20003: authentication failed

HTTP status

401

Where you see it

HTTP

Why it happens

• Wrong or missing credentials (AccountSid:AuthToken or ApiKeySid:ApiKeySecret).

• An API key used on another account's path: a key works only for its own account.

What to do

Check the credentials, and use each one only on its own account's paths.

The error body

{
  "code": 20003,
  "message": "authentication failed",
  "more_info": "https://docs.dongleswithwings.com/errors/20003",
  "status": 401
}