API calls can be authorized by including your secret key in the Authorization header of every request you make.
Note: Secret Keys should be kept confidential and only stored on your own servers. Your account’s secret API key can perform any API request to without restriction.
Authorization Sample
Authorization: Bearer BLTSECK-a21fe714897c97952tb1125d2bb02b4f
All API requests must be made over HTTPS.
API requests made without authorization header will fail with the status code 401: Unauthorized