backchannelAuthenticationGrantRequest.md

Function: backchannelAuthenticationGrantRequest()

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▸ backchannelAuthenticationGrantRequest(as, client, clientAuthentication, authReqId, options?): Promise<Response>

Performs a Backchannel Authentication Grant request at the as.token\_endpoint.

Parameters

Parameter	Type	Description
as	AuthorizationServer	Authorization Server Metadata.
client	Client	Client Metadata.
clientAuthentication	ClientAuth	Client Authentication Method.
authReqId	string	Unique identifier to identify the authentication request. This is the auth\_req\_id retrieved from processBackchannelAuthenticationResponse.
options?	TokenEndpointRequestOptions	-

Returns

Promise<Response>

Resolves with a Response to then invoke processBackchannelAuthenticationGrantResponse with

See

• OpenID Connect Client-Initiated Backchannel Authentication
• RFC 9449 - OAuth 2.0 Demonstrating Proof-of-Possession at the Application Layer (DPoP)