Postmark vs SendGrid (Twilio) comes down to free tier, price and what you optimize for. Postmark has the more generous free tier, and the cheaper paid entry point is $15/mo. Postmark stands out for industry-leading deliverability and speed, while SendGrid (Twilio) stands out for mature feature breadth and scale.
Free tier, entry price, dedicated-IP cost and deliverability — pulled from each vendor's own pricing page. Sort any column; star a provider to watch it.
| Provider | Free tier | Entry paid | Dedicated IP | Deliver. | Best for | |
|---|---|---|---|---|---|---|
P PostmarkTop pick postmarkapp.com | 100 / mo no expiry | $15/mo 10,000 / mo | From $50/mo (requires 300,000+/mo) | Industry-leading deliverability | ||
S SendGrid (Twilio) sendgrid.com | Trial only 60-day, 100/day | $19.95/mo 50,000 / mo | Included on Pro and above | Mature breadth, but no free tier |
Deliverability is StackPulse's editorial estimate, not a measured score. Pricing and free-tier figures are read from each vendor's own pricing page.
What you actually pay on Postmark today, for context. Source: https://postmarkapp.com/pricing.
What you actually pay on SendGrid today, for context. Source: Twilio changelog (twilio.com/en-us/changelog/sendgrid-free-plan): free plan retired 2025-05-27; new accounts 60-day trial (100/day); Email API from $19.95/mo.
Postmark and SendGrid (Twilio) take different approaches to transactional email. Postmark is free up to 100 emails/mo (no expiration), then paid plans run $15/mo for 10,000 and $16.5/mo for 10,000, with overage from $1.80 / 1k; dedicated IP: From $50/mo (requires 300,000+/mo).
SendGrid (Twilio) no longer has a permanent free tier (new accounts get a 60-day trial at 100/day), then paid plans run $19.95/mo for 50,000 and $89.95/mo for 100,000; dedicated IP: Included on Pro and above. SendGrid (Twilio) is known for mature feature breadth and scale and tight Twilio ecosystem integration.
For a Next.js codebase, the choice usually comes down to free-tier headroom and developer experience versus deliverability guarantees. Best when deliverability matters most. In Next.js, use the postmark SDK from a Route Handler. If a handful of emails absolutely must reach the inbox, weight deliverability more heavily; if you want the fastest start, favor the larger free tier and the better SDK. Pricing was verified on 2026-07-05.
Most migrations are a one-call change. Here's the Next.js Route Handler for each top alternative.
It already has. StackPulse records every pricing move so you're never surprised — here's what changed in this category recently.