Resend
Developer-first email API with a modern sending stack.
- Pricing model
- Usage-based API
- Deployment
- Cloud API
- Last verified
- 2026-07-10
Developer-first email APIs
Sending infrastructure and code-first workflows for engineering teams that own delivery.
Use these when marketers need a send layer and product code owns templates, triggers, and observability.
SendGrid
Twilio SendGrid high-volume sending APIs and SMTP relay for established stacks.
- Pricing model
- Usage-based API
- Deployment
- Cloud API
- Last verified
- 2026-07-05
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