OpenSend
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Lite | $10/mo · 15,000 API + broadcast emails/mo · 3 verified domains · 5 API keys · Community support | $10 a month |
| Starter | $19/mo · 51,000 API + broadcast emails/mo · 10 verified domains · 10 API keys · Email support · 48h | $19 a month |
| Growth | $99/mo · 120,000 API + broadcast emails/mo · 1,000 verified domains · 25 API keys · Priority support · 12h | $99 a month |
| Free | $0/mo · 500 API + broadcast emails/mo · 1 verified domain · 2 API keys · Community support | On request |
| Scale | Let's talk · Unlimited emails (your SES) · Unlimited domains · Unlimited keys · Dedicated infra & VPC peering · Slack channel · 1h SLA | On request |
As opensend.namuh.co lists them, read 8 Oct 2026. The maker's own page has the final word.
Facts from OpenSend's own pages
- Company
- The homepage says OpenSend is built by Jaeyun Ha and Ashley Ha. · opensend.namuh.co, 8 Oct 2026
- Data control
- Self-hosted OpenSend uses the operator's AWS SES quota, database, secrets, and observability stack. · opensend.namuh.co, 8 Oct 2026
- Features
- The product includes contacts, segments, topics, email automations, templates, open and click analytics, and email event tracking. · opensend.namuh.co, 8 Oct 2026
- Integrations
- The self-hosting guide documents AWS SES/SNS, PostgreSQL, Redis, S3, Cloudflare DNS automation, and Google OAuth configuration. · opensend.namuh.co, 8 Oct 2026
- Overages
- Cloud sends are not blocked after the quota; overage is billed at $0.85 per 1,000 emails until the customer upgrades. · opensend.namuh.co, 8 Oct 2026
- Product
- OpenSend describes itself as an open email infrastructure platform with a Resend-compatible API, SDK, broadcasts, contacts, and dashboard. · opensend.namuh.co, 8 Oct 2026
- Security
- Dashboard and API routes are tenant-scoped through Better Auth organizations and server-side ownership checks. · opensend.namuh.co, 8 Oct 2026
- Self-host license
- The pricing page says OpenSend can be used, modified, and self-hosted for free, including commercially, under ELv2, with hosted resale as the stated restriction. · opensend.namuh.co, 8 Oct 2026
- Sending
- OpenSend sends email through AWS SES and supports API sends, batch sends, scheduled sends, and broadcasts. · opensend.namuh.co, 8 Oct 2026
- Support
- The Free and Lite plans include community support, Starter has email support with a 48-hour response target, and Growth has priority support with a 12-hour target. · opensend.namuh.co, 8 Oct 2026
- Webhooks
- Outbound webhooks use HMAC signatures with Svix-compatible headers, which recipients should verify before processing events. · opensend.namuh.co, 8 Oct 2026
Where OpenSend stands on Freedom251
- Email APIs#12 of 31