Side by side
Keplars vs Posthawk
Plans read from both vendors' own pricing pages, with the same seats and billing applied to each. Posthawk is a verified alternative to Keplars: it does the same main job for a similar customer.
Keplars provides a modern email infrastructure platform designed for developers to build, send, and scale transactional and marketing emails with enterprise-grade deliverability and real-time delivery insights. It supports Gmail, Outlook, and custom domains with features like a unified email editor, sandbox testing, and 24/7 expert support.
- Starting price
- Free plan
- Price clarity
- Not graded
- Category
- Email & communication
- Platforms
- Not confirmed
- Good fit for
- Developers and product teams needing reliable, scalable email infrastructure with easy integration and real-time analytics.. Startups and growing teams requiring flexible email sending plans with no complex configuration or infrastructure management.
- Limitations
- Spam, phishing, malicious content, and emails violating CAN-SPAM or GDPR are not allowed.
Posthawk is an open-source email platform designed for developers to send transactional and marketing emails, schedule deliveries, manage templates, and handle inbound email through a simple REST API. It supports both managed cloud and self-hosted deployments, providing a complete email infrastructure with features like high deliverability, bounce handling, and multi-region support.
- Starting price
- From $49.00/mo, free plan available
- Price clarity
- Price clarity grade B, 75 out of 100 75 of 100
- Category
- Email & communication
- Platforms
- Not confirmed
- Good fit for
- Developers using Next.js, Vercel, Cloudflare Workers, or edge runtimes who need a unified email API.
- Limitations
- Free plan limits to 3,000 emails per month and 100 emails per day, 1 domain, 2 API keys, 2 team members, 3 templates, 1 webhook endpoint, 10 MB email size limit, and 3-day log retention.
What each one costs your team
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Known monthly subtotal
$0.00/month
1 of 2 tools could not be priced with these inputs, so this is not the full cost.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
FreeCheapest fit Flat subscription | $0.00 | $0.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Scale Flat subscription | $49.00 | $588.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
Keplars
Best fit
Developers and product teams needing reliable, scalable email infrastructure with easy integration and real-time analytics.; Startups and growing teams requiring flexible email sending plans with no complex configuration or infrastructure management.
Trade-offs
Spam, phishing, malicious content, and emails violating CAN-SPAM or GDPR are not allowed.
Integrations / export
Not confirmed
Posthawk
Best fit
Developers using Next.js, Vercel, Cloudflare Workers, or edge runtimes who need a unified email API.
Trade-offs
Free plan limits to 3,000 emails per month and 100 emails per day, 1 domain, 2 API keys, 2 team members, 3 templates, 1 webhook endpoint, 10 MB email size limit, and 3-day log retention.
Integrations / export
Not confirmed
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