personal_unlockAccount

Unlocks an account in the node’s keystore so the node can sign with it without a passphrase.

Geth reference · All supported methods

Parameters

Parameters are positional, in the order below.

Parameter	Type	Required	Description
Address	20-byte address	Yes	The account to unlock.
Passphrase	String	Yes	The account’s passphrase.
Duration	Number	No	Seconds to keep the account unlocked; the node’s default if omitted.

Return value

true if the account was unlocked.

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":"personal_unlockAccount","params":["0xc94770007dda54cF92009BFF0dE90c06F603a09f","<passphrase>",300]}'

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": true
}