import Nuntly from '@nuntly/sdk';

const client = new Nuntly({
  apiKey: process.env['NUNTLY_API_KEY'], // This is the default and can be omitted
});

const agentState = await client.agents.state.upsert('x', { state: { foo: 'bar' } });

console.log(agentState.id);

{
  "data": {
    "id": "<string>",
    "createdAt": "<string>",
    "agentId": "<string>",
    "inboxId": "<string>",
    "threadId": "<string>",
    "state": {},
    "summary": "<string>",
    "updatedAt": "<string>"
  }
}