Spark BTC
signMessageWithIdentityKey
Sign a message using the Spark wallet’s identity key.
POST
Documentation Index
Fetch the complete documentation index at: https://docs.privy.io/llms.txt
Use this file to discover all available pages before exploring further.
Headers
ID of your Privy app.
Request authorization signature. If multiple signatures are required, they should be comma
separated.
Request expiry. Value is a Unix timestamp in milliseconds representing the deadline by which the
request must be processed.
Path Parameters
ID of the wallet to get.
These wallet methods are modeled after the Spark Wallet
SDK. For more
information about this wallet method, check out the Spark Wallet
documentation.
Body
Available options:
signMessageWithIdentityKeyAvailable options:
MAINNET, REGTESTReturns
Available options:
signMessageWithIdentityKeyThe signature response object

