Developers
Send email from your app
The Chebu API sends receipts, sign-in links, and password resets from your own verified domain. It's included with every Business plan.
- Base URL
https://api.chebu.io, JSON over HTTPS - Bearer API keys with full or sending-only access
- Compatible with Resend's API and SDKs
- SMTP relay at
smtp.chebu.email
curl -X POST https://api.chebu.io/emails \
-H "Authorization: Bearer $CHEBU_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"from": "Northwind <[email protected]>",
"to": ["[email protected]"],
"subject": "Your receipt #1042",
"html": "<p>Thanks for your order.</p>"
}'Getting started
- QuickstartVerify a domain, create an API key, and send an email from your app in a few minutes.
- AuthenticationEvery request carries an API key. Keys can be limited to sending, or to one domain.
- Using Resend SDKsChebu's API follows Resend's, so you can keep a Resend SDK and change where it points.
- SMTP relayFor frameworks and tools that speak SMTP. Sign in with an API key and send from your verified domain.
Sending
- Send emailOne request per email, with HTML, attachments, tags, and scheduling.
- Batch sendUp to 100 emails in one request, accepted together or not at all.
- Manage emailsLook up what you sent, and change your mind about what hasn't gone yet.
- IdempotencyRetry a send after a timeout without any risk of sending it twice.