Email APIs · side by side
Mailgun vs Omnisend
Compare Mailgun, Omnisend 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.
Mailgun
Omnisend
Mailgun
$90 / mo
Scale · 100K emails
Omnisend
$0 / mo
Free · 0 contacts
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 | Mailgun | Omnisend |
|---|---|---|
| Provider | Sinch | Omnisend |
| Billing unit | emails | contacts |
| Plan at selected usage | Scale | Free |
| Monthly estimate | $90/mo | $0/mo |
| Workload | 100K emails | 0 contacts |
| Free access | 100 emails/day | Free for up to 250 contacts and 500 emails/month with access to core automations, templates, and signup forms. |
| Published plans | Free, Basic, Foundation, Scale | Free, Standard, Pro, Custom |
| Prices checked | 2026-10-08 | 2026-10-08 |
- Mailgun
- Sinch
- Omnisend
- Omnisend
- Mailgun
- emails
- Omnisend
- contacts
- Mailgun
- Scale
- Omnisend
- Free
- Mailgun
- $90/mo
- Omnisend
- $0/mo
- Mailgun
- 100K emails
- Omnisend
- 0 contacts
- Mailgun
- 100 emails/day
- Omnisend
- Free for up to 250 contacts and 500 emails/month with access to core automations, templates, and signup forms.
- Mailgun
- Free, Basic, Foundation, Scale
- Omnisend
- Free, Standard, Pro, Custom
- Mailgun
- 2026-10-08
- Omnisend
- 2026-10-08
Email APIs monthly cost
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
| Email APIs | Mailgun | Omnisend |
|---|---|---|
| Custom sending domains | 1,000 | Not listed |
| Log retention | 30 days | Not listed |
| Message retention | Up to 7 days | Not listed |
| Inbound routes | Full access | Not listed |
| Email validations | 5,000 included | Not listed |
| SAML SSO | Not listed | |
| Phone & chat support | Not listed | |
| Email sends per month | Not listed | 500 |
| Web push notifications | Not listed | 500 |
| Custom Events | Not listed | Unlimited |
| Omnisend Branding (Newsletters) | Not listed | Required |
| Segmentation | Not listed | Unlimited |
| Web Tracking Data History | Not listed | Unlimited |
| Omnisend Branding (Signup forms) | Not listed | Required |
| Number of Active Signup Forms | Not listed | Unlimited |
| Number of Additional Fields | Not listed | Unlimited |
- Mailgun
- 1,000
- Omnisend
- Not listed
- Mailgun
- 30 days
- Omnisend
- Not listed
- Mailgun
- Up to 7 days
- Omnisend
- Not listed
- Mailgun
- Full access
- Omnisend
- Not listed
- Mailgun
- 5,000 included
- Omnisend
- Not listed
- Mailgun
- Omnisend
- Not listed
- Mailgun
- Omnisend
- Not listed
- Mailgun
- Not listed
- Omnisend
- 500
- Mailgun
- Not listed
- Omnisend
- 500
- Mailgun
- Not listed
- Omnisend
- Unlimited
- Mailgun
- Not listed
- Omnisend
- Required
- Mailgun
- Not listed
- Omnisend
- Unlimited
- Mailgun
- Not listed
- Omnisend
- Unlimited
- Mailgun
- Not listed
- Omnisend
- Required
- Mailgun
- Not listed
- Omnisend
- Unlimited
- Mailgun
- Not listed
- Omnisend
- Unlimited
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Which email providers fit your needs?
Mailgun features & plan notes
- Email validation
- Inbound routing
- EU region
- SAML SSO
- 5,000 email validations
- Dedicated IP pools
- 30 days log retention
- Extra emails from $1.10 / 1,000
Omnisend features & plan notes
- Ecommerce-tailored automations for cart abandonment, order confirmations, and win-back flows
- Multi-channel support including email, SMS, and web push notifications
- Extensive REST API for managing contacts, custom events, orders, and campaigns
- Dynamic product recommendation and discount code content blocks
- 500 monthly emails
- 250 contacts
- 500 Web Push notifications
- Free migration
- 24/7 support
- Omnisend MCP
- Account expert (from $400)
- No Omnisend branding
- Advanced reporting
- Dynamic content
- Personalized product recommender AI
- Personalized sending time
- Forms AI
- Reports AI
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