OpenSend
6.5#19 in email apisFrom $10 a monthFree planWebAPISelf-hosted
Visit| Fact | OpenSend | turboSMTP |
|---|---|---|
| Integrations | The self-hosting guide documents AWS SES/SNS, PostgreSQL, Redis, S3, Cloudflare DNS automation, and Google OAuth configuration. | A Zapier app launched with Send Email and Find Email Status actions for connecting CRMs, forms, spreadsheets and other Zapier applications. |
| Product | OpenSend describes itself as an open email infrastructure platform with a Resend-compatible API, SDK, broadcasts, contacts, and dashboard. | turboSMTP is a cloud SMTP service for sending email messages and newsletters, with statistical analysis for individual and aggregate messages. |
You want what its maker publishes above — check its page for the details.
turboSMTP suits businesses and developers sending transactional email or newsletters. Its API, marketing dashboard, and WordPress plugin offer options for different email workflows.