GPT API · VND
GPT API Vietnam — OpenAI SDK, pay in VND
APIVN provides an OpenAI-compatible API (https://apivn.dev/v1) for Cursor, Codex and agents, with VND funding via VietQR. Check GPT pricing by model ID at /pricing; some models are billed per request. The catalogue contains 118 models (Claude, OpenAI, Gemini, Google, DeepSeek, Qwen, GLM, Kimi, Grok, MiniMax & Seedance).
Create a free key · See pricing · Claude API Vietnam · AI API Vietnam
Why use GPT API through a Vietnam gateway?
- Pay in VND / VietQR — no international card required.
- Use OpenAI SDK with an API key, base URL https://apivn.dev/v1 and a supported model ID; each tool has its own setup.
- One wallet for GPT + Claude + Gemini + DeepSeek + Qwen…
- Token, cost, and latency logged per request — export CSV.
Set up OpenAI SDK
When sending a request, use a supported model ID from /pricing. Follow the full guide to choose the API and request format.
from openai import OpenAI client = OpenAI( base_url="https://apivn.dev/v1", api_key="sk-stali-...", )
Read the API docs · /docs · Application guides
Frequently asked questions (GPT API VN)
Which endpoint does GPT API Vietnam use?
Use base URL https://apivn.dev/v1 and the header Authorization: Bearer <API key>. Configure the API key and model ID using the guide for Cursor, Codex CLI, n8n, LangChain or OpenAI SDK; setup differs by tool.
How is this GPT API different from official OpenAI?
Prepay a VND balance via VietQR and use GPT together with Claude and Gemini on one gateway. GPT prices are listed by model ID at /pricing; distinguish token pricing from per-request pricing.
Can I get a VAT invoice when using the GPT API?
APIVN supports prepaid payment under the public policy on the site.
Ready to call GPT through a Vietnam API? Top up from 50,000 VND and start.

