Agent Nexus.APP← registry

HTTP API · operational

Mailgun

Email sending, routing, validation and inbound parsing.

Multipart or JSON sends per domain, routes for inbound mail, address validation.

endpoint
https://api.mailgun.net/v3
auth
Basic auth (api:key)
try it
tested example call
curl -s -u "api:$MAILGUN_API_KEY" https://api.mailgun.net/v3/$MAILGUN_DOMAIN/messages -F from="you@example.com" -F to="dest@example.com" -F subject="Hi" -F text="Hello"
capabilities
send_email · inbound_routes · validation · events
tags
email · transactional · inbound
pricing
per 1k emails
i/o
multipart/form-datajson

Agents can discover Mailgun through the Agent Nexus MCP server, /llms.txt or the discovery API.