OpenAPI to cURL Converter
Generate copy-paste cURL commands from OpenAPI 3.x or Swagger 2.0 JSON specifications.
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What is OpenAPI to cURL Converter?
The OpenAPI to cURL Converter turns OpenAPI 3.x and Swagger 2.0 JSON specifications into readable, copy-paste cURL commands. It builds request URLs, methods, parameters, headers, and representative JSON bodies locally in your browser.
Key Benefits
- Generate runnable terminal examples for every documented endpoint
- Reuse example, default, and enum values from the specification
- Inspect request details without manually expanding the API document
- Copy commands or download a shell script for QA and documentation
- Keep internal specifications private with client-side processing
Common Use Cases
- •Quickly test endpoints during API development
- •Create reproducible cURL examples for bug reports and QA cases
- •Generate command-line documentation from an OpenAPI contract
- •Onboard engineers with ready-to-run requests for a new service
How to Use the OpenAPI to cURL Converter
- Paste your specification: Paste an OpenAPI 3.x or Swagger 2.0 JSON document into the input area, or load the sample.
- Generate commands: Click Generate cURL to parse the paths and create one command for each non-deprecated HTTP operation.
- Review the output: Review the generated URL, method, parameters, headers, and example JSON body in the output panel.
- Copy or download: Copy the commands into a terminal or download them as an executable-style shell script for your project notes.
Key Features
- Supports OpenAPI 3.x and Swagger 2.0 JSON specifications
- Builds URLs from servers or Swagger host, basePath, and schemes
- Includes path, query, and header parameters with example values
- Generates JSON request bodies from examples and schemas
- Produces readable multi-line shell commands for every endpoint
- 100% client-side with copy and shell script download options
Frequently Asked Questions
What does this OpenAPI to cURL converter do?
It reads OpenAPI 3.x or Swagger 2.0 JSON and generates a copy-paste cURL command for each non-deprecated HTTP operation.
Which parameters are included?
Path, query, and header parameters are included. The converter uses example, default, or enum values when present and uses a readable placeholder when no value is defined.
Can it generate request bodies?
Yes. JSON request bodies use explicit examples when available, or a representative body inferred from the request schema.
Is my API specification uploaded?
No. Parsing and generation happen entirely in your browser. The tool does not call an API or upload your specification.