API Settings

Your API keys are stored locally in your browser and never sent to any server other than the AI provider you select. Keys are passed through your own Cloudflare Worker.

Deploy the /worker folder to Cloudflare Workers. See README for instructions.
Claude
Anthropic Claude
claude-sonnet-4-5
Get API key →
Gemini
Google Gemini
gemini-1.5-flash
Get API key →
Grok
xAI Grok
grok-beta
Get API key →
Amazon KDP Publishing Tool

Book Title Checker

AI-powered uniqueness analysis + 5-step manual verification

Enter your book title