The client credentials flow is the simplest OAuth 2 grant, with a server-to-server exchange of your application's client_id
, client_secret
for an OAuth application access token. In order to execute this flow, your application will send a POST requests with the Authorization header that contains the word Basic
followed by a space and a base64-encoded string client_id:client_secret
.
Authorization: Basic Base64(client_id:client_secret)
Production: POST https://api.dwolla.com/token
Sandbox: POST https://api-sandbox.dwolla.com/token
Including the Content-Type: application/x-www-form-urlencoded
header, the request is sent to the token endpoint with grant_type=client_credentials
in the body of the request:
Parameter | Required | Type | Description |
---|---|---|---|
client_id | yes | string | Application key. Navigate to https://dashboard.dwolla.com/applications (production) or https://dashboard-sandbox.dwolla.com/applications-legacy (Sandbox) for your application key. |
client_secret | yes | string | Application secret. Navigate to https://dashboard.dwolla.com/applications (production) or https://dashboard-sandbox.dwolla.com/applications-legacy (Sandbox) for your application secret. |
grant_type | yes | string | This must be set to client_credentials . |
Parameter | Description |
---|---|
access_token | A new access token that is used to authenticate against resources that belong to the app itself. |
expires_in | The lifetime of the access token, in seconds. Default is 3600. |
token_type | Always bearer . |
POST https://api-sandbox.dwolla.com/token
Authorization: Basic YkVEMGJMaEFhb0pDamplbmFPVjNwMDZSeE9Eb2pyOUNFUzN1dldXcXUyeE9RYk9GeUE6WEZ0bmJIbXR3dXEwNVI1Yk91WmVOWHlqcW9RelNSc21zUU5qelFOZUFZUlRIbmhHRGw=
Content-Type: application/x-www-form-urlencoded
grant_type=client_credentials
{
"access_token": "SF8Vxx6H644lekdVKAAHFnqRCFy8WGqltzitpii6w2MVaZp1Nw",
"token_type": "bearer",
"expires_in": 3600
}
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