PriceIndex

Email APIs · side by side

Shipmail vs SparkPost

Compare Shipmail, SparkPost by sending volume, delivery webhooks, inbound email, domain limits and retention.

Email APIs pricing calculator

These providers bill in different units. Each estimate uses its own workload; there is no same-volume price winner.

Shipmail

0

SparkPost

100K

Shipmail

$4.00 / mo

Solo · 0 mailboxes

SparkPost

$80 / mo

Growth · 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
Shipmail
Shipmail
SparkPost
Bird
Billing unit
Shipmail
mailboxes
SparkPost
emails
Plan at selected usage
Shipmail
Solo
SparkPost
Growth
Monthly estimate
Shipmail
$4.00/mo
SparkPost
$80/mo
Workload
Shipmail
0 mailboxes
SparkPost
100K emails
Free access
Shipmail
None (14-day free trial, credit card required)
SparkPost
Trial availability varies
Published plans
Shipmail
Solo, Pro, Team, Scale, Scale (300+ mailboxes)
SparkPost
Free, Startup, Growth, Enterprise
Prices checked
Shipmail
2026-10-08
SparkPost
2026-10-08

Email APIs monthly cost

Shipmail: $4.00SparkPost: $80

Different workloads, separate estimates

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.

Email APIs feature comparison

Sending domains
Shipmail
Not listed
SparkPost
1,000
Emails / month
Shipmail
Not listed
SparkPost
100K to 2.5M
Webhook endpoints
Shipmail
Not listed
SparkPost
10
Sending IP
Shipmail
Not listed
SparkPost
Dedicated IPs (add-on)

Which email providers fit your needs?

Shipmail features & plan notes

  • Custom-domain email with webmail, IMAP, SMTP, and JMAP support
  • REST API, webhooks, and MCP server for AI agent integration
  • Shared inboxes, calendars, contact management, and booking features
  • 15–25 GB of storage per mailbox
  • 2 mailboxes total, across your domains
  • 15 GB storage per mailbox
  • 1 team member
  • 20,000 email sends/month
  • 1,000 newsletter sends/month
  • 500 active newsletter subscribers

SparkPost features & plan notes

  • Deliverability analytics
  • Enterprise scale
  • Predictive signals
  • 10 webhook endpoints
  • 1,000 sending domains
  • Dedicated IPs (add-on)

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

Shipmail vs SparkPost — FAQ

Shipmail: $4.00/month on Solo at 0 mailboxes. SparkPost: $80/month on Growth at 100,000 emails. Different billing units are not an equal-workload comparison. Estimates exclude unlisted add-ons and taxes.

Review SMTP or API integration, domain authentication, bounce and complaint events, suppression handling and delivery-log retention.

Only when the published plan actually bills by sends. Contacts, subscribers and inboxes stay in their own billing units.

Custom-domain email with webmail, IMAP, SMTP, and JMAP support, REST API, webhooks, and MCP server for AI agent integration, Shared inboxes, calendars, contact management, and booking features, 15–25 GB of storage per mailbox. Free access: None (14-day free trial, credit card required). Check plan-specific availability and current terms on the provider's official pricing page.

Deliverability analytics, Enterprise scale, Predictive signals. Free access: Trial availability varies. Check plan-specific availability and current terms on the provider's official pricing page.

More Email APIs comparisons