Official Node.js and Browser SDK for Coze(or 扣子) API platform.
npm install @coze/api
# or
pnpm install @coze/api
import { CozeAPI, COZE_COM_BASE_URL, ChatStatus } from '@coze/api';
// Initialize client with your Personal Access Token
const client = new CozeAPI({
token: 'your_pat_token', // Get your PAT from https://www.coze.com/open/oauth/pats
baseURL: COZE_COM_BASE_URL,
});
// Simple chat example
async function quickChat() {
const v = await client.chat.createAndPoll({
bot_id: 'your_bot_id',
additional_messages: [{
role: 'user',
content: 'Hello!',
content_type: 'text',
}],
});
if (v.chat.status === ChatStatus.COMPLETED) {
for (const item of v.messages) {
console.log('[%s]:[%s]:%s', item.role, item.type, item.content);
}
console.log('usage', v.chat.usage);
}
}
- 🌐 Full API Support: Covers all Coze Open Platform APIs
- 🔐 Multiple Auth Methods: PAT, OAuth, JWT, OAuth PKCE
- 🔄 Streaming Support: Real-time responses for chat and workflow
- 🌍 Cross-Platform: Works in Node.js (≥14) and modern browsers
- ⚙️ Configurable: Timeout, headers, signal, debug options
- Personal Access Token (Simplest)
const client = new CozeAPI({
token: 'your_pat_token',
baseURL: COZE_COM_BASE_URL, // Use COZE_CN_BASE_URL for China region
});
- Other Auth Methods
- OAuth Web Application
- OAuth PKCE
- JWT
- Device Code Flow
View authentication examples →
import { CozeAPI, ChatEventType } from '@coze/api';
async function streamChat() {
const stream = await client.chat.stream({
bot_id: 'your_bot_id',
additional_messages: [{
role: 'user',
content: 'Hello!',
content_type: 'text',
}],
});
for await (const part of stream) {
if (part.event === ChatEventType.CONVERSATION_MESSAGE_DELTA) {
process.stdout.write(part.data.content); // Real-time response
}
}
}
Feature | Description | Example |
---|---|---|
Chat | Text conversations | chat.mjs |
Bot Management | Create and manage bots | bot.mjs |
Knowledge | Document management | knowledge.mjs |
Workflow | Run workflow | workflow.mjs |
Voice | Speech synthesis | voice.mjs |
# Install dependencies
rush update # If `rush` command is not installed, see ../../README.md
# Run tests
npm run test
cd examples/coze-js-node
cp config.default.js config.js # Edit config.js with your credentials
node chat.mjs
cd examples/coze-js-web
npm run start
For detailed API documentation and guides, visit: