PCX authenticates server-to-server requests using API keys.Both headers must always be present. Send your API key in X-Api-Key. The Authorization header must always be sent with the literal string value NONE.
Header
Required value
X-Api-Key
<your_api_key>
Authorization
NONE (literal string)
Sending only one header, or omitting the unused header entirely, will result in a 401 Unauthorized response.