First-party data
Customer lists
Upload your customer emails and phone numbers once — Crackle hashes them locally and syncs them to every connected channel.
No customer lists yet
Create your first customer list to reach existing customers across every channel. Paste a list of emails or phone numbers — we handle the hashing, formatting and upload.
1
Paste your list
Emails or phone numbers, one per line. No file upload needed.
2
We hash locally
SHA-256 inside your tenant. Raw PII is never stored or sent.
3
Sync to channels
Pushed to every connected channel, matched & ready to use.
Raw emails & phone numbers never leave your tenant