Embedded wallets without the lock-in.
Add passkey wallets to your app, with device linking, recovery, and transaction signing. Use managed hosting or discuss an assisted deployment.
EthereumStripe TempoCircle ArcNEARHyperliquidPolygon
Accounts and Wallets API
One passkey creates the account and its wallet. Recovery is built in.
Passkey sign-upA non-custodial wallet in one call
RecoveryEmail or a linked device
import { useSeams } from '@seams/wallet/react';
const { registerWallet } = useSeams();
const result = await registerWallet({
authMethod: {
kind: 'passkey',
rpId: 'wallet.example.com'
},
});
Sessions and Approvals API
One unlock opens a signing session with limits. Transactions that matter wait for the owner.
Signing sessionsAn expiry and a use limit per unlock
ApprovalsThe owner confirms in the wallet
import { transfer, useSeams } from '@seams/wallet/react';
const { unlock, seams } = useSeams();
await unlock(walletId, {
signingSession: { ttlMs: 15 * 60_000, remainingUses: 5 },
});
await seams.near.signAndSendTransaction({
receiverId: "bob.near",
actions: [transfer('1 NEAR')],
});
Failing services flagged as they happen
Export to CSV in one clickCustody and control, built in
Keys split between user device and server.
Limit what apps and agents can sign.
Link by QR. Recover with email or recovery codes.
Apache-2.0 open source with key export.