ProbePad

REST, GraphQL & WebSocket

Free · In‑App Purchases · Designed for iPad

New in v1.3.0: Full OAuth 2.0 with PKCE, OpenAPI/Swagger import, GraphQL query editor with schema introspection, and WebSocket connection testing! ProbePad is a powerful API testing app for iOS — like Postman, but designed for iPhone and iPad. Build & Execute Requests Create HTTP requests with all methods (GET, POST, PUT, PATCH, DELETE), custom headers, query parameters, and request body. Execute instantly and view formatted responses. Organize Your Work • Collections — Group related requests together • Environments — Switch between dev, staging, and production • Secrets Vault — Store API keys securely with biometric protection Inspect Responses • Syntax-highlighted JSON formatting • Response history with diff comparison • Status codes, headers, and timing info Import & Export • Import Postman collections • Import OpenAPI 3.0 & Swagger 2.0 specs — from file, URL, or share sheet • Selective endpoint import with tag grouping and preview • Export requests as cURL commands Authentication • Bearer Token & Basic Auth • API Key • OAuth 2.0 Authorization Code with PKCE • OAuth 2.0 Client Credentials • Automatic token refresh with Keychain storage • JWT token inspection and decoding • Provider presets for Google, GitHub, Azure AD, and Auth0 GraphQL • Query editor with syntax highlighting • Schema introspection with autocomplete • Variables, named operations, and query history WebSocket • Connect to WebSocket endpoints (ws:// and wss://) • Send and receive messages with full message history • Connection status indicator with auto-reconnection • Reusable message templates PRO Features Unlock unlimited collections, environments, and advanced features with ProbePad PRO.

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Advanced Features + Security Hardening OAuth 2.0 • Authorization Code with PKCE and Client Credentials flows • Automatic token refresh with Keychain storage • JWT token inspection and decoding • Provider presets for Google, GitHub, Azure AD, and Auth0 OpenAPI Import • Import OpenAPI 3.0 and Swagger 2.0 specs from file, URL, or share sheet • Selective endpoint import with tag grouping and preview GraphQL • Query editor with syntax highlighting • Schema introspection with autocomplete • Variables, named operations, and query history WebSocket • Connect, send, and receive messages with full history • Connection status indicator with auto-reconnection • Reusable message templates Security & Performance • CSRF protection on OAuth callbacks • Input validation and bounded resource handling • Improved architecture for faster, more reliable performance

Version 1.3.0

The developer, Olof Petterson, 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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • Olof Petterson
    • Size
      • 5.9 MB
    • Category
      • Developer Tools
    • Compatibility
      Requires iOS 17.0 or later.
      • iPhone
        Requires iOS 17.0 or later.
      • iPad
        Requires iPadOS 17.0 or later.
      • Mac
        Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      English and 3 more
      • English, German, Japanese, Spanish
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © 2026 Olof Petterson
  • Developer Website
  • Privacy Policy

    • More by Olof Petterson