PriceIndex

Email APIs · side by side

AhaSend vs Plunk

Compare AhaSend, Plunk by sending volume, delivery webhooks, inbound email, domain limits and retention.

Email APIs pricing calculator

100K

AhaSend

Custom / not listed

No priced plan for this volume · 100K emails

Plunk

Custom / not listed

No priced plan for this volume · 100K emails

Listed USD plan fees and tracked usage only. Unlisted compute, transfer, extras, taxes and contract terms are excluded. Custom or unsupported plan usage is not estimated.

Email APIs overview & pricing

Provider
AhaSend
AhaSend
Plunk
Plunk
Billing unit
AhaSend
emails
Plunk
emails
Plan at selected usage
AhaSend
No priced plan for this volume
Plunk
No priced plan for this volume
Monthly estimate
AhaSend
Custom / not listed
Plunk
Custom / not listed
Workload
AhaSend
100K emails
Plunk
100K emails
Free access
AhaSend
Limited free allowance
Plunk
Developer free allowance
Published plans
AhaSend
Not listed
Plunk
Pay as you grow, Free forever
Prices checked
AhaSend
Not listed
Plunk
2026-10-08

Email APIs monthly cost

AhaSend: Not pricedPlunk: Not priced

Cost by emails

Cost curve data
0
AhaSend
Not priced
Plunk
$0
25K
AhaSend
Not priced
Plunk
Not priced
50K
AhaSend
Not priced
Plunk
Not priced
100K
AhaSend
Not priced
Plunk
Not priced
200K
AhaSend
Not priced
Plunk
Not priced
500K
AhaSend
Not priced
Plunk
Not priced
1M
AhaSend
Not priced
Plunk
Not priced

Email APIs feature comparison

Sending methods
AhaSend
Not listed
Plunk
Not listed
Inbound processing
AhaSend
Not listed
Plunk
Not listed
Sending domains
AhaSend
Not listed
Plunk
Not listed
Activity retention
AhaSend
Not listed
Plunk
Not listed
Webhooks & events
AhaSend
Not listed
Plunk
Not listed
Dedicated IP
AhaSend
Not listed
Plunk
Not listed
Single sign-on
AhaSend
Not listed
Plunk
Not listed
Support
AhaSend
Not listed
Plunk
Not listed

Which email providers fit your needs?

AhaSend features & plan notes

  • Fast transactional API
  • Simple pricing
  • Engineer support

Plunk features & plan notes

  • Open source
  • Simple API
  • AWS SES infrastructure

How to compare email providers

Separate transactional delivery from campaigns, outreach and agent inboxes. Compare monthly sends and daily caps; contacts, seats and inboxes are not sending allowances. Budget separately for dedicated IPs, validation and attachments.

Browse Email APIs pricing

AhaSend vs Plunk — FAQ

More Email APIs comparisons