FC SAS Token · by Fengchao SurgesDeepSeek API Access
Open-weight reasoning model, strong at code and math。DeepSeek is a large language model family from DeepSeek AI, known for solid reasoning, math and coding ability, and among the most widely used open models in the Chinese developer community.
What DeepSeek is good at
- Deep reasoning with long chain-of-thought
- Strong code generation and math
- Active open-source ecosystem, solid Chinese
Access DeepSeek through FC SAS Token
- Sign up or log in at the console；
- Top up with WeChat Pay - balance is credited at
1 CNY = 68493 quota； - Create an API token (
sk-...)； - Call
https://api.fcsas.cn/v1/chat/completionsin OpenAI-compatible format with the DeepSeek model id inmodel； - Track usage and spend in the console in real time.
Why run DeepSeek on FC SAS Token
- One API key across many leading models
- Billing inside WeChat Pay, clean reconciliation
- Unified token metering with transparent rates
- China-compliant, built for domestic workloads
Good fit for
- Building an AI app or agent that needs model fallbacks
- Solo developers tired of one account and one top-up per vendor
- Teams that need auditable, traceable API billing
FAQ
Sign up, top up, create an API token, then call https://api.fcsas.cn/v1/chat/completions in OpenAI-compatible format with the DeepSeek model id in the model field. No inference stack to run yourself.
Everything is metered in tokens: 1 CNY = 68493 quota. Top up inside WeChat Pay and track spend in the console in real time - estimate first with the token calculator.
No. FC SAS Token is built for China-based workloads: registration, top-up and inference all run on local compliant rails, and WeChat Pay is enough.