Claude API $5 – 7 Days

One private Claude API key with $5 of usage, valid for 7 days. Delivered instantly to your order after payment. Works in Claude Code, Cursor, Cline, Roo Code, Kilo Code, Continue, n8n and any Anthropic or OpenAI compatible app.
What you get
Your own private API key (starts with sk-), ready to use.
$5 of usage, charged per token. Short tasks use very little.
Valid for 7 days from delivery.
Live balance page to see what is left, what you used and when it ends.
Full warranty for the whole period: if the key stops working, we replace it.
Models and prices
Claude Opus 5.5 (most capable): model ID claude-opus-5-5. $5.00 per 1M input tokens, $25.00 per 1M output tokens.
Claude Sonnet 5.5 (fast, best value): model ID claude-sonnet-5-5. $2.00 per 1M input tokens, $10.00 per 1M output tokens.
Endpoints
Base URL (OpenAI compatible):
Base URL (Claude Code / Anthropic):
Chat: POST /v1/chat/completions
Claude messages: POST /v1/messages
List models: GET /v1/models
Authentication: header Authorization: Bearer YOUR_KEY (or x-api-key for Claude apps)
How to set it up
Copy your key from your order.
Claude Code: set the Base URL to (variable ANTHROPIC_BASE_URL) and your key as ANTHROPIC_API_KEY. Then pick the model claude-sonnet-5-5 or claude-opus-5-5.
Cursor, Cline, Roo Code, Kilo Code, n8n: choose OpenAI Compatible. Base URL: Paste your key. Model: claude-sonnet-5-5.
Check it works: open api./check and paste your key.
Good to know
Keep your key private. Anyone with it can use your balance.
Check your balance anytime at api./check.
Need help setting it up? Message support and we will guide you.