The Signing API lets you sign arbitrary messages and EIP-712 typed data from a Blockradar wallet or child address. This is used for authentication flows, permit-style approvals, and off-chain agreement signing.Documentation Index
Fetch the complete documentation index at: https://docs.blockradar.co/llms.txt
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What you can do
- Sign a plain message from a master wallet or child address
- Sign EIP-712 structured typed data for standards-compliant workflows
Endpoints
| Method | Endpoint | Description |
|---|---|---|
POST | /wallets/{walletId}/sign/message | Sign a message (master wallet) |
POST | /wallets/{walletId}/sign/typed-data | Sign EIP-712 typed data (master wallet) |
POST | /wallets/{walletId}/addresses/{addressId}/sign/message | Sign a message (child address) |
POST | /wallets/{walletId}/addresses/{addressId}/sign/typed-data | Sign EIP-712 typed data (child address) |
Full API Reference
View all signing endpoints in the API Reference tab.