cURL to OpenAPI Schema

Convert cURL commands to OpenAPI 3.0 and Swagger schemas online. Extracts HTTP methods, headers, query params, and JSON bodies. Free API tool.

About this tool

cURL to OpenAPI schema generator converts cURL requests into standard OpenAPI 3.0 and Swagger JSON specifications with auto-generated endpoints and parameters.

How to use

  1. Paste your cURL command containing URL, headers, and request body.
  2. Review the generated OpenAPI 3.0 JSON specification.
  3. Copy the spec directly into Swagger Editor, Postman, or API documentation.

FAQ

Does it extract query parameters and headers?

Yes, all query parameters and request headers are mapped into OpenAPI parameter objects.

Does it infer JSON request body schemas?

Yes, object properties and primitive types are automatically inferred.

What does cURL to OpenAPI Schema do?

cURL to OpenAPI schema generator converts cURL requests into standard OpenAPI 3.0 and Swagger JSON specifications with auto-generated endpoints and parameters.

How do I use cURL to OpenAPI Schema?

Open the cURL to OpenAPI Schema tool, then paste your cURL command containing URL, headers, and request body.

Related tools