Feature deep dive
Contacts & Audiences
Store your subscriber data, organize contacts into audiences, and import in bulk. The foundation for targeted campaigns and audience-level analytics — all manageable through the API or dashboard.
Why use Sendr for contacts
- Full CRUD API for contacts with custom metadata fields.
- Audiences group contacts into targetable lists for campaigns.
- Bulk import up to 1,000 contacts per call with automatic deduplication.
- Filter by audience, search by email, and paginate with cursors.
- Subscription status tracked per contact for compliance.
- Plan-based limits: Free 500, Pro 10K, Business 100K, Enterprise unlimited.
Capabilities
- Create, update, and delete contacts with email, name, and custom metadata.
- Organize contacts into audiences (lists) for targeted campaign sending.
- Bulk import up to 1,000 contacts per request with upsert semantics.
- Filter contacts by audience membership or search by email address.
- Per-contact subscription status with opt-out tracking.
- Custom JSON metadata on every contact for flexible segmentation.
- Plan-based contact limits scale from 500 to unlimited.
- Cursor-based pagination across all list endpoints.
Contact limits by plan
Free
500
Pro
10,000
Business
100,000
Enterprise
Unlimited
Bulk import up to 1,000 contacts per API call. All plans support full CRUD, audience membership, and subscription status tracking.
Ready to send to your audiences?
Contacts and audiences power campaign sending and targeted delivery.