Emailing & Automation
Contacts & Import
Bring contacts in via API or bulk CSV import, with duplicates and invalid rows skipped automatically.
- CSV & JSON import
- Custom attributes
- Idempotent upserts
- Import summaries

Contacts & ImportEmailing & Automation
Highlights
- 01Bulk CSV importUpload thousands of contacts in a single request.
- 02Auto-dedupeDuplicates and malformed rows are skipped, not errored.
- 03API-firstCreate and update contacts programmatically as users sign up.
Start
Ship it this afternoon.
Start free with 10,000 API calls a month, no credit card required.
No credit card · 5,000 free emails/month · Cancel anytime