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Lettr

Interact with Lettr transactional email APIs

Audience Contact → Update

AI-generated

Summary

Update an existing Lettr audience contact by its ID, optionally changing email, subscription status, and custom properties.

Inputs

  • audienceContactId (required) — The audience contact ID to update.
  • propertiesUi — Custom property values to set; each entry provides a property name (key) and its value.
  • contactUpdateFields — Fields to update: email (new email address) and status (subscription status: subscribed or unsubscribed).

Output shape

object

Returns the API response containing the updated contact data.

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