API Test Generator
Turn a response into a test.
Inspect your API, choose what to check, and export tests for your own tools. Free to use. No account required.
① Request→② Checks→③ Results
Request
Use an HTTPS endpoint you trust. Requests and credentials pass through Testcreators to that endpoint. Toolkit requests are not saved to your workspace.
Import an existing request · optional
Use a cURL command or OpenAPI definition to prefill the request below.
Request options · Authentication & headers
Send request
Receive a response, then choose the checks that matter.
HTTP status code reference
HTTP Status Code Reference
Quick reference for common API response codes during health check review.
2xx Success
200
OK
Request succeeded
201
Created
Resource created successfully
202
Accepted
Request accepted for processing
204
No Content
Success with no response body
3xx Redirects
301
Moved Permanently
Resource moved permanently
302
Found
Temporary redirect
304
Not Modified
Cached content still valid
4xx Client Errors
400
Bad Request
Invalid request syntax or payload
401
Unauthorized
Authentication required
403
Forbidden
Authenticated but not allowed
404
Not Found
Resource does not exist
405
Method Not Allowed
HTTP method not supported
409
Conflict
Duplicate or conflicting resource
415
Unsupported Media Type
Invalid Content-Type header
422
Unprocessable
Validation failed
429
Too Many Requests
Rate limit exceeded
5xx Server Errors
500
Internal Server Error
Unexpected server error
502
Bad Gateway
Invalid upstream response
503
Service Unavailable
Server temporarily unavailable
504
Gateway Timeout
Upstream timeout