> ## Documentation Index
> Fetch the complete documentation index at: https://circle-devdocs-test-ai-codegen-component.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Sign transaction

> Sign a transaction from a specific developer-controlled wallet.

NOTE: This endpoint is only available for the following chains: `SOL`, `SOL-DEVNET`, `NEAR`, `NEAR-TESTNET`, `EVM`, `EVM-TESTNET`. Each chain defines its own standard, please refer to [Signing APIs doc](/wallets/signing-apis).