# Cloud Custodian C7n-Mailer

**Canonical:** https://apis.io/apis/cloud-custodian/cloud-custodian-c7n-mailer/  
**Provider:** Cloud Custodian — https://apis.io/providers/cloud-custodian/  
**Documentation:** https://cloudcustodian.io/docs/tools/c7n-mailer.html

Cloud Custodian C7n-Mailer is one of 6 APIs that [Cloud Custodian](https://apis.io/providers/cloud-custodian/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Alerting, Email, Notification, and Slack. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.

c7n-mailer is a Cloud Custodian notification tool that subscribes to an SQS queue populated by policy actions and sends notifications via SES email, Slack messages, or integrations with DataDog and Splunk. It enables teams to alert resource owners when Custodian policies detect policy violations.

## Machine-readable artifacts (2)

- **Documentation** — https://cloudcustodian.io/docs/tools/c7n-mailer.html
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/cloud-custodian/refs/heads/main/asyncapi/cloud-custodian-mailer-asyncapi.yml

## Other Cloud Custodian APIs (5)

- [Cloud Custodian](https://apis.io/apis/cloud-custodian/cloud-custodian/)
- [Cloud Custodian AWS Provider](https://apis.io/apis/cloud-custodian/cloud-custodian-aws/)
- [Cloud Custodian Azure Provider](https://apis.io/apis/cloud-custodian/cloud-custodian-azure/)
- [Cloud Custodian GCP Provider](https://apis.io/apis/cloud-custodian/cloud-custodian-gcp/)
- [Cloud Custodian C7n-Org](https://apis.io/apis/cloud-custodian/cloud-custodian-c7n-org/)

## Tags

Alerting, Email, Notification, Slack

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cloud-custodian/cloud-custodian-c7n-mailer/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cloud-custodian/.