PATCH

Try PATCH /domains/{domain_id} — Resend API

Resend playground

Update an existing domain

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

domain_id · required · string The ID of the domain.

Body application/json

5 body fields

open_tracking · optional · boolean — Track the open rate of each email.
click_tracking · optional · boolean — Track clicks within the body of each HTML email.
tls · optional · string — enforced | opportunistic.
capabilities · optional · object — Configure the domain capabilities for sending and receiving emails. At least one capability must be enabled.
tracking_subdomain · optional · string — The subdomain to use for click and open tracking.