PATCH

Try PATCH /contacts/{id} — Resend API

Resend playground

Update a single contact by ID or email

Credentials

Resend API key · sent as Authorization

Kept in this tab only. Requests go through apicheats.dev's same-origin proxy straight to api.resend.com; the proxy stores and logs nothing about them.

Headers

User-Agent · fixed

Path

id · required · string The Contact ID or email address.

Body application/json

5 body fields

email · optional · string — Email address of the contact.
first_name · optional · string — First name of the contact.
last_name · optional · string — Last name of the contact.
unsubscribed · optional · boolean — The Contact's global subscription status. If set to true, the contact will be unsubscribed from all Broadcasts.
properties · optional · object — A map of custom property keys and values to update.