Vercel Chat SDK Adapter

pnpm add @telnyx/chat-sdk-adapter chat

pnpm add @chat-adapter/state-memory

import { createTelnyxAdapter } from "@telnyx/chat-sdk-adapter";
import { createMemoryState } from "@chat-adapter/state-memory";
import { Chat } from "chat";

const telnyx = createTelnyxAdapter({
  messagingProfileId: "40017a7b-...", // recommended — see "Dedicated messaging profile"
  // apiKey:      "KEY..."              // or set TELNYX_API_KEY
  // phoneNumber: "+15551234567"        // or set TELNYX_FROM_NUMBER
  // publicKey:   "vFo7Hk..."           // or set TELNYX_PUBLIC_KEY
});

const chat = new Chat({
  userName: "sms-bot",
  adapters: { telnyx },
  state: createMemoryState(),
});

chat.onNewMention(async (thread, message) => {
  await thread.subscribe();
  await thread.post(`Got your text: ${message.text}`);
});

chat.onSubscribedMessage(async (thread, message) => {
  await thread.post(`Reply: ${message.text}`);
});

await chat.initialize();

// app/api/webhooks/telnyx/route.ts (Next.js App Router)
export async function POST(request: Request) {
  return chat.webhooks.telnyx(request);
}

interface TelnyxAdapterConfig {
  apiKey?: string;
  phoneNumber?: string;            // E.164
  publicKey?: string;              // base64 or hex, auto-detected
  messagingProfileId?: string;     // strongly recommended (see below)
  userName?: string;
  extraTags?: string[];            // merged into outbound `tags` array
  disableAttributionTags?: boolean;
  logger?: Logger;
}

const telnyx = createTelnyxAdapter({
  extraTags: ["env:prod", "team:support"],
  // disableAttributionTags: true,
});