Get an API key

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✓ Key generated

API Key
Funding Address (Base L2)
Chain / Token
Credit Balance
⚠ Save your API key now — it cannot be recovered. Store it securely.

Next steps

1. Send USDC to your funding address on Base L2
  USDC on the Base network (chain ID 8453) only.
  Don't send on Ethereum mainnet or other chains — funds will be lost.
  Credits appear after ~12 confirmations (~25 seconds).

2. Use your API key
  Add to any MCP client config, or use directly:
  Authorization: Bearer YOUR_KEY

3. Call any tool
  Each call deducts from your balance. Check it:
  curl https://toll.nanotoll.dev/api/v1/balance -H "Authorization: Bearer YOUR_KEY"

  Full payment guide