Guides · APRF practice notes
Cost Control Guides
Stop denial-of-wallet and surprise invoices. Aligns with APRF Cost Optimization gates.
Spend ceilings and bill spikes — APRF Cost domain.
For budgets and anomaly detection, see FinOps guides.
- Why Is My AI API Bill So High?
Your OpenAI, Anthropic, or Gemini bill spiked. Here are the most common causes—exposed keys, abuse, inefficient prompts—and how to fix them.
- AWS Bill Suddenly High? What to Check First
An unexpected AWS bill can ruin your month. Here's a practical checklist to find the cause—and how to prevent it from happening again.
- Why Is My AWS Lambda Bill High?
Your Lambda bill spiked. Runaway invocations, high memory, recursive triggers. Here's how to find and fix it.
- Gemini API Key Misuse: Cost Issue and How to Fix
Your Gemini API bill exploded. Here's how to stop the bleed, rotate keys, and prevent future misuse.
- How to Limit AI API Usage Cost
AI API bills can explode overnight. Here's how to cap usage per user, set quotas, and monitor spend before it's too late.
- OpenAI API Cost Suddenly High? Why and How to Fix
Your OpenAI bill jumped. Here's what to check first: leaked keys, abuse, missing rate limits, or traffic spikes.
Next: Cost Optimization
Open the related pillar specification for mandatory checks, artifacts, and pass conditions. Self-attest is optional.