This is production, not a sandbox. Reads return your real data; writes (POST, PATCH, DELETE) really do create channels, raise claims and delete records on the account the key belongs to. Write calls ask for confirmation before they fire.
Authorization
Sent as Authorization: Token <key>. Without “Remember” the key is held for this tab only and is gone when you close it. Need one? Generate an API key in the publisher panel.
Endpoint
Request
Send
Cmd/Ctrl + Enter
Equivalent cURL includes your key once entered

          
Response