What is the Bearer Token in OAuth?



bearer token is a access token implementation defined in the OAuth 2.0 Authorization Framework


The token may be:


Any party in possession of a bearer token (a bearer) can use it to get access to the associated resources (without demonstrating possession of a cryptographic key) because the token is:

  • or is known by the authorization server

Authorization header

You will find it in the authoritzation header of a HTTP request

Authorization: Bearer <token>
Authorization: Bearer some+base64+string



When an authentication is bearer-only, it means that the authentication requires a authorization header

1) 2)

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