StepFun models on ChinaAPI

Availability

Sign-up is the blocker, not the model.

Chinese model providers run their own developer consoles, but registration, invoicing and identity verification are built for mainland-China entities and phone numbers. Developers outside that boundary frequently cannot finish sign-up at all, whatever the model can do.

ChinaAPI puts these models behind one gateway account, so the open questions become price and payload shape instead of eligibility. This page states what is available and what it costs; it makes no quality or ranking claim, because no published benchmark evidence supports one yet.

Quickstart

Copy-paste API request.

Swap the model identifier for any row in the table above. Nothing else in the request changes between vendors.

Store the key in an environment variable and keep it out of source control.

curl -X POST https://api.chinaapi.ai/v1/chat/completions \
  -H "Authorization: Bearer $CHINAAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "step-1o-audio",
    "messages": [{"role": "user", "content": "Hello from ChinaAPI"}]
  }'