Prompt
I only need a basic email API. What should I look at?
Latest observation
Sep 24, 2026
OpenAI APIWeb search: off
If you only need a basic email API, look for one that covers these core needs without a lot of complexity:
What to look for
- Simple send API: one endpoint to send transactional emails
- Reliable delivery: good reputation, retry handling, bounce reporting
- SMTP support or REST API: REST is usually easier for app integration
- Templates: optional, but useful if you’ll send the same email format often
- Webhooks/events: for bounces, opens, clicks, unsubscribes
- Authentication: API keys, domain verification, SPF/DKIM support
- Good docs + SDKs: makes setup faster
- Pricing: free tier or low-cost for small volumes
- Support for attachments and custom headers if you need them
Popular simple options
- SendGrid — widely used, lots of docs, easy to start
- Mailgun — good for transactional email and developer-friendly
- Postmark — very straightforward, strong on deliverability
- Amazon SES — cheapest at scale, but more setup
- Resend — modern API, simple for app-based sending
If you want the simplest choice
- Postmark if deliverability and simplicity matter most
- Resend if you want a modern developer-friendly API
- SendGrid if you want the most common general-purpose option
- Amazon SES if cost matters and you don’t mind setup
If you tell me your stack and rough monthly email volume, I can recommend the best one for your case.