API tools
Inspect tokens, status codes, headers and requests
Everything you reach for while debugging an HTTP integration: decode a JWT to see what a provider actually issued, look up what a status code means in practice, check which headers are safe to rely on, and turn a request into a reproducible cURL command.
4 API tools
JWT Decoder
API
Decode a JWT header and payload, and check expiry and standard claims.
Runs in your browser
HTTP Status Code Lookup
API
Search every HTTP status code with practical guidance on when to use it.
Runs in your browser
cURL Generator
API
Build a correct cURL command from a URL, method, headers and body.
Runs in your browser
HTTP Header Reference
API
Look up request and response headers, their direction and typical values.
Runs in your browser