Optionalstore_The store whose pricing rules may cover the URL. When the URL is not yet
registered, the store has verified its domain, and one of its pricing rules
matches, the API registers the URL on this request and answers
verified: true.
Absolute URL of the page to verify (e.g. https://theirsite.com/articles/slug).
A missing or invalid URL is not an error: the API answers verified: false.
Query parameters accepted by
GET /v1/x402/verify-origin.