Self-host
Free
AGPL-3.0, forever
- Every feature, full source
- Your SES account, your Supabase Postgres
- Updates from the repo when you want them
The open-source email API that runs on your server
Send transactional and marketing email through your own Amazon SES. Keep the Resend SDK and change one URL.
Open source · Self-host for free · Cloud from $15/mo
Switch from Resend in one command
The importer copies your contacts, unsubscribes, segments, topics, suppressions and templates, and keeps Resend's IDs. It only reads from Resend. It runs as a dry run first, then checks that your unsubscribe and suppression counts match.
pnpm import:resend --team <team-id>
Example output
- contacts: 10,412 read (387 unsubscribed)
- suppressions: 52 read
- templates: 6 read
- verify: unsubscribed_match exact
Every operation in Resend's public API has a route (138 of 138). 134 have been exercised against a real instance.
- 138/138
- operations have a route
- 134
- exercised against a real instance
- ~$0.10
- per 1,000 emails, at AWS SES rates
- AGPL-3.0
- open source license
What you get
The pieces of a full email platform.
Built to cover Resend's public API, plus a dashboard to run it.
Sending
Transactional email with a single API call.
Domains
Verify domains on your own SES account.
Audiences
Contacts and the lists around them.
Templates
Reusable emails with history.
Webhooks
Delivery events sent to your app.
Inbound
Receive mail on your domains and answer it from shared inboxes.
Also includedAutomationsTeams and OAuthLogs
Run it yourself, or have us do it.
The software is free. You pay us only if you want us to do the migration or run it for you.
Migration, done for you
from $2,000
one-time
- Unsubscribe and suppression counts matched exactly
- Domains verified on your SES account
- Your sending code changes by one base URL
Managed on your AWS
$300
per month
- Deployed and upgraded by us
- Runs in your AWS account, not ours
- Refundable deposit holds your spot
sesameSend Cloud
from $15 per month, coming soon
We host it. $15/mo for 50k emails, $75/mo for 250k, then $0.60 per 1,000. Paid plans only, to keep abuse off shared sending.
Reserve, $25 refundableYou might be wondering
Does it work with the resend SDK?
Yes. You keep the official resend SDK and set its base URL to your sesameSend domain.
Where does my data live?
In your own Supabase Postgres project. Attachments are stored in your S3 bucket. We don't hold your data on the self-host or managed plans.
What does sending cost?
You pay AWS directly. Amazon SES charges about $0.10 per 1,000 emails, and we charge nothing per email.
What does the AGPL-3.0 license mean for me?
You can run, read and change the code for free. If you modify sesameSend and offer it to others over a network, you share those changes under the same license. Ask your lawyer if you need certainty.