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Emailactive

Mailgun API for coding agents

View Agent Bench results API docs

Mailgun gives coding agents a familiar SDK and REST integration path. Its public setup result was clean, though its agent-specific discovery assets are thinner than Resend's.

#4of 7
Email API agent readiness

Completed a clean public setup run and offers mature SDKs, but has fewer agent-specific integration assets than the providers above it.

Last checked Aug 17, 2026 4 primary sources Public setup result
Public evidence

1m 11s public setup run with 0 recorded errors.

Public setup benchmark measured an autonomous setup run using Claude Code · Opus 4.6.

First-party integration signals

Official SDKsSix server languages
Sandbox domainRestricted test sending
Domain keysNarrower sending access
MCP serverNot found
llms.txtNot confirmed
OpenAPINot found
Public setup run

Claude Code · Opus 4.6

Setup run completed

Mailgun completed the second-fastest public setup run, with no recorded errors and one human interruption.

Time
1m 11s
Errors
0
Interruptions
1
Cost
$0.41
This setup result is separate from the All Them APIs task score.
View Agent Bench results
Agent verdict

Can a coding agent use Mailgun? Yes, through an SDK.

Mailgun has a conventional API and mature official SDKs. A coding agent can integrate it reliably, but there is no first-party MCP or agent-specific setup path in the sources we reviewed.

Strong SDK path; limited agent packaging
Recommended setupOfficial Node.js SDK
Node.js / TypeScriptnpm install mailgun.js form-data

Use MAILGUN_API_KEY from the server environment and select the correct US or EU API base.

Pythonpip install requests

Mailgun's Python examples use HTTP Basic Auth with username api and the API key as the password.

Open official setup documentation
Supported workflows

Common Mailgun workflows

Send transactional email
Route inbound email
Validate email addresses
Track delivery and engagement
Decision guide

Is Mailgun a fit?

Good fit

  • Teams that need sending plus inbound routing
  • Applications that need email validation
  • Multi-language backends using established SDKs

Check before shipping

  • No first-party MCP server found
  • Region selection can trip up an otherwise correct integration
  • Sandbox recipients must be authorized
Reference

API limits and source records

Base URL, authentication, pricing, SDKs, rate limits, and checked documentation.

API basics
Base URL
https://api.mailgun.net/v3
Authentication
HTTP Basic Auth with API key
Free tier
Trial and sandbox access vary by current plan
Rate limit
Endpoint and plan dependent; check response headers and account limits
Testing
A sandbox domain can send to authorized recipients before a production domain is verified
6 official SDKs
Node.jsPythonGoPHPJavaRuby
4 checked sources
API authenticationBasic authentication · API keysNode.js SDKinstallation · client setup · EU endpointOfficial SDKsofficial language coveragePricingplans · sending volume
Pricing, status, and alternatives
PricingStatusChangelogGitHubResendPostmarkSendGrid

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