{
  "operationId": "generate_cross_chain_listing_fulfillment_data",
  "method": "POST",
  "path": "/api/v2/listings/cross_chain_fulfillment_data",
  "request": {
    "requestBody": {
      "listings": [
        {
          "hash": "string",
          "chain": "string",
          "protocol_address": "string"
        }
      ],
      "fulfiller": {
        "address": "string"
      },
      "payment": {
        "chain": "base",
        "token_address": "0x0000000000000000000000000000000000000000"
      },
      "recipient": "string"
    }
  },
  "response": {
    "200": {
      "transactions": [
        {
          "chain": "ethereum",
          "to": "string",
          "data": "string",
          "value": "string"
        }
      ]
    }
  }
}