curl --request POST \
  --url https://api.pay.walletconnect.com/v1/gateway/payment/{id}/options \
  --header 'Api-Key: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "accounts": [
    "eip155:8453:0x123"
  ],
  "refresh": null
}
'

{
  "collectData": {
    "fields": [
      {
        "id": "fullName",
        "name": "Full name",
        "required": true,
        "type": "text"
      },
      {
        "id": "dob",
        "name": "Date of birth",
        "required": true,
        "type": "date"
      }
    ],
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "anyOf": [
        {
          "required": [
            "pobCountry",
            "pobAddress"
          ]
        },
        {
          "required": [
            "porCountry",
            "porAddress"
          ]
        }
      ],
      "properties": {
        "dob": {
          "description": "Date of birth in YYYY-MM-DD format",
          "format": "date",
          "title": "Date of Birth",
          "type": "string"
        },
        "fullName": {
          "description": "User's full legal name",
          "minLength": 1,
          "title": "Full Name",
          "type": "string"
        },
        "pobAddress": {
          "description": "Place of birth city and state (e.g., 'New York, NY')",
          "maxLength": 200,
          "title": "Place of Birth Address",
          "type": "string"
        },
        "pobCountry": {
          "description": "Place of birth country code (ISO 3166-1 alpha-2)",
          "pattern": "^[A-Z]{2}$",
          "title": "Place of Birth Country",
          "type": "string"
        },
        "porAddress": {
          "description": "Place of residence street address, city, and state",
          "maxLength": 200,
          "title": "Place of Residence Address",
          "type": "string"
        },
        "porCountry": {
          "description": "Place of residence country code (ISO 3166-1 alpha-2)",
          "pattern": "^[A-Z]{2}$",
          "title": "Place of Residence Country",
          "type": "string"
        },
        "tosConfirmed": {
          "const": true,
          "description": "Must be true to confirm Terms of Service acceptance",
          "title": "Terms of Service Confirmation",
          "type": "boolean"
        }
      },
      "required": [
        "fullName",
        "dob",
        "tosConfirmed"
      ],
      "type": "object"
    },
    "url": "https://data-collection.walletconnect.com/ic/pay_123?accounts=eip155:1:0x123"
  },
  "info": {
    "amount": {
      "display": {
        "assetName": "USD Coin",
        "assetSymbol": "USDC",
        "decimals": 6,
        "iconUrl": "https://assets.walletconnect.com/usdc.png",
        "networkIconUrl": "https://assets.walletconnect.com/base.png",
        "networkName": "Base"
      },
      "unit": "caip19/eip155:8453/erc20:0x0000000000000000000000000000000000000000",
      "value": "1000000"
    },
    "buyer": {
      "accountCaip10": "eip155:1:0x0000000000000000000000000000000000000000",
      "accountProviderIcon": "https://example.com/icon.png",
      "accountProviderName": "Wallet"
    },
    "expiresAt": 1700000000,
    "merchant": {
      "iconUrl": "https://example.com/icon.png",
      "name": "Merchant"
    },
    "status": "requires_action"
  },
  "options": [
    {
      "account": "eip155:1:0x0000000000000000000000000000000000000000",
      "actions": [
        {
          "data": {
            "chain_id": "eip155:8453",
            "method": "eth_signTypedData_v4",
            "params": [
              "0x0000000000000000000000000000000000000000",
              "{\"domain\":{\"name\":\"USD Coin\",\"version\":\"2\",\"chainId\":\"0x2105\",\"verifyingContract\":\"0x0000000000000000000000000000000000000000\"},\"types\":{\"EIP712Domain\":[{\"type\":\"string\",\"name\":\"name\"},{\"type\":\"string\",\"name\":\"version\"},{\"type\":\"uint256\",\"name\":\"chainId\"},{\"type\":\"address\",\"name\":\"verifyingContract\"}],\"ReceiveWithAuthorization\":[{\"type\":\"address\",\"name\":\"from\"},{\"type\":\"address\",\"name\":\"to\"},{\"type\":\"uint256\",\"name\":\"value\"},{\"type\":\"uint256\",\"name\":\"validAfter\"},{\"type\":\"uint256\",\"name\":\"validBefore\"},{\"type\":\"bytes32\",\"name\":\"nonce\"}]},\"primaryType\":\"ReceiveWithAuthorization\",\"message\":{\"from\":\"0x0000000000000000000000000000000000000000\",\"nonce\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"to\":\"0x0000000000000000000000000000000000000000\",\"validAfter\":\"0x0\",\"validBefore\":\"0x0\",\"value\":\"0x0\"}}"
            ]
          },
          "type": "walletRpc"
        }
      ],
      "amount": {
        "display": {
          "assetName": "USD Coin",
          "assetSymbol": "USDC",
          "decimals": 6,
          "iconUrl": "https://assets.walletconnect.com/usdc.png",
          "networkIconUrl": "https://assets.walletconnect.com/base.png",
          "networkName": "Base"
        },
        "unit": "caip19/eip155:8453/erc20:0x0000000000000000000000000000000000000000",
        "value": "1000000"
      },
      "collectData": {
        "fields": [
          {
            "id": "fullName",
            "name": "Full name",
            "required": true,
            "type": "text"
          },
          {
            "id": "dob",
            "name": "Date of birth",
            "required": true,
            "type": "date"
          }
        ],
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "anyOf": [
            {
              "required": [
                "pobCountry",
                "pobAddress"
              ]
            },
            {
              "required": [
                "porCountry",
                "porAddress"
              ]
            }
          ],
          "properties": {
            "dob": {
              "description": "Date of birth in YYYY-MM-DD format",
              "format": "date",
              "title": "Date of Birth",
              "type": "string"
            },
            "fullName": {
              "description": "User's full legal name",
              "minLength": 1,
              "title": "Full Name",
              "type": "string"
            },
            "pobAddress": {
              "description": "Place of birth city and state (e.g., 'New York, NY')",
              "maxLength": 200,
              "title": "Place of Birth Address",
              "type": "string"
            },
            "pobCountry": {
              "description": "Place of birth country code (ISO 3166-1 alpha-2)",
              "pattern": "^[A-Z]{2}$",
              "title": "Place of Birth Country",
              "type": "string"
            },
            "porAddress": {
              "description": "Place of residence street address, city, and state",
              "maxLength": 200,
              "title": "Place of Residence Address",
              "type": "string"
            },
            "porCountry": {
              "description": "Place of residence country code (ISO 3166-1 alpha-2)",
              "pattern": "^[A-Z]{2}$",
              "title": "Place of Residence Country",
              "type": "string"
            },
            "tosConfirmed": {
              "const": true,
              "description": "Must be true to confirm Terms of Service acceptance",
              "title": "Terms of Service Confirmation",
              "type": "boolean"
            }
          },
          "required": [
            "fullName",
            "dob",
            "tosConfirmed"
          ],
          "type": "object"
        },
        "url": "https://data-collection.walletconnect.com/ic/pay_123?accounts=eip155:1:0x123"
      },
      "etaS": 5,
      "expiresAt": 1700000300,
      "id": "opt_123"
    }
  ]
}