Mailgun vs Temporal
Email API for developers with deep deliverability tooling
vs. Durable execution platform for mission-critical workflows
Pricing tiers
Mailgun
Free
100 emails/day. 1 custom domain, 1-day log retention, 1 inbound route. No credit card.
Free
Basic
$15/month. 10,000 emails/month, no daily limit, 5 inbound routes.
$15/mo
Foundation
$35/month (1st month free). 50,000 emails/month, 1,000 custom domains, 5-day retention.
$35/mo
Scale
$90/month. 100,000 emails/month, SAML SSO, 5,000 email validations, dedicated IP pools, 30-day retention.
$90/mo
Enterprise
Custom. Deliverability services, managed onboarding.
Custom
Temporal
Self-Hosted (OSS)
Free forever. MIT license. Run the Temporal cluster yourself on K8s/Docker.
$0 base (usage-based)
Cloud (usage-based)
Temporal Cloud. Pay per action ($25 per 1M actions base). Active user + storage also billed.
$0 base (usage-based)
Business Plan
Starts ~$100/mo commit. Multi-region, SSO, priority support.
Custom
Enterprise
Custom. HIPAA, PCI, dedicated clusters, enterprise SLA.
Custom
Free-tier quotas head-to-head
Comparing free on Mailgun vs oss on Temporal.
| Metric | Mailgun | Temporal |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Mailgun · 14 features
- Batch Sending — Send up to 1,000 recipients per API call via recipient variables.
- Dedicated IPs — IP pools with auto warmup. Scale+ tier.
- Deliverability Suite — Inbox placement testing, DMARC reporting, seed lists.
- Email Logs — Searchable log of all send attempts + events.
- Email Templates — Template builder + variables + versioning.
- Email Validation — Real-time email verification (syntax, MX, role accounts, disposable).
- EU Region — Data stored in EU for GDPR-sensitive customers.
- Inbound Routing — Route incoming emails to URLs/SMTP. Attachment forwarding.
- Mailing Lists — Unlimited mailing lists with bulk subscribe/unsubscribe.
- Open/Click Tracking — HTML + text tracking with configurable tracking domain.
- SAML SSO — Scale+ tier.
- Send API — REST/SMTP send with MIME + tracking.
- Tags — Tag messages to slice stats.
- Webhook Events — delivered, opened, clicked, unsubscribed, complained, permanent_fail, temporary_…
Temporal · 16 features
- Activities — Retryable units of work.
- Activity Retries — Declarative retry policies.
- Child Workflows — Nested workflow composition.
- Continue-As-New — Close + restart workflow to prune history.
- Nexus (cross-namespace) — Call workflows across namespaces/teams.
- Queries — Synchronous read of workflow state.
- Saga / Compensations — Rollback pattern via compensating activities.
- Schedules — Cron-like recurring workflows.
- Self-Host — Deploy cluster on your infra.
- Signals — Async messages into a running workflow.
- Timers — Durable sleeps — hours, days, months.
- Update — Synchronous RPC into workflow with validation.
- Visibility + Search Attrs — Query workflow state via Elasticsearch/native store.
- Web UI — Inspect workflow history, events, stack.
- Workflows — Durable, replayable, long-running functions.
- Workflow Versioning — Patch workflow code without breaking in-flight runs.
Developer interfaces
| Kind | Mailgun | Temporal |
|---|---|---|
| CLI | — | temporal CLI |
| SDK | mailgun.js (Node), mailgun-php, mailgun-python, mailgun-ruby | Temporal Go SDK, temporalio (Python), @temporalio (TypeScript), Temporal Java SDK, Temporal .NET SDK, Temporal PHP SDK |
| REST | Mailgun REST API | — |
| OTHER | Inbound Routing, SMTP Relay, Webhooks | Temporal gRPC API, Temporal Web UI |
Staxly is an independent catalog of developer platforms. Outbound links to Mailgun and Temporal are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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