Get the S3 URL and metadata (name, size, mime type) for the sample file attached to a file-header configuration. The {id} path segment is the file-header id.

Auth

• Account bearer. The owning campaign must belong to the caller's person.company_id and be of type automation, else 403.

Rate limit

• No rate limit.

Path params

Behaviour

• 200 with data.data = { file_path (S3 URL), file_name, file_size (bytes), file_type (mime) }.
• 403 if the caller does not own the config's campaign or is not an automation campaign.
• 404 if the file-header row is missing, or its sample_file_path no longer exists on S3.