Update contact

updateContact patches selected fields without changing the contact’s email address.

automations/update-resend-contact.automation.ts

import { automation } from "automate.ax"
import { updateContact } from "automate.ax/resend"

export default automation("Update Resend contact", () => {
  updateContact({
    contactId: "person@example.com",
    patch: { firstName: "Ada", unsubscribed: false, segments: ["Customers"] },
  })
})

contactId is a contact ID or email. patch must include at least one of firstName, lastName, string properties, segments, topics, or unsubscribed. Segment references are exact names or IDs. Optional account selects the binding. Returns { id: string; object: string }. Values in the patch are provider updates, and supplying segment membership can replace membership according to Resend’s contact update semantics.

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