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Web3 Services
API Overview
Configurations
Developer-Controlled Wallets
Smart Contract Platform
User-Controlled Wallets
Compliance Engine
Create a challenge to sign message
POSThttps://api.circle.com/v1/w3s/user/sign/message
Generates a challenge for signing the EIP-191 message from a specified user-controlled wallet. Please note that not all the Dapps currently support Smart Contract Account (SCA), the difference between EOA and SCA can be found in the account types guide, and you can check the list of Dapps that support SCA: https://eip1271.io/.
Header parameters
X-User-Token
string
Required
Unique system generated JWT session token for specific user.
Body parameters
message
string
Required
The user friendly message that needs to be signed. If it is a hex string, encodedByHex needs to be TRUE. The hex string should start with “0x” and have even length.
walletId
uuid
Required
System-generated unique identifier of the resource.
encodedByHex
boolean
Indicator of whether the input message is encoded by hex. If TRUE, then the message should be a hex string. By default, it is False.
memo
string
The human readable explanation for this sign action. Useful for presenting with extra information.
Response
RequestChoose a language
ResponseChoose an example
1{
2 "data": {
3 "challengeId": "c4d1da72-111e-4d52-bdbf-2e74a2d803d5"
4 }
5}Did this page help you?
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