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Broid API uses JSON Web Token (JWT). This is an open standard (RFC 7519) that defines a compact and self-contained way to transmit information securely between parties as a JSON object. Since this information is digitally signed, it can be verified and trusted. JWTs can be signed using a secret (with the HMAC algorithm) or a public/private key pair using RSA.

Let's explain some concepts of this definition further. - Compact: Because of its smaller size, JWTs can be sent through an URL, POST parameter, or inside an HTTP header. Additionally, the smaller size means transmission is fast. - Self-contained: The payload contains all the required information about the user, avoiding the need to query the database more than once.

A JWT is composed of a header, a payload, and a signature. The payload contains information called claims which describe the subject to whom the token was issued. A JWT typically looks like the following: xxxxx.yyyyy.zzzzz

Your API keys carry many privileges, so be sure to keep them secret! Do not share your secret API keys in publicly accessible areas such GitHub, client-side code, and so forth.

The authentication to the API is performed via Authorization Bearer Header.

Example of an Authorization query

$ curl \
   -H 'Authorization: Bearer {JWT_TOKEN}'