Developer center

Change one base_url.
Drop 30% in cost.

TokensChain is fully OpenAI-SDK compatible. Get multi-cloud routing, semantic caching and compliance moderation without rewriting code.

Quickstart

Integrate in 3 steps

1
Sign up
After KYC you automatically receive 1M free tokens.
2
Get your API key
Create one in the console under "API keys" and store it safely.
3
Call the API
Point base_url to https://api.tokenschain.io/v1 and you're live.

Python / Node.js / Go / Java SDKs
Streaming (SSE) and function calling
Enterprise invoicing & tax support
Deep China compliance with data sovereignty

Open quickstart API reference

python

from openai import OpenAI

client = OpenAI(
    base_url="https://api.tokenschain.io/v1",
    api_key="sk-...",
)

resp = client.chat.completions.create(
    model="qwen3-max",
    messages=[{"role": "user", "content": "Analyze this earnings report..."}],
)
print(resp.choices[0].message.content)

Core endpoints

OpenAI compatible — no business-code changes.

Full API reference

Method	Path	Description
POST	/v1/chat/completions	Chat completions with stream / tools / vision
POST	/v1/completions	Text completions (legacy models)
POST	/v1/embeddings	Embeddings: BGE / M3E / OpenAI models
POST	/v1/rerank	Reranking to improve RAG recall
POST	/v1/images/generations	Text-to-image: Flux / SD3 / Tongyi Wanxiang
POST	/v1/audio/transcriptions	Speech-to-text (Whisper / Paraformer)
GET	/v1/models	List available models and pricing