Brand Pages uses the same API key as the Epsilon RMN platform; no separate key is required.
Requests include an Authorization header using HTTP Basic authentication, with the API key encoded according to the Request for Comments (RFC) specification:
/Authorization: Basic base64(<apiKey>:)In addition to the RFC-defined format above, the platform also supports passing the existing API key value directly in the Authorizationheader for compatibility with established client integrations.
Authorization: Basic \<existing_api_key>
