SDK · t3rn smart-contract hub

Three lines.
Any chain → any chain.

The TypeScript SDK takes care of gas, hops, and proofs so your contracts can act across chains as if they were one. Full reference and recipes ship under /build/sdk.

@t3rn/sdk · v2.4
MIT · open source
// 3 lines, any chain → any chain
import { t3rn } from '@t3rn/sdk';

const order = await t3rn.submit({
  from: 'ethereum',
  to:   'base',
  amount: 1.25,
});

// crosschain proof attaches automatically
await order.verify();
Bundle size
8.4 kb gzip
EVM chains
56 supported
Median fill time
3.1s P50
Open the hub

The SDK sits on the t3rn contract suite.

Full reference, recipe cookbook, agents framework, integration tests — everything ships under the portal's build hub.