# Chatex — Zapi reference

> Chatex chat — OpenAI-compatible chat completions.

**Base URL:** `https://api.zpi.web.id`
**Auth:** Send `x-api-key: YOUR_KEY` header on every request. Get a free key at https://zpi.web.id/dashboard/keys.
**Response envelope:** `{ status, message, content }`
**Rate limit:** 60 req/min on free tier.

**Related:**
- Detail page: https://zpi.web.id/api/ai/chatex
- Endpoint catalog: https://zpi.web.id/category/ai
- Concise index: https://zpi.web.id/llms.txt
- Full reference: https://zpi.web.id/llms-full.txt

---

## Chatex

**Category:** ai · **Slug:** `chatex`
**Detail page:** https://zpi.web.id/api/ai/chatex

Chatex chat — OpenAI-compatible chat completions.

**Tags:** chat, ai, llm

### Chatex Chat

OpenAI-compatible chat completions (dual mode stream/non-stream).

- **Method:** `POST`
- **Endpoint:** `https://api.zpi.web.id/v1/ai:chatex/chat`

**Parameters:**

| Name | Type | Location | Required | Description |
|------|------|----------|----------|-------------|
| `messages` | array | body | yes | OpenAI-format messages array. Mendukung multi-turn (riwayat dijaga). `system` role memakai PERSONA OVERRIDE - bisa mengganti identitas default upstream. Min 1 item, harus ada role user. |
| `stream` | boolean | body | no | Stream OpenAI delta SSE. Default false |

**cURL:**
```bash
curl -X POST "https://api.zpi.web.id/v1/ai:chatex/chat" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "messages": [
    {
      "role": "system",
      "content": "Kamu adalah Zapi AI buatan Zapi (Zest API), asisten pintar. Selalu jawab bahasa Indonesia."
    },
    {
      "role": "user",
      "content": "Siapa nama kamu dan pakai model apa?"
    }
  ],
  "stream": true
}'
```

**JavaScript / TypeScript:**
```javascript
const res = await fetch("https://api.zpi.web.id/v1/ai:chatex/chat", {
  method: "POST",
  headers: { "x-api-key": process.env.ZAPI_KEY, "Content-Type": "application/json" },
  body: JSON.stringify({
  "messages": [
    {
      "role": "system",
      "content": "Kamu adalah Zapi AI buatan Zapi (Zest API), asisten pintar. Selalu jawab bahasa Indonesia."
    },
    {
      "role": "user",
      "content": "Siapa nama kamu dan pakai model apa?"
    }
  ],
  "stream": true
})
});
const data = await res.json();
```

**Python:**
```python
import requests
r = requests.post("https://api.zpi.web.id/v1/ai:chatex/chat",
  headers={"x-api-key": "YOUR_API_KEY"},
  json={
  "messages": [
    {
      "role": "system",
      "content": "Kamu adalah Zapi AI buatan Zapi (Zest API), asisten pintar. Selalu jawab bahasa Indonesia."
    },
    {
      "role": "user",
      "content": "Siapa nama kamu dan pakai model apa?"
    }
  ],
  "stream": true
})
data = r.json()
```

**Example response:**
```json
{
  "id": "chatcmpl-2Z4jj1j65Xj4jXzUjQBbQ",
  "model": "openai/gpt-5.4",
  "usage": {
    "total_tokens": 193,
    "prompt_tokens": 159,
    "completion_tokens": 34
  },
  "object": "chat.completion",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Saya **Zapi AI**, asisten pintar buatan **Zapi (Zest API)**.  \nSoal “pakai model apa”, saya menjawab sesuai persona ini: **Zapi AI**."
      },
      "finish_reason": "stop"
    }
  ],
  "created": 1782118433
}
```

---


_Generated: 2026-08-02T14:24:17.749Z_