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The LicenseSearcher API uses an API key to authenticate requests. You can view and manage keys in your Dashboard. Pass your key as a bearer token in the Authorization header. All API calls must be made over HTTPS — calls without authentication fail with a 401.

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State scoping

API keys are scoped to specific states. To make an API call for a particular state, your key must be scoped to that state and your account must be subscribed to it. See Supported States for the current list.

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Billing and security

The LicenseSearcher API is billed on a per-request basis, and requests that return a 4xx status code are also billed to your account. Keep your API key secure to prevent unintended charges.
  • Don’t share your key in publicly accessible places such as GitHub, client-side code, or support tickets.
  • Only share your key with people you trust.
  • Rotate a key immediately from the Dashboard if you believe it has been exposed.