# Auth Authentication and API key validation operations. ## Validate an API key - [GET /v1/auth/validate-key](https://developers.databox.com/api/api.databox.com/auth/auth_validateapikey.md): Validates the API key supplied in the x-api-key header. Use this endpoint as a setup/health check. Integration partners can call it to confirm a customer's key before enabling data ingestion or completing account linking. - 200 OK: Key is valid. - 401 Unauthorized: Key is missing or invalid (standard error envelope).