Developer docs · InboxRatio Editorial

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

Every link below points into Mailtrap'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 Mailtrap's official docs · checked 10 September 2026

Docs, SDKs and limits

Developer docs: docs.mailtrap.io/
API reference: docs.mailtrap.io/developers
SDK languages: .NETElixirGoJavaNode.jsPHPPythonRubyAs listed in Mailtrap's official SDK docs
SMTP relay: Yes · SMTP docs
Webhooks: Webhook docs
Pricing page: mailtrap.io/pricing/?tab=email-api

From our feature matrix — documented by the vendor

API, SMTP and sending auth

APIEmail API core product
SDKs / client librariesSDKs incl. PHP, Node.js, Python, Ruby, Elixir, Scala, Perl, Java, C#, .NET
Public API docsPublic API documentation / Help Center
Webhooks'Get all event information pushed to your system' (unsubscribes, spam complaints, bounces); all paid tiers, not on Free
SMTP APISMTP alongside API
SMTP relay'Email API/SMTP for reliable email sending'
Transactional email'Email API and SMTP Reliably send transactional and promo emails'
SPF assistance'Add and verify your domain using the given DNS records (DKIM, SPF, DMARC)'
DKIM setupDKIM record provided at domain verification (same quote)
DMARC supportDMARC record provided at domain verification (same quote)

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 Mailtrap plans start at $20/mo (Basic), checked 19 August 2026. Full Mailtrap pricing by volume

Generated from our datasets — every value verified and dated

Frequently asked questions

Where are the official Mailtrap API docs?

Mailtrap's official developer documentation is at https://docs.mailtrap.io/, and the API reference is at https://docs.mailtrap.io/developers. Links checked on 10 September 2026.

Does Mailtrap have an SDK for Python?

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

Does Mailtrap support SMTP relay?

Yes. Mailtrap's official docs document SMTP relay sending: https://docs.mailtrap.io/email-api-smtp/setup/smtp-integration (checked 10 September 2026).

Does Mailtrap offer webhooks?

Yes. Mailtrap's official docs cover webhook event notifications: https://docs.mailtrap.io/email-api-smtp/advanced/webhooks (checked 10 September 2026).