Intelligence, Simplified.

Chat with AI, build with our API, and bring intelligent experiences to your applications.

Start chatting Explore the API

AI chat

A focused, fast chat experience with streaming answers, Markdown, code highlighting and saved history.

Developer API

An OpenAI-style /v1/chat/completions endpoint with streaming, authenticated by your own API keys.

Easy integration

Call ZennAI from a Telegram bot, a backend service, or any server that can make HTTPS requests.

Usage & accounts

Clear daily limits, per-minute throttling, key management and a usage history in your dashboard.

One API, wherever you build.

Create a key in the developer dashboard and send standard chat messages. Responses follow the familiar Chat Completions format, so existing client code adapts easily.

• JSON or streaming (Server-Sent Events) responses
• Free tier with a daily request limit
• Keys are hashed at rest and revocable anytime

Read the documentation

bash

curl https://api.example.com/v1/chat/completions \
  -H "Authorization: Bearer $ZENNAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "zennai",
    "messages": [{ "role": "user", "content": "Hello, who are you?" }]
  }'