JSON API Tester
Send a JSON request from your browser and inspect the status, headers, and pretty-printed JSON response. The target API must allow CORS. For APIs that do not, copy the generated cURL command and run it on your machine.
Generated cURL
Response
About JSON API Tester
Test a JSON API online by sending GET, POST, PUT, PATCH, or DELETE from your browser and pretty-printing the JSON response. This free JSON API tester adds Accept and Content-Type headers for you and can attach a Bearer token when the API needs one.
Paste a JSON body to validate it before send. Invalid JSON is rejected so you do not ship a broken payload. The response is formatted when it parses as JSON and left as text when it does not. Status code and elapsed time are shown so slow or failing endpoints are obvious.
Browser security still applies: the API must send CORS headers for the response body to be readable. When it does not, copy the generated cURL command. Pair this tool with the JSON viewer or JSON schema validator after you have a payload.
Calls go from your device to the API; this site does not store the body or token. Use this free JSON REST tester whenever you need a private, quick check of a JSON endpoint.