Resend
Developer-first email API with a modern sending stack.
- Pricing model
- Usage-based API
- Deployment
- Cloud API
- Last verified
- 2026-07-10
SendGrid alternatives for product email
Sending APIs and ESPs when you want modern developer experience, marketing orchestration, or agent-operable delivery.
Replacing or complementing SendGrid.
Brew
The first AI-native email platform built so agents can run campaigns end to end via API and MCP.
- Pricing model
- Freemium SaaS
- Deployment
- Cloud SaaS
- Last verified
- 2026-08-01
Customer.io
Event-driven lifecycle orchestration for SaaS and product-led teams.
- Pricing model
- Tiered SaaS
- Deployment
- Cloud SaaS
- Last verified
- 2026-07-22
Loops
Email for modern SaaS teams combining marketing and transactional sends.
- Pricing model
- Freemium SaaS
- Deployment
- Cloud SaaS
- Last verified
- 2026-07-08