SendGrid

#email #transactional #smtp #marketing #enterprise

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Free tier

Bandwidth

n/a

Builds

n/a

Requests

100 emails/day (3,000/month) free forever

Custom domains

n/a

Note

Twilio SendGrid — 100 emails/day (3,000/month) free forever with SMTP relay + API, plus marketing-campaign tools on paid plans. Battle-tested at scale.

Pricing

Paid plans start at $20/mo.

Editorial score

★ 4/100 free-tier generosity.

Last verified 2025-09-01.