DeepSeek · Qwen · GLM · and more — all in one API
Every great model. One API.
Pay less. Build more. No lock-in.
One OpenAI-compatible endpoint. Free models available instantly — no credit card required. Unlock all models with pay-as-you-go credits.
quickstart.py
from openai import OpenAI
client = OpenAI(
api_key="zyn-your-key-here",
base_url="https://api.zynthii.com/v1",
)
response = client.chat.completions.create(
model="deepseek-ai/DeepSeek-V3",
messages=[{"role": "user", "content": "Hello!"}],
)Why Zynthii AI
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OpenAI-Compatible API
Drop-in replacement. Change one line of code, access China's best models instantly.
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No Chinese Account Needed
Sign up with email. Pay with credit card. Start calling APIs in under 2 minutes.
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Auto Failover & Key Pooling
We rotate upstream keys automatically. No more 429 errors killing your production app.
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Up to 10x Cheaper
Access frontier-level models at a fraction of OpenAI pricing. Same performance, less spend.