Affiliate Webhook (Single File)

Use one of the following:

To send from your landing page, POST fields to /webhook.php:

first_name, last_name, email, phone, country_code, tracking (opt), source (opt), extra (JSON or extra_* pairs)

Note: If the partner returns 404 Not Found, adjust PARTNER_STORE_PATH at the top of this file. If you see 401 Unauthorized, confirm the required source string with the partner and that your token is active/whitelisted.