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Authentication

Most endpoints work without authentication. To get higher rate limits, include your API key in the X-API-Key header. 
curl https://api.dotlookup.dev/v1/carriers/12345 \
  -H "X-API-Key: your_api_key_here"
The POST /v1/carriers/bulk endpoint requires an API key. All other endpoints are accessible without one.

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Getting an API Key

Sign up from the DotLookup Dashboard or via the API: 
curl -X POST https://api.dotlookup.dev/v1/auth/signup \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com", "name": "Your Name", "company": "Your Co"}'
The response includes your api_key. Store it securely — it won’t be shown again.

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Checking Your Account

Use the /v1/auth/me endpoint to view your account details and usage: 
curl https://api.dotlookup.dev/v1/auth/me \
  -H "X-API-Key: your_api_key_here"
See the Account endpoint reference for the full response shape.