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The suppression list is the project’s send-time block list. Any address on it is dropped before send — even if you ask to mail it. List the current entries here. GET /v1/suppressions

Query parameters

string
Opaque pagination cursor from a previous response’s nextCursor.
integer
Page size, 1100 (default 25).

Request

Response

Returns 200 OK with a page of suppressed addresses. Each entry carries a reason — one of hard_bounce, complaint, unsubscribe, or manual — and the time it was added.
200 OK
Suppression vs. unsubscribe. Suppressions block delivery. They are separate from a contact’s subscribed flag, which is an app-level marketing signal. See Suppressions.