Look up newsletter information using an invite code.
Instance or customer-level API key. Either the instance's own API key or the customer's API key is accepted. Must be paired with the X-Instance-Id header to identify the target instance.
The ID of the WhatsApp instance to use
Newsletter invite code
Newsletter info
Newsletter JID
Newsletter name
Newsletter description
Number of subscribers
Verification state of the newsletter
Profile picture URL
Invite code for the newsletter
Current user's role in the newsletter
Mute state for the current user
Newsletter state
Creation timestamp