> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://www.agentmail.to/docs/llms.txt.

# Metrics

> AgentMail is the first email provider built for AI agents. Create inboxes, send and receive messages, manage threads, and handle webhooks programmatically. Free tier, no credit card required.


## API Docs

- Metrics [Query Events](https://agentmail.to/docs/api-reference/inboxes/metrics/query-events.md)
- Metrics [Query Usage](https://agentmail.to/docs/api-reference/inboxes/metrics/query-usage.md)
- Metrics [Query Rates](https://agentmail.to/docs/api-reference/inboxes/metrics/query-rates.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://agentmail.to/docs/openapi.json)
- [OpenAPI YAML](https://agentmail.to/docs/openapi.yaml)