Subprocessors
iSend LLC, doing business as Caesar ("Caesar"), uses the companies listed below to help provide its Services. This page forms Annex 3 of our Data Processing Addendum.
Notification of changes
We may add, remove, or replace subprocessors from time to time as our services evolve. When we do, we update this page.
For additions or replacements of subprocessors that process personal data on behalf of a merchant, we provide notice as described in our Data Processing Addendum.
To subscribe to subprocessor updates, email [email protected] with “Subscribe to subprocessor updates” in the subject line. Merchants may object as described in the DPA.
Subprocessors (shopper data)
| Subprocessor | Function performed for Caesar | Personal data involved | Location |
|---|---|---|---|
| Hostinger International Limited | Hosts Caesar's application servers, database, cache and backups | All merchant customer data that Caesar stores: names, phone numbers, message history, carts and orders, consent and opt-out records | United States (Boston, Massachusetts) |
| Railway Corporation | Hosts Caesar's message-sending service | Shopper phone numbers, message text and attachment images while they are being sent | United States |
| Cobolt | Operates the messaging lines that send and receive Caesar's iMessage, SMS and RCS messages | Shopper phone numbers, message content and delivery status | United States |
| Anthropic, PBC | Writes the Agent's messages and replies (Claude models) | Shopper first name, cart items and cart total, checkout link, and the conversation. The context we send excludes phone numbers, email addresses and payment details, except for any such information a shopper writes in the conversation | United States |
| Blooio | iMessage and RCS message delivery | Phone numbers, message content (including replies and opt-out requests) and delivery status | United States |
| Round One, Inc. (Sendblue) | iMessage message delivery | Phone numbers, message content and delivery status | United States |
| Google LLC (Google Cloud) | Hosting and storage for our earlier platform (being retired) | Historical message data and related metadata | United States |
International transfers
When Caesar receives personal data from the European Economic Area, the United Kingdom or Switzerland, the Standard Contractual Clauses in our DPA apply, together with the UK and Swiss equivalents. We require each subprocessor to be bound by written data-protection terms that are at least as protective as our DPA.
Change log
| Date | Change |
|---|---|
| October 1, 2026 | First published version |
Questions should be sent to [email protected].