How Mektup compares

Mektup sits between two kinds of tools: sending APIs that can't hold a mailbox, and mailbox hosts with no real way in for software. Each comparison below is checked against the other company's own pricing and documentation, with the date.

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Inboxes for AI agents

Mektup vs AgentMail: Per-inbox pricing for agents vs unlimited mailboxes people can open too

Sending APIs with inbound

Mektup vs Resend: Webhook inbound and Inboxes beta vs stored mailboxes with IMAP
Mektup vs SendGrid: Inbound Parse vs a mailbox per address
Mektup vs Postmark: Inbound JSON on Pro vs mailboxes at $20 for 50,000
Mektup vs Mailgun: Inbound routes vs mailboxes with webhooks

Email hosting

Mektup vs Google Workspace: Per-user office suite vs flat-price email
Mektup vs Zoho Mail: Per-user mail vs unlimited mailboxes and an API

Forms

Mektup vs Formspree: Submissions by plan vs forms included with your email

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Starter is $20 a month. Agencies get a quote for every client domain on one account.