POST
/
v2
/
evm
/
accounts
/
{address}
/
sign
/
typed-data
curl --request POST \
  --url https://api.cdp.coinbase.com/platform/v2/evm/accounts/{address}/sign/typed-data \
  --header 'Content-Type: application/json' \
  --header 'X-Wallet-Auth: <x-wallet-auth>' \
  --data '{
  "domain": {
    "name": "Permit2",
    "chainId": 1,
    "verifyingContract": "0x000000000022D473030F116dDEE9F6B43aC78BA3"
  },
  "types": {
    "EIP712Domain": [
      {
        "name": "name",
        "type": "string"
      },
      {
        "name": "chainId",
        "type": "uint256"
      },
      {
        "name": "verifyingContract",
        "type": "address"
      }
    ],
    "PermitTransferFrom": [
      {
        "name": "permitted",
        "type": "TokenPermissions"
      },
      {
        "name": "spender",
        "type": "address"
      },
      {
        "name": "nonce",
        "type": "uint256"
      },
      {
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "TokenPermissions": [
      {
        "name": "token",
        "type": "address"
      },
      {
        "name": "amount",
        "type": "uint256"
      }
    ]
  },
  "primaryType": "PermitTransferFrom",
  "message": {
    "permitted": {
      "token": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "amount": "1000000"
    },
    "spender": "0xFfFfFfFFfFFfFFfFFfFFFFFffFFFffffFfFFFfFf",
    "nonce": "123456",
    "deadline": "1717123200"
  }
}'
{
  "signature": "0x1b0c9cf8cd4554c6c6d9e7311e88f1be075d7f25b418a044f4bf2c0a42a93e212ad0a8b54de9e0b5f7e3812de3f2c6cc79aa8c3e1c02e7ad14b4a8f42012c2c01b"
}

Headers

​
X-Wallet-Auth
string
required

A JWT signed using your Wallet Secret, encoded in base64. Refer to the Generate Wallet Token section of our Authentication docs for more details on how to generate your Wallet Token.

​
X-Idempotency-Key
string

An optional UUID v4 request header for making requests safely retryable. When included, duplicate requests with the same key will return identical responses. Refer to our Idempotency docs for more information on using idempotency keys.

Required string length: 36

Path Parameters

​
address
string
required

The 0x-prefixed address of the EVM account.

Body

application/json

The message to sign using EIP-712.

Response

200
application/json

Successfully signed typed data.

The response is of type object.