API & HTTP Client vs Monkeytail

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.

Monkeytail is a native request debugger for iPhone, iPad, Mac, and Apple Vision Pro. The compact Apple Watch companion sends favourite requests copied from iPhone. No Monkeytail account or sign-in. • Import cURL, Postman collections, Insomnia JSON, and OpenAPI or Swagger JSON/YAML. • Organize nested folders with shared headers, authentication, variables, and JavaScript hooks. • Use OAuth 2.0 with PKCE and refresh tokens, API keys, Basic, Bearer, and AWS Signature V4. • Manage cookies and client certificates. Inspect request timings, redirects, and TLS details. • Edit GraphQL queries and variables, browse schema fields, and inspect WebSocket or SSE messages. • Format JSON, browse a tree, search, run visual response tests, and inspect images, audio, video, hex, or binary data. • Save and compare responses, create offline mocks, and export Swift, JavaScript, Python, or Kotlin client code. • Sync workspaces with optional iCloud Drive. Choose proxies. Browser TLS/HTTP2 profiles are available on iOS and Mac. Free, with no in-app purchases, analytics, tracking, or data collection by Kitta Co. Requests go to servers and proxies you choose. Credentials, cookies, client certificates, and upload files stay on your device by default. Requires iOS 17 or macOS 14 or later. Client certificate import on Mac requires macOS 15. Import, schema validation, and scripting support the documented subset.