tinysend
$0
Open-source software
- ✓Transactional API and npm SDK
- ✓Cloudflare and manual DNS setup
- ✓Contacts, templates, and broadcasts
- ✓Optional first-party tracking
- ✓MCP server for AI agents
- ✓Dark and light mode
The open-source layer
your Amazon SES needs
Transactional email, contacts, templates, broadcasts, tracking, and MCP. One PostgreSQL database.
Product email without a second sending bill
Keep SES pricing and ownership. Add the interface and API your team actually needs.
SES through IAM roles
Connect a least-privilege role. tinysend stores no long-lived AWS access keys.
Transactional API & SDK
Send inline or versioned-template email with idempotency and domain-scoped API keys.
One-click Cloudflare DNS
Install the exact SES DKIM and MAIL FROM records, with a manual fallback for every DNS provider.
Contact synchronization
Upsert users and attributes from each business, then broadcast to every subscribed contact.
Versioned templates
Edit reusable HTML and text templates with variables and an immutable version history.
Agent compatible
Use eleven MCP tools for sends, contacts, templates, broadcasts, domains, and delivery health.
Transactional API
One call. Safe to retry.
The SDK sends through a verified domain, respects suppressions, renders templates, and places work on the PostgreSQL queue.
✓Idempotency key prevents duplicate sends
✓Domain-scoped keys and explicit permissions
✓Optional open and link tracking per domain
✓SES bounce and complaint suppression
import { Tinysend } from '@tinysend/sdk'
const email = new Tinysend({
apiKey: process.env.TINYSEND_API_KEY
})
await email.emails.send({
to: '[email protected]',
templateId: 'welcome-template-id',
variables: { firstName: 'Ada' }
}, {
idempotencyKey: 'welcome-user-42'
})How it works
Three steps to production email
1
Connect Amazon SES
Launch the CloudFormation quick-create stack and paste its least-privilege role ARN.
2
Verify a domain
Install the SES records with Cloudflare in one click or copy the same DNS plan manually.
3
Send through API or UI
Create a scoped key, use the npm SDK or MCP, and inspect every delivery from the dashboard.
Pricing
The software is free. SES sends the email.
Self-host tinysend under the MIT License. You pay your normal infrastructure and Amazon SES charges, with no tinysend margin per email.
Your costs
AWS + hosting
Amazon publishes SES prices by region. Your database and app can run on any Docker host. Cloudflare DNS integration is optional.
tinysend email markup$0
Contacts storedUnlimited
Sending providerAmazon SES
Why it exists
Use SES without rebuilding Postmark.
tinysend focuses on the small operational layer a product team needs.
Keep SES economics
AWS bills delivery directly. tinysend adds no per-message markup.
Keep account ownership
Revoke the IAM role at any time. Long-lived AWS keys are never stored.
Keep a clean interface
Dashboard, API, SDK, and MCP all use the same domain-scoped model.
Please bring your own sender...
from: tinysend
to: you
with: love
Ready to start sending?
Self-host free. Connect your SES account. Keep your sending cost at AWS rates.