Building a Zero-Cost LLM API Rotation Stack

The idea Side projects deserve reliable LLM access too. Combine three generous free tiers—Aiven-hosted MySQL, a Docker-powered Hugging Face Space, and the open-source gpt-load gateway—to assemble a lightweight backend that rotates API keys and balances rate limits without extra spend. High-level flow: Client request │ ├─> Hugging Face Space (gpt-load container) │ └─ Reads the key pool from Aiven MySQL └─< LLM response after rotation Step 1: Provision Aiven MySQL https://aiven.io/ ...

August 3, 2025 Â· 2 min Â· 426 words