OhAPI Designer

OpenAPI editor & validator

Only for Mac

$17.99

Mac

OhAPI Designer is a native macOS editor dedicated to OpenAPI (Swagger) specifications. Write OpenAPI 3.0 / 3.1 files in JSON or YAML with context-aware completion, clear validation, and navigation tools designed for API work. An editor made for OpenAPI • JSON/YAML syntax highlighting, indentation guides, auto-indent • Breadcrumbs to stay oriented in deeply nested specs • Light & Dark mode Xcode-style completion and snippets • Ctrl+Space: suggestions based on cursor context in the OpenAPI schema • Snippets with ghost text and Tab to accept • Navigable placeholders with Tab / Shift-Tab to fill missing values quickly Validate and navigate faster • Inline validation (underlines + tooltips) • Quick navigation with Cmd-click on $ref Properties Panel + Schema Viewer • Operations list (method/path/summary) • Detailed view: description, parameters, request body, responses • Schema tab: explore schemas as a tree, with Referenced / Resolved modes Instant examples • View examples defined in the spec • Example generator when none are provided, with a Copy button OhAPI Designer is for API developers, architects, and technical writers who want a fast, native OpenAPI-focused experience on macOS.

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- New: Colored HTTP method badges in the operations table for better visual clarity - Fixed: Line numbers now update correctly when scrolling up - Fixed: Syntax highlighting fully applied on document load without requiring a scroll

The developer, CoxOne, 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

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

    Seller
    • CoxOne SPRL
    Size
    • 17.1 MB
    Category
    • Developer Tools
    Compatibility
    Requires macOS 26.2 or later.
    • Mac
      Requires macOS 26.2 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • Copyright © 2026 CoxOne. All rights reserved.