Signing & Transactions

One signer for
every wallet action.

EVM messages, typed data, transactions, userOps and Solana payloads route through the same authenticated, policy-checked path.

DocsGet started
sign.ts
import { useSignTypedData }
  from '@kevo-ws/sdk/react'

const { signTypedData, isLoading }
  = useSignTypedData()

const sig = await signTypedData(
  JSON.parse(typedDataJson),
)
Kevo eip712Image card

Typed data, made first-class.

Pass EIP-712 domains and messages directly. Kevo applies auth and policy checks, then returns a standard signature for your app or contracts.

  • EIP-712 typed data
  • Policy-checked before signing
  • Works with viem, ethers, wagmi
Read signing docs
sign.ts
import { sendTransaction }
  from '@kevo-ws/sdk'

const txHash = await sendTransaction({
  to: '0xRecipient...',
  value: '0x2386f26fc10000',
  chainId: 8453,
})

Send transactions without the popup.

Sign and broadcast in one call, or split signing from submission for relayed flows. Smart-account aware, with optional gas sponsorship.

  • EOA and userOp transactions
  • Sponsored gas, when configured
  • Signed transactions and userOps
See examples
sign.ts
import { useSignTypedData }
  from '@kevo-ws/sdk/react'

const { signTypedData, isLoading }
  = useSignTypedData()

const sig = await signTypedData(
  JSON.parse(typedDataJson),
)

A single SDK across stacks.

Use the React hooks for client flows, or call the admin API from your backend. Same user, same wallets, same policies — both sides of the wire.

  • React hooks and vanilla JS client
  • Server SDK with admin signing
  • Identical policy enforcement
Browse the API

One signer

Less wallet UX. More product.

Stop juggling popups, gas dialogs and chain switches. Kevo gives you signing primitives that just work.

DocsGet started