Knock vs MailerSend pricing

Name: Knock (Email APIs)
Brand: Knock

Verified 2026-10-23 (2 days ago)Source: Knock: knock.app/pricing, MailerSend: www.mailersend.com/pricingVerified shows the older of the two.

Monthly cost at three volumes

These services do not bill on a shared metric, so a like-for-like cost is unlisted.

Tiers of Knock and MailerSend aligned by position: free, entry, mid, top
Position	Knock	MailerSend
Free	$0 / moFree · 10,000 messages sent (any channel) / mo	$0 / moFree · 500 emails sent / mo
Entry	$250 / moStarter · 50,000 messages sent (any channel) / mo	$110 / moProfessional · 50,000 emails sent / mo
Mid	no tier	$35 / moStarter · 50,000 emails sent / mo
Top	Contact salesEnterprise	$0 onceFree Trial (14 days) · 500 emails sent / mo

Tightest documented rate limit of each service
Measure	Knock	MailerSend
Tightest limit	unlisted	100 api requests per dayFree tier

No changes recorded.

No change detected for either service in the last 90 days.