API Documentation — Lenout AI Platform

Authentication

Include your API key in the Authorization header:

Authorization: Bearer lnai_your_key_here

Get your API key from the Dashboard.

Base URL

https://platform-staging.lenout.com/v1

Chat Completions

OpenAI-compatible chat completion endpoint.

Request

POST /v1/chat/completions
Content-Type: application/json
Authorization: Bearer lnai_your_key_here

{
  "model": "lenout-glm-4-flash",
  "messages": [
    { "role": "system", "content": "You are a helpful assistant." },
    { "role": "user", "content": "Hello!" }
  ],
  "temperature": 0.7,
  "max_tokens": 1024
}

Response

{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 1700000000,
  "model": "lenout-glm-4-flash",
  "choices": [{
    "index": 0,
    "message": {
      "role": "assistant",
      "content": "Hello! How can I help you today?"
    },
    "finish_reason": "stop"
  }],
  "usage": {
    "prompt_tokens": 20,
    "completion_tokens": 10,
    "total_tokens": 30
  }
}

List Models

GET /v1/models
Authorization: Bearer lnai_your_key_here

Error Codes

Code	HTTP Status	Description
invalid_api_key	401	API key is invalid, revoked, or missing.
rate_limited	429	Too many requests. Check Retry-After header.
insufficient_balance	402	Not enough Lencon credits. Top up at lenout.com.
model_not_found	404	Requested model is not available.
invalid_request	400	Request body is malformed.
generation_failed	502	AI provider failed to generate a response.

SDK Examples

Python (OpenAI SDK)

from openai import OpenAI

client = OpenAI(
    base_url="https://platform-staging.lenout.com/v1",
    api_key="lnai_your_key_here"
)

completion = client.chat.completions.create(
    model="lenout-glm-4-flash",
    messages=[{"role": "user", "content": "Hello!"}]
)

print(completion.choices[0].message.content)

Node.js (OpenAI SDK)

import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://platform-staging.lenout.com/v1',
  apiKey: 'lnai_your_key_here'
});

const completion = await client.chat.completions.create({
  model: 'lenout-glm-4-flash',
  messages: [{ role: 'user', content: 'Hello!' }]
});

console.log(completion.choices[0].message.content);

cURL

curl https://platform-staging.lenout.com/v1/chat/completions \
  -H "Authorization: Bearer lnai_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "lenout-glm-4-flash",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Rate Limits

Default: 60 requests per minute per API key. Check the Retry-After header when rate limited.

Billing

Usage is billed in Lencon credits. 1 USD = 10 Lencon. Top up at lenout.com.

See pricing table on the home page for per-model costs.