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Messages your App sends can carry personal data — names, emails, phone numbers, whatever you put in text, blocks, or metadata. For your own data-processing records:
Stored in AWS eu-west-2 (London). No automatic expiry: messages are kept until deleted. Deleting a message removes it from all clients and APIs immediately. Notifications already delivered to devices are not recalled.

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What that means for you

  • There’s no automatic message expiry. If your product needs a message removed, call DELETE /v1/messages/{id} — don’t rely on time to do it for you.
  • Deletion is immediate and visible everywhere: every Workchats client and every API response stops showing the message’s content right away.
  • A push notification that already reached someone’s phone or desktop before you deleted the message isn’t recalled. If a message shouldn’t have gone out at all, deleting it stops it from being read going forward, but can’t un-notify someone who already saw the push.
  • metadata is stored with the message and isn’t secret from anyone who can read the message. Don’t put credentials or anything you wouldn’t want a conversation member to see in it.

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Keep the footprint small

Send only what the message needs. If a field isn’t shown to the recipient and isn’t needed for your own callback handling later, it doesn’t need to be in metadata.