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Overage / Compare / Email APIs

Mailjet vs Postmark pricing

Verified 2026-10-23 (2 days ago)Source: Mailjet: www.mailjet.com/pricing/, Postmark: postmarkapp.com/pricingVerified shows the older of the two.

Monthly cost at three volumes

Monthly cost of Mailjet and Postmark at three volumes and at your own
VolumeMailjetPostmark
small5K emails sent$0 / moFree$15 / moBasic
growing50K emails sentno listed price$66 / moPlatform
scale500K emails sentno listed price$606 / moPlatform
your volumeset aboveno listed price$66 / moPlatform

Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.

Tiers, aligned by position

Tiers of Mailjet and Postmark aligned by position: free, entry, mid, top
PositionMailjetPostmark
Free$0 / moFree · 6,000 emails sent / mo$0 / moFree · 100 emails sent / mo
Entry$9 / moStarter · 8,000 emails sent / mo$15 / moBasic · 10,000 emails sent / mo
Mid$19 / moEssential · 15,000 emails sent / mo$16.50 / moPro · 10,000 emails sent / mo
TopContact salesCustom$18 / moPlatform · 10,000 emails sent / mo

Tightest rate limit

Tightest documented rate limit of each service
MeasureMailjetPostmark
Tightest limit200 emails sent per dayFree tierunlisted

Changes in the last 90 days

No changes recorded.

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