Create a Merchant

Creates a new merchant. Optionally accepts a reference field as an external identifier, which can be used for filtering.

Key Features:

Webpayments Token Generation:

The webpayments_token (also known as hosted_payments_token) is required for using Stax.js for client-side payment method tokenization.

This token is autogenerated but can be customized by providing a different value during creation (e.g., "partnername-12345678909876").