eth_sign

Signs a message with the key of an account held by the node, prefixed as an Ethereum signed message.

Ethereum specification · All supported methods

Parameters

Parameters are positional, in the order below.

Parameter	Type	Required	Description
Address	20-byte address	Yes	The account to sign with. The node must hold its key.
Message	Hexadecimal bytes	Yes	The message to sign.

Return value

The signature as hexadecimal bytes.

Example

Replace <gateway-url> with your gateway base URL and <service-url> with the chain’s service path, such as service/ethereum.

curl -X POST "<gateway-url>/<service-url>" \
  -H "Content-Type: application/json" \
  --data '{"jsonrpc":"2.0","id":1,"method":"eth_sign","params":["0xc94770007dda54cF92009BFF0dE90c06F603a09f","0xdeadbeaf"]}'

Illustrative response; values depend on the selected network and request:

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a12d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee1b"
}