API Documentation

One OpenAI-compatible endpoint for DeepSeek, Qwen and GLM. Pay with USDT or a normal card — no Alipay, no Chinese bank account.

Quickstart

curl

curl https://vantixcloud.com/v1/chat/completions \
  -H "Authorization: Bearer $VANTIX_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek-v4-flash","messages":[{"role":"user","content":"Hello"}]}'

Python (openai SDK)

from openai import OpenAI
client = OpenAI(base_url="https://vantixcloud.com/v1", api_key="vx-…")
r = client.chat.completions.create(
    model="deepseek-v4-flash",
    messages=[{"role": "user", "content": "Hello"}],
)
print(r.choices[0].message.content)

Node.js

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://vantixcloud.com/v1", apiKey: "vx-…" });
const r = await client.chat.completions.create({
  model: "deepseek-v4-flash",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(r.choices[0].message.content);

Use with your favourite tools

Anything that supports an "OpenAI-compatible" provider works. Set the base URL, paste your key, pick a model id.

Cline / Roo Code (VS Code)

• API Provider: OpenAI Compatible
• Base URL: https://vantixcloud.com/v1
• API Key: vx-…
• Model ID: deepseek-v4-pro (coding) or deepseek-v4-flash (cheap & fast)

LibreChat

# librechat.yaml
endpoints:
  custom:
    - name: "VantixCloud"
      apiKey: "${VANTIX_KEY}"
      baseURL: "https://vantixcloud.com/v1"
      models:
        default: ["deepseek-v4-flash", "deepseek-v4-pro", "qwen3.7-plus", "glm-5.2"]
        fetch: true
      titleConvo: true
      modelDisplayLabel: "VantixCloud"

Cherry Studio / ChatBox / NextChat

• Provider type: OpenAI
• API Host: https://vantixcloud.com (some apps want the host without /v1; if it fails, try with /v1)
• API Key: vx-…
• Add models manually: deepseek-v4-flash, deepseek-v4-pro, qwen3.8-max, glm-5.2

one-api / new-api (self-hosted gateway)

• Channel type: OpenAI
• Base URL: https://vantixcloud.com
• Key: vx-…
• Models: paste the ids above

LangChain

from langchain_openai import ChatOpenAI
llm = ChatOpenAI(model="deepseek-v4-flash", base_url="https://vantixcloud.com/v1", api_key="vx-…")

Check balance

curl -X POST https://vantixcloud.com/api/keys \
  -H "Content-Type: application/json" \
  -d '{"action":"balance","key":"vx-…"}'

Top up

USDT (TRC20) or card. Payment details are sent with your quote on Telegram.

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