curl --request GET \
  --url https://api.pinata.cloud/v3/x402/payment_instructions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "version": 123,
    "payment_requirements": [
      {
        "asset": "<string>",
        "pay_to": "<string>",
        "network": "base",
        "max_amount_required": "<string>",
        "description": "<string>"
      }
    ],
    "name": "<string>",
    "description": "<string>",
    "created_at": "2023-11-07T05:31:56Z"
  }
}