Generate Access Token (Client Credentials)

Endpoint:
POST /relid/authserver/oauth/token

Description:
Generates an access token for machine-to-machine communication using the client credentials grant type. Typically used when there is no end-user context (e.g., backend services).

🔐 Authentication

Type: Basic Auth
Header Format: Authorization: Basic <base64(client_id:client_secret)>

📥 Request Headers

Header	Value
Authorization	Basic authentication credentials
Content-Type	application/x-www-form-urlencoded
Accept	application/json

📤 Request Body (Form URL Encoded)

Field	Type	Required	Description
`grant_type`	string	Yes	Must be `client_credentials`
`scope`	string	Yes	Requested scope (e.g., `all`)

📥 Query Parameters

No query parameters.

📬 Response Fields

Field	Type	Description
`access_token`	string	The generated OAuth2 access token
`token_type`	string	Type of token issued (typically Bearer)
`expires_in`	number	Expiry time in seconds
`scope`	string	Scopes assigned to this token

📘 Example Request (cURL)

curl 'https://auth.relid.com:8006/relid/authserver/oauth/token' \
  -u '<client_id>:<client_secret>' \
  -X POST \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'Accept: application/json' \
  -d 'grant_type=client_credentials&scope=all'

📘 Example Response

{
  "access_token": "eyJraWQiOiIzNTg5MDE3MS1hMmIwLTQy...",
  "token_type": "Bearer",
  "expires_in": 299,
  "scope": "all"
}

📝 Notes

Ensure your client credentials (client_id and secret) are securely stored.
Use this token to authorize other REL-ID API calls by passing it as a Bearer token in the Authorization header.
NOTE: Request parameters are expected in the request body only. Any parameters in the URL will be ignored.

Updated 10 months ago