POST
Request a sign-in message

Body

application/json
address
string
required

The master address, any case.

Pattern: ^0x[0-9a-fA-F]{40}$

Response

The message to sign.

message
string
required

Sign with personal_sign exactly as given. On Aster, the body of the agent approval, signed as typed_data instead.

nonce
string
required
expires_at
string<date-time>
required

RFC 3339 UTC; snapshots and history may keep fractional seconds.

typed_data
object

Aster only: the agent approval as EIP-712 typed data, Message{msg} in Aster's AsterSignTransaction domain for chain 42161. Sign it with eth_signTypedData_v4 within seconds: Aster takes its nonce as fresh. It names LaMarge's agent for the account with every permission false, for 365 days.