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Mailgun

Communications

Transactional email sending, tracking, and validation

Mailgun is a developer-first email API for sending, receiving, and tracking transactional and marketing emails. Trusted by millions of developers.

Details

Auth Type

API Key (HTTP Basic auth with api key)

Rate Limit

100 req/s

Pricing

Free 100 emails/day (trial); from $35/month

Full Docs

API Key (HTTP Basic auth with api key)

1. Go to https://app.mailgun.com/settings/api_security 2. Copy your API key 3. Paste it in the API Key field

Get API Credentials

Getting Started

Try It Instantly

Click "Try It" above to test the API in the playground

Add to Your Agent

Click "Add to Agent" to get your API key and integrate

Common Use Cases

Transactional email

Email validation

Bounce tracking

Inbound email parsing

A/B testing

💻 Code Examples

Get started quickly with these code examples in your favorite language

curl -X GET \
  'https://www.callio.dev/api/proxy/mailgun/forward?target=https%3A%2F%2Fapi.mailgun.net%2Fendpoint' \
  -H 'Authorization: Bearer YOUR_CALLIO_KEY' \
  -H 'Content-Type: application/json'

💡 Tip: Replace YOUR_CALLIO_KEY with your actual Callio API key from the dashboard.

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