy

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