Email APIs · side by side
MailerSend vs SparkPost
Compare MailerSend, SparkPost by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
100K
MailerSend
Custom / not listed
No priced plan for this volume · 100K emails
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
| Email APIs | MailerSend | SparkPost |
|---|---|---|
| Provider | MailerLite | Bird |
| Billing unit | emails | emails |
| Plan at selected usage | No priced plan for this volume | Growth |
| Monthly estimate | Custom / not listed | $80/mo |
| Workload | 100K emails | 100K emails |
| Free access | Limited free plan | Trial availability varies |
| Published plans | Free, Hobby, Starter, Professional, Enterprise | Free, Startup, Growth, Enterprise |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- MailerSend
- MailerLite
- SparkPost
- Bird
Billing unit
- MailerSend
- emails
- SparkPost
- emails
Plan at selected usage
- MailerSend
- No priced plan for this volume
- SparkPost
- Growth
Monthly estimate
- MailerSend
- Custom / not listed
- SparkPost
- $80/mo
Workload
- MailerSend
- 100K emails
- SparkPost
- 100K emails
Free access
- MailerSend
- Limited free plan
- SparkPost
- Trial availability varies
Published plans
- MailerSend
- Free, Hobby, Starter, Professional, Enterprise
- SparkPost
- Free, Startup, Growth, Enterprise
Prices checked
- MailerSend
- 2026-10-08
- SparkPost
- 2026-10-08
Email APIs monthly cost
MailerSend: Not pricedSparkPost: $80
Cost by emails
Cost curve data
| emails | MailerSend | SparkPost |
|---|---|---|
| 0 | $0 | $0 |
| 25K | Not priced | $15 |
| 50K | Not priced | $15 |
| 100K | Not priced | $80 |
| 200K | Not priced | Not priced |
| 500K | Not priced | Not priced |
| 1M | Not priced | Not priced |
0
- MailerSend
- $0
- SparkPost
- $0
25K
- MailerSend
- Not priced
- SparkPost
- $15
50K
- MailerSend
- Not priced
- SparkPost
- $15
100K
- MailerSend
- Not priced
- SparkPost
- $80
200K
- MailerSend
- Not priced
- SparkPost
- Not priced
500K
- MailerSend
- Not priced
- SparkPost
- Not priced
1M
- MailerSend
- Not priced
- SparkPost
- Not priced
Email APIs feature comparison
| Email APIs | MailerSend | SparkPost |
|---|---|---|
| Sending domains | Not listed | 1,000 |
| Emails / month | Not listed | 100K to 2.5M |
| Webhook endpoints | Not listed | 10 |
| Sending IP | Not listed | Dedicated IPs (add-on) |
Sending domains
- MailerSend
- Not listed
- SparkPost
- 1,000
Emails / month
- MailerSend
- Not listed
- SparkPost
- 100K to 2.5M
Webhook endpoints
- MailerSend
- Not listed
- SparkPost
- 10
Sending IP
- MailerSend
- Not listed
- SparkPost
- Dedicated IPs (add-on)
Which email providers fit your needs?
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 pricingMailerSend vs SparkPost — FAQ
MailerSend: custom or unlisted usage pricing at 100,000 emails. 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.
REST API, Template builder, Inbound routing. Free access: Limited free plan. 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.