organization · inferred from evidence
MailChimp
The organization providing the MailChimp API service.
- MailChimp API: "is already a list member. Use PUT to insert or update list members"
Posting a member to lists/{list_id}/members returned: [email] is already a list member. Use PUT to insert or update list members." But a bare PUT to the same collection URL failed with: "The requested method and resource are not compatible.