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# Add Affiliate To Affiliate Referral Contract

**Affiliate API Endpoint:**

`https://explodely.com/api/v1/aff`

**Parameters:**

To add an affiliate to an affiliate referral contract on Explodely, send below parameters as POST to the affiliate API endpoint.

username - Your Explodely account username

apikey - Your Explodely account API key

apiaction - This should always be set as "addafftoaffcontract"

contractid - Explodely affiiate referral contract ID

affid - Expodely affiliate account username which will be added to the contract as referral

Responses:

The API endpoint returns a JSON object.

`{"error":"invalidapikey"}` - This is returned when the API key and username is not authenticated.

`{"error":"invalid_contractid"}` - This is returned when the provided contract ID is invalid.

`{"error":"invalid_affid"}` - This is returned when the provided aff ID is invalid.

`{"error":"affid_exists"}` - This is returned when the provided aff ID already exists in one of your affiliate contracts.

`{"error":"`unauthorized\_contract\_access`"}` - This is returned when the contract ID provided does not belong to the API account.

`{"added":"ok"}` - This is returned when the affiliate has been successfully added.