curl --request POST \
  --url https://api.pinata.cloud/v3/x402/payment_instructions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "description": "<string>",
  "payment_requirements": [
    {
      "asset": "<string>",
      "pay_to": "<string>",
      "network": "base",
      "description": "<string>",
      "max_amount_required": "<string>"
    }
  ]
}'

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