To send information about a ramp provider affiliate in your payment request, provide the following fields:
| Field | Format | Example value |
| processing.affiliate_id — your unique identifier for the affiliate. | string <= 15 characters | "ukaffiliate" |
| processing.purchase_country — Note: required to inform Visa of the affiliate’s country (either the same as, or different to the merchant’s country). | string = 2 characters | "GB" |
| processing.affiliate_url | string | "www.mycrypto.com" |