Email APIs · side by side
Mandrill vs SparkPost
Compare Mandrill, SparkPost by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
0
Mandrill
$0 / mo
Try for free · 0 emails
SparkPost
$0 / mo
Free · 0 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 | Mandrill | SparkPost |
|---|---|---|
| Provider | Mailchimp | Bird |
| Billing unit | emails | emails |
| Plan at selected usage | Try for free | Free |
| Monthly estimate | $0/mo | $0/mo |
| Workload | 0 emails | 0 emails |
| Free access | Up to 500 free demo/test email sends to a verified domain for new users. | Trial availability varies |
| Published plans | Try for free, Transactional Email | Free, Startup, Growth, Enterprise |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- Mandrill
- Mailchimp
- SparkPost
- Bird
Billing unit
- Mandrill
- emails
- SparkPost
- emails
Plan at selected usage
- Mandrill
- Try for free
- SparkPost
- Free
Monthly estimate
- Mandrill
- $0/mo
- SparkPost
- $0/mo
Workload
- Mandrill
- 0 emails
- SparkPost
- 0 emails
Free access
- Mandrill
- Up to 500 free demo/test email sends to a verified domain for new users.
- SparkPost
- Trial availability varies
Published plans
- Mandrill
- Try for free, Transactional Email
- SparkPost
- Free, Startup, Growth, Enterprise
Prices checked
- Mandrill
- 2026-10-08
- SparkPost
- 2026-10-08
Email APIs monthly cost
Mandrill: $0SparkPost: $0
Cost by emails
Cost curve data
| emails | Mandrill | SparkPost |
|---|---|---|
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
0
- Mandrill
- $0
- SparkPost
- $0
0
- Mandrill
- $0
- SparkPost
- $0
0
- Mandrill
- $0
- SparkPost
- $0
0
- Mandrill
- $0
- SparkPost
- $0
0
- Mandrill
- $0
- SparkPost
- $0
0
- Mandrill
- $0
- SparkPost
- $0
0
- Mandrill
- $0
- SparkPost
- $0
Email APIs feature comparison
| Email APIs | Mandrill | SparkPost |
|---|---|---|
| Sending domains | Not listed | 1 |
| Emails / month | Not listed | 1,000 |
| Webhook endpoints | Not listed | 1 |
| Sending IP | Not listed | Shared |
Sending domains
- Mandrill
- Not listed
- SparkPost
- 1
Emails / month
- Mandrill
- Not listed
- SparkPost
- 1,000
Webhook endpoints
- Mandrill
- Not listed
- SparkPost
- 1
Sending IP
- Mandrill
- Not listed
- SparkPost
- Shared
Which email providers fit your needs?
Mandrill features & plan notes
- Send transactional emails via REST API or SMTP credentials
- Sold in blocks of 25,000 emails with volume discounts from $20 down to $10 per block
- Inbound email processing and real-time event webhooks
- Custom domain whitelabeling, dedicated IPs, and rules engine
- Up to 500 free email sends to your verified domain
- Streamlined template editing with drag and drop builder
- Developer documentation, guides, and SDK repositories
- Connect AI coding assistant directly through first-party MCP server
SparkPost features & plan notes
- Deliverability analytics
- Enterprise scale
- Predictive signals
- No credit card
- 50/day cap
- 1 webhook endpoint
- 1 sending domain
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