Developer docs · InboxRatio Editorial

Mailgun email API: SDKs, docs and limits (2026)

Every link below points into Mailgun's official developer documentation and was checked on 10 September 2026. We record only what the vendor documents — a field we could not verify at the source is left out, never guessed.

From Mailgun's official docs · checked 10 September 2026

Docs, SDKs and limits

Developer docs: documentation.mailgun.com/docs/mailgun/
API reference: documentation.mailgun.com/docs/mailgun/api-reference/api-overview
SDK languages: GoJavaNode.jsPHPPythonRubyAs listed in Mailgun's official SDK docs
SMTP relay: Yes · SMTP docs
Webhooks: Webhook docs
Pricing page: www.mailgun.com/pricing/

From our feature matrix — documented by the vendor

API, SMTP and sending auth

API'RESTful email API... programmatically send, receive, and track emails' on all plans incl Free
SDKs / client libraries'Our comprehensive documentation and SDKs make it easy to get started'
Public API docsPublic documentation portal
Webhooks'Email Event Webhooks: Push email campaign data to other apps' — all plans incl Free
SMTP APISMTP relay on all plans
SMTP relay'Mailgun's SMTP relays eliminate the need for legacy senders to host their own server'
Transactional email'Transactional Email Platform'
SPF assistance'Email authentication and TLS encryption secure email transmission' — sending-domain setup includes SPF/DKIM records
DKIM setupDomain authentication at sending-domain setup
DMARC supportAuthentication guidance covers SPF/DKIM; DMARC monitoring not stated as a product on fetched pages

Features checked 10 September 2026. ✓ documented · ◐ limited or plan-gated · × documented as absent · — not documented. Documentation is not a measured result — see our methodology.

Pricing snapshot

Paid Mailgun plans start at $15/mo (Basic), checked 19 August 2026. Full Mailgun pricing by volume

Generated from our datasets — every value verified and dated

Frequently asked questions

Where are the official Mailgun API docs?

Mailgun's official developer documentation is at https://documentation.mailgun.com/docs/mailgun/, and the API reference is at https://documentation.mailgun.com/docs/mailgun/api-reference/api-overview. Links checked on 10 September 2026.

Does Mailgun have an SDK for Python?

Yes. Python is among the SDK languages listed in Mailgun's official docs: Go, Java, Node.js, PHP, Python and Ruby (checked 10 September 2026).

Does Mailgun support SMTP relay?

Yes. Mailgun's official docs document SMTP relay sending: https://documentation.mailgun.com/docs/mailgun/user-manual/sending-messages/send-smtp (checked 10 September 2026).

Does Mailgun offer webhooks?

Yes. Mailgun's official docs cover webhook event notifications: https://documentation.mailgun.com/docs/mailgun/api-reference/send/mailgun/domain-webhooks (checked 10 September 2026).