Get your Claude API key to enable advanced chess coaching in CheesCoach.
Visit console.anthropic.com and click "Sign up".
Anthropic uses magic links instead of passwords. Check your email and click the verification link. You'll use this method every time you log in.
Enter your full name, confirm you're over 18, and accept the terms of service.
Enter an organization name (can be your personal name).
Try verifying your phone number to get $5 in free credits. This works in many countries but not all. If it doesn't work in your region, you'll need to add a payment method.
If free credits aren't available, go to Settings → Billing → Add credits. Anthropic uses a prepaid system — you buy credits upfront (minimum $5).
Go to Settings → API Keys or visit console.anthropic.com/settings/keys.
Click "+ Create Key", give it a name like "CheesCoach".
sk-ant-...) is only shown ONCE. Copy it immediately!
Open CheesCoach → Settings → AI section → Select "Claude Haiku 4.5" → Configure → Paste your API key.
| Model | Input (1M tokens) | Output (1M tokens) |
|---|---|---|
| Claude Haiku 4.5 Recommended | $1.00 | $5.00 |
| Claude Sonnet 4 | $3.00 | $15.00 |