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The Blockradar API uses API keys to authenticate all requests. Every API key is scoped to a specific master wallet.

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Sending your API key

Include your API key in the x-api-key header on every request: 
curl https://api.blockradar.co/v1/wallets   -H "x-api-key: YOUR_API_KEY"
Never expose your API key in client-side code, public repositories, or logs. Treat it like a password.

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Getting your API keys

  1. Log in to the Blockradar dashboard
  2. Navigate to your master wallet settings
  3. Copy your API key from the API Keys section

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Key scoping

Each API key is tied to a single master wallet. If you operate multiple wallets across different networks, you will have a separate key per wallet.

Full API Reference

View the authentication reference in the API Reference tab.