Debits units from a customer's entitlement balance. Throws on insufficient balance. Debits one_time_addon grants first, then manual, then subscription_recurring (FIFO within source).
AuthorizationRequiredBearer <token>API key as Bearer token
In: header
application/jsonRequiredcontactIdRequiredstringCRM contact id
featureKeyRequiredstringFeature key
amountRequiredintegerUnits to consume
1Maximum: 9007199254740991reasonstringFree-form reason logged on the consumed event
Grant Manual Entitlement
Adds a manual entitlement grant for a (contact, feature). Useful for admin top-ups, comp credits, or migration. Idempotent on grantId.
List Newsletters
Lists the workspace's newsletters, optionally filtered by view (draft / past). Paginated; returns recipient-stripped summaries so list payloads stay small. Sorted by updatedAt descending.