Bird (SparkPost) vs Knock pricing

Name: Bird (SparkPost) (Email APIs)
Brand: Bird (SparkPost)

Verified 2026-10-24 (1 day ago)Source: Bird (SparkPost): bird.com/en-us/pricing/email, Knock: knock.app/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 Bird (SparkPost) and Knock aligned by position: free, entry, mid, top
Position	Bird (SparkPost)	Knock
Free	$0 / moFree · 1,000 emails sent / mo	$0 / moFree · 10,000 messages sent (any channel) / mo
Entry	$15 / moStartup (prepaid deposit)	$250 / moStarter · 50,000 messages sent (any channel) / mo
Mid	$250 / moGrowth (prepaid deposit)	no tier
Top	$1,000 / moScale (prepaid deposit)	Contact salesEnterprise

Tightest documented rate limit of each service
Measure	Bird (SparkPost)	Knock
Tightest limit	50 emails sent per dayFree tier	unlisted

No changes recorded.

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