How to Get Free DeepSeek V4 Pro API Credits

Hunting for free API credits to test DeepSeek V4 Pro? The HCNSEC public gateway gives you free credits right after you sign up with Google — no credit card required.

Beyond DeepSeek V4 Pro 0813 and Flash 0731, the same key works with GLM, Kimi, and MiniMax.

Tutorial

1. Open the HCNSEC site at http://api.hcnsec.cn/ and sign up with Google.
2. Check your dashboard to see the free credits.
3. Copy your API key.
4. Set the Base URL to http://api.hcnsec.cn/.
5. Paste the key into any OpenAI-compatible app.

Wrapping Up

You now have free credits to test several models without pulling out a credit card. Drop your key into any OpenAI-compatible client and start making requests.