npm i agentline

import { AgentLineClient } from "agentline";

const client = new AgentLineClient({ apiKey: "al_live_..." });

client.agents     // create, list, get, update, delete
client.numbers    // buy, list, get, reassign
client.calls      // create, list, get, getTranscript, hangup, pushContext
client.messages   // send, list, listConversations
client.events     // poll, peek
client.webhooks   // list, set, delete, test
client.billing    // getBalance, getExpenditure, getSummary, ...
client.voice      // list, get, set, reset

import { AgentLineClient } from "agentline";

const client = new AgentLineClient({ apiKey: "al_live_..." });

const agent = await client.agents.create({
    name: "Support Bot",
    systemPrompt: "You are a helpful assistant.",
    initialGreeting: "Hello! How can I help you today?",
});
await client.numbers.buy({ agentId: agent.id, country: "US", areaCode: "415" });

const call = await client.calls.create({ agentId: agent.id, toNumber: "+12125557890" });
await client.calls.hangup(call.id);

console.log(await client.calls.getTranscript(call.id));