Email APIs · side by side
SMTP2GO vs SparkPost
Compare SMTP2GO, SparkPost by sending volume, delivery webhooks, inbound email, domain limits and retention.
Email APIs pricing calculator
0
SMTP2GO
$0 / mo
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 | SMTP2GO | SparkPost |
|---|---|---|
| Provider | SMTP2GO | Bird |
| Billing unit | emails | emails |
| Plan at selected usage | Free | Free |
| Monthly estimate | $0/mo | $0/mo |
| Workload | 0 emails | 0 emails |
| Free access | 1,000 emails/month (capped at 200 emails/day), 5 days of reporting, ticket support, and no credit card required. | Trial availability varies |
| Published plans | Free, Starter, Professional, Premier | Free, Startup, Growth, Enterprise |
| Prices checked | 2026-10-08 | 2026-10-08 |
Provider
- SMTP2GO
- SMTP2GO
- SparkPost
- Bird
Billing unit
- SMTP2GO
- emails
- SparkPost
- emails
Plan at selected usage
- SMTP2GO
- Free
- SparkPost
- Free
Monthly estimate
- SMTP2GO
- $0/mo
- SparkPost
- $0/mo
Workload
- SMTP2GO
- 0 emails
- SparkPost
- 0 emails
Free access
- SMTP2GO
- 1,000 emails/month (capped at 200 emails/day), 5 days of reporting, ticket support, and no credit card required.
- SparkPost
- Trial availability varies
Published plans
- SMTP2GO
- Free, Starter, Professional, Premier
- SparkPost
- Free, Startup, Growth, Enterprise
Prices checked
- SMTP2GO
- 2026-10-08
- SparkPost
- 2026-10-08
Email APIs monthly cost
SMTP2GO: $0SparkPost: $0
Cost by emails
Cost curve data
| emails | SMTP2GO | SparkPost |
|---|---|---|
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
| 0 | $0 | $0 |
0
- SMTP2GO
- $0
- SparkPost
- $0
0
- SMTP2GO
- $0
- SparkPost
- $0
0
- SMTP2GO
- $0
- SparkPost
- $0
0
- SMTP2GO
- $0
- SparkPost
- $0
0
- SMTP2GO
- $0
- SparkPost
- $0
0
- SMTP2GO
- $0
- SparkPost
- $0
0
- SMTP2GO
- $0
- SparkPost
- $0
Email APIs feature comparison
| Email APIs | SMTP2GO | SparkPost |
|---|---|---|
| Sending domains | Not listed | 1 |
| Emails / month | Not listed | 1,000 |
| Webhook endpoints | Not listed | 1 |
| Sending IP | Not listed | Shared |
Sending domains
- SMTP2GO
- Not listed
- SparkPost
- 1
Emails / month
- SMTP2GO
- Not listed
- SparkPost
- 1,000
Webhook endpoints
- SMTP2GO
- Not listed
- SparkPost
- 1
Sending IP
- SMTP2GO
- Not listed
- SparkPost
- Shared
Which email providers fit your needs?
SMTP2GO features & plan notes
- SMTP relay and RESTful API integration with global data centers
- Real-time analytics and tracking for delivery, opens, clicks, bounces, and spam complaints
- Email overage support allowing sending up to 3x plan limits on paid tiers
- Subaccount management and unlimited team members on all paid plans
- Dedicated IP included on Professional plans starting at 100,000 emails/month
- Up to 1,000 emails per month
- No credit card required
- Ticket support
- Toll-free phone and live chat support limited to 14 days
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 pricingSMTP2GO vs SparkPost — FAQ
SMTP2GO: $0/month on Free at 0 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.
SMTP relay and RESTful API integration with global data centers, Real-time analytics and tracking for delivery, opens, clicks, bounces, and spam complaints, Email overage support allowing sending up to 3x plan limits on paid tiers, Subaccount management and unlimited team members on all paid plans, Dedicated IP included on Professional plans starting at 100,000 emails/month. Free access: 1,000 emails/month (capped at 200 emails/day), 5 days of reporting, ticket support, and no 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.