wallet_prepareSign

POST

https://api.g.alchemy.com/v2/:apiKey

POST

/v2/:apiKey

1 curl -X POST https://api.g.alchemy.com/v2/{apiKey} \
2      -H "Content-Type: application/json" \
3      -d '{
4   "jsonrpc": "2.0",
5   "method": "wallet_prepareSign",
6   "params": [
7     [
8       {
9         "from": "0xa363219d7C0b8673df17529D469Db9eFF0f35D2A",
10         "chainId": "0x01",
11         "signatureRequest": {
12           "type": "personal_sign",
13           "data": {
14             "raw": "0x48656c6c6f20576f726c6421"
15           }
16         }
17       }
18     ]
19   ],
20   "id": 1
21 }'

Try it

200Successful

1 {
2   "jsonrpc": "2.0",
3   "id": "1",
4   "result": {
5     "chainId": "0x66eee",
6     "signatureRequest": {
7       "type": "eth_signTypedData_v4",
8       "data": {
9         "domain": {
10           "chainId": 421614,
11           "verifyingContract": "0xafdABa1E09e82F780721963eba39bA9e6d9FE4d2"
12         },
13         "types": {
14           "ReplaySafeHash": [
15             {
16               "name": "hash",
17               "type": "bytes32"
18             }
19           ]
20         },
21         "primaryType": "ReplaySafeHash",
22         "message": {
23           "hash": "0xec3608877ecbf8084c29896b7eab2a368b2b3c8d003288584d145613dfa4706c"
24         }
25       }
26     }
27   }
28 }

This method is used to translate raw data into a signature request

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.

prepareSignRequestobjectRequired

Response

This endpoint returns an object.

chainIdstringformat: "^0x(.*)$"

signatureRequestobject