SendGrid

Transactional + marketing email platform (Twilio subsidiary). API, SMTP, templates, and analytics.

Editor

Jake's editor note
Transactional email defaults to SendGrid. Korea→Japan delivery often has reputation issues, so SPF/DKIM/DMARC must be tuned.
Jake (황관희)
Founder, 5years+ · Operator, Crewless
Last updated: 2026-04-21

Key Features

• API + SMTP sending • Templates + dynamic content • Deliverability / open / click analytics • Domain auth + DKIM + DMARC • Dedicated IPs

Pricing

Free (100/day) / Essentials $19.95 / Pro $89.95 / Enterprise. Priced by monthly volume.

FAQ

Resend / Postmark alternatives?

Resend wins on developer UX; SendGrid wins on deliverability and maturity. Pick SendGrid for scale/trust.

Marketing Campaigns?

SendGrid is transactional-first. Mailchimp or Customer.io are stronger for newsletters/marketing.

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