Email APIs Software Pricing (2026)
What 9 email apis tools actually charge, taken from their own pricing pages and re-checked as they change. Cheapest first.
Pricing verified Aug 04, 2026
Prices here change. You'll hear about it.
Outmano watches pricing, features, roadmaps and reviews across your market, then sends one weekly brief: what changed, and what it means for you.
Email APIs pricing at a glance
| Product | Entry price | Plans | Free plan | Free trial |
|---|---|---|---|---|
| NeverBounce | $8/mo | 3 | No | Yes |
| Mailgun | $15/mo | 5 | Yes | Yes |
| Postmark | $15/mo | 4 | Yes | Yes |
| SendGrid | $19/mo | 4 | Yes | Yes |
| Resend | $20/mo | 4 | Yes | No |
| Bouncer | $25/mo | 5 | Yes | No |
| MailReach | $25/mo | 2 | No | No |
| ZeroBounce | $99/mo | 2 | Yes | No |
| Kickbox | Custom | 2 | Yes | No |
Every email apis tool we track, cheapest first
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NeverBounce
Real-time email verification.
At $0.008/credit, NeverBounce sits in the mid-market range — not the cheapest (services like Debounce undercut them) but cheaper than ZeroBounce's comparable tiers. They're clearly targeting mid-size email marketers and ops teams who want reliability without enterprise-level spend.
Plans: Pay as you go $8/mo · Growth $49/mo · Enterprise Contact Sales
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Mailgun
Email API for developers.
Mailgun sits mid-market — pricier than bare-bones transactional players like Amazon SES, but cheaper than full-blown marketing suites like SendGrid at higher volumes. They're chasing developers and technical teams who want reliable infrastructure without paying for marketing-automation bloat they won't use.
Plans: Free $0/mo · Basic $15/mo · Foundation $35/mo · Scale $90/mo · Enterprise Contact Sales
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Postmark
Fast, reliable transactional email.
Postmark sits mid-pack for transactional email — pricier than bare-bones SMTP APIs but cheaper than enterprise-grade platforms bundling marketing automation. They're clearly chasing developers and product teams who want reliability without paying for bloat they won't use.
Plans: Free $0/mo · Basic $15/mo · Pro $16/mo · Platform $18/mo
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SendGrid
Transactional and marketing email.
Sits in the middle of the email service market — more expensive than basic providers like Mailgun but cheaper than enterprise-focused players. They're targeting developers and growing businesses who need reliability without enterprise complexity.
Plans: Free Trial $0/mo · Essentials $19/mo · Pro $89/mo · Premier Contact Sales
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Resend
Email API for developers.
Resend sits mid-pack — not the rock-bottom option like raw SMTP relays, but noticeably cheaper to start than Postmark or SendGrid's comparable tiers. They're clearly chasing developer mindshare first (great API, free tier that's actually usable) and letting usage-based pricing capture revenue as those developers' apps scale into real businesses.
Plans: Free $0/mo · Pro $20/mo · Scale $90/mo · Enterprise Contact Sales
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Bouncer
Easy email verification API.
Bouncer sits in the mid-market of email verification — not the cheapest (ZeroBounce and similar have aggressive entry pricing) but not enterprise-premium either. The 100 free credits and no-expiry policy signal they're trying to win on low-friction onboarding and trust, targeting growth-stage SaaS and email marketers who've been burned by bad list hygiene.
Plans: Starter $25/mo · Standard $125/mo · Pro $250/mo · Pay as you go $0/mo · Enterprise Contact Sales
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MailReach
Email warmup and spam testing.
At $25/mailbox, MailReach sits in the mid-range of the email warmup space — not the cheapest (tools like Warmbox undercut them) but not premium either. They're clearly targeting growth-stage sales teams and agencies who need reliable deliverability without enterprise contracts, competing on simplicity and a clean dual-product structure rather than price alone.
Plans: All-In-One $25/mo · Spam Tester Contact Sales
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ZeroBounce
Email validation and deliverability.
ZeroBounce sits in the mid-market of email verification tools, competing directly with NeverBounce and Bouncer on price and accuracy claims. At $99/mo entry point they're not the cheapest option, but they're bundling extras like an email finder and inbox tester into ONE™, which positions them as a fuller platform rather than a pure validator.
Plans: Freemium $0/mo · ZeroBounce ONE™ $99/mo
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Kickbox
Email verification for senders.
Sits in the mid-market of email verification tools, competing with ZeroBounce and NeverBounce on price and accuracy. The credit refund on unknown results is a differentiator that reduces risk for buyers who are skeptical about paying for inconclusive data.
Plans: Pay As You Go $0/mo · Enterprise Contact Sales
Email APIs Software Pricing FAQ
- How much does email apis software cost?
- Entry prices run from $8/mo (NeverBounce) to $99/mo (ZeroBounce), with a median entry price of $19/mo across the 8 priced products we track.
- What is the cheapest email apis software?
- NeverBounce has the lowest entry price of the email apis software we track, at $8/mo. Mailgun ($15/mo) and Postmark ($15/mo) are next. Mailgun and Postmark are free to start on.
- Is there free email apis software?
- Yes — Mailgun, Postmark, SendGrid and 4 more offer a free plan.
- How is email apis software usually priced?
- 7 of the 9 email apis tools we track use usage based pricing, against 2 on hybrid.