| DNC entries (API Access → Do Not Call) | Blocks call channel with dnc_blocked - see DNC |
| Tenant webhooks (API Access → Notifications) | CRM status callbacks |
| Event routes (API Access or API) | POST /events without hard-coding campaignId each time |
| Omni Channel mailbox / WhatsApp profile + templates | Direct email/WhatsApp send (GET /omni/templates) |