POST

Try POST /emails — Resend API

Resend playground

Send an 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 Idempotency-Key · optional

Body application/json

14 body fields

from · required · string — Sender email address. To include a friendly name, use the format "Your Name <[email protected]>".
to · required · string — Recipient email address. For multiple addresses, send as an array of strings. Max 50.
subject · required · string — Email subject.
bcc · optional · string — Bcc recipient email address. For multiple addresses, send as an array of strings.
cc · optional · string — Cc recipient email address. For multiple addresses, send as an array of strings.
reply_to · optional · string — Reply-to email address. For multiple addresses, send as an array of strings.
html · optional · string — The HTML version of the message.
text · optional · string — The plain text version of the message.
template · optional · object — Use a published template to send the email. If provided, do not include html or text.
headers · optional · object — Custom headers to add to the email.
scheduled_at · optional · string — Schedule email to be sent later. The date should be in ISO 8601 format.
attachments · optional · object[] — Request body field attachments.
tags · optional · object[] — Request body field tags.
topic_id · optional · string — The topic ID to scope the email to. If the recipient is a contact and opted-in to the topic, the email is sent. If opted-out, the email is not sent. If the recipient is not a contact, the email is sent if the topic's default subscription is opt_in.