Staxly

GitHub Actions vs Mailgun

CI/CD native to GitHub — workflows + marketplace + hosted runners
vs. Email API for developers with deep deliverability tooling

GitHub ActionsMailgun website

Pricing tiers

GitHub Actions

Public Repos
$0. Free unlimited minutes on hosted runners (Linux). No private runners.
$0 base (usage-based)
Free (Personal)
$0. 2,000 minutes/mo private repos (Linux). 500MB Packages storage.
Free
Per-minute Overage
$0.008/min Linux ($0.08 macOS, $0.016 Windows) after included minutes.
$0/mo
Team
$4/user/mo. 3,000 minutes/mo. 2GB storage. Org management.
$4/mo
Enterprise
$21/user/mo. 50,000 minutes/mo. 50GB storage. SAML SSO, audit.
$21/mo
GitHub Actions

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
Mailgun website

Free-tier quotas head-to-head

Comparing free on GitHub Actions vs free on Mailgun.

MetricGitHub ActionsMailgun
No overlapping quota metrics for these tiers.

Features

GitHub Actions · 18 features

  • Actions CachePersistent cache across runs.
  • Actions Marketplace20K+ reusable actions.
  • ARC (K8s Controller)Autoscale self-hosted on K8s.
  • ArtifactsUpload/download job outputs.
  • Composite ActionsActions made of other actions.
  • Concurrency GroupsCancel / queue overlapping runs.
  • Container JobsRun a whole job in a Docker image.
  • Environments + ApprovalsGate deploys with manual approval.
  • Job SummariesMarkdown summaries in UI.
  • Larger Runners4-64 vCPU, ARM, GPU.
  • Matrix StrategyFan out over axes.
  • OIDC Cloud AuthExchange JWT for cloud credentials.
  • Reusable Workflowsworkflow_call.
  • Secrets + VariablesEncrypted org/repo/env secrets.
  • Self-Hosted RunnersYour own runners.
  • Service ContainersSidecar containers (DBs, Redis) per job.
  • Triggerspush, pull_request, schedule, workflow_dispatch, etc.
  • WorkflowsEvent-driven YAML workflows.

Mailgun · 14 features

  • Batch SendingSend up to 1,000 recipients per API call via recipient variables.
  • Dedicated IPsIP pools with auto warmup. Scale+ tier.
  • Deliverability SuiteInbox placement testing, DMARC reporting, seed lists.
  • Email LogsSearchable log of all send attempts + events.
  • Email TemplatesTemplate builder + variables + versioning.
  • Email ValidationReal-time email verification (syntax, MX, role accounts, disposable).
  • EU RegionData stored in EU for GDPR-sensitive customers.
  • Inbound RoutingRoute incoming emails to URLs/SMTP. Attachment forwarding.
  • Mailing ListsUnlimited mailing lists with bulk subscribe/unsubscribe.
  • Open/Click TrackingHTML + text tracking with configurable tracking domain.
  • SAML SSOScale+ tier.
  • Send APIREST/SMTP send with MIME + tracking.
  • TagsTag messages to slice stats.
  • Webhook Eventsdelivered, opened, clicked, unsubscribed, complained, permanent_fail, temporary_

Developer interfaces

KindGitHub ActionsMailgun
CLIgh run CLI
SDK@actions/* toolkitmailgun.js (Node), mailgun-php, mailgun-python, mailgun-ruby
RESTGitHub Actions REST APIMailgun REST API
GRAPHQLGitHub GraphQL (Actions)
OTHERActions Marketplace, Actions Tab (Web), workflow_* webhooks, Workflow YAMLInbound Routing, SMTP Relay, Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to GitHub Actions and Mailgun are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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