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The Fernand API follows the OpenAPI 3.0 specification, providing a complete and machine-readable description of all available endpoints, request parameters, and response formats.

Download OpenAPI Spec

Download the complete OpenAPI 3.0 specification in JSON format.
 All API requests should be made to https://api.getfernand.com

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Using the OpenAPI specification

The OpenAPI specification can be used to:
  • Generate client libraries - Use tools like OpenAPI Generator to create SDKs in your preferred language
  • Explore endpoints - Import the spec into tools like Postman or Insomnia for interactive testing
  • Validate requests - Use the schema to validate your API requests before sending them
Our documentation and OpenAPI specification are constantly updated to reflect the latest version of our RESTful API. Always use the latest version for the most up-to-date endpoint information.