List messages
Broadcast Messages
List messages
Lists a broadcast’s messages (A/B test arms), ordered by position ascending and then id. from and reply_to are email-only and will be null for non-email channels.
GET
List messages
Authorizations
Accepts either a raw API key or Bearer <key>.
Headers
Optional dated API revision for the request. Must use YYYY-MM-DD format.
Pattern:
^\d{4}-\d{2}-\d{2}$Example:
"2026-03-01"
Path Parameters
Broadcast ID.
Response
Broadcast messages returned.
Server-generated message name, for example Control or Variation A.
Sender email address (email messages only).
Reply-to email address (email messages only).

