> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://docs.agentmail.to/llms.txt. # Events > 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 - Events [Message Received](https://agentmail.to/docs/api-reference/webhooks/events/message-received.md) - Events [Message Sent](https://agentmail.to/docs/api-reference/webhooks/events/message-sent.md) - Events [Message Delivered](https://agentmail.to/docs/api-reference/webhooks/events/message-delivered.md) - Events [Message Bounced](https://agentmail.to/docs/api-reference/webhooks/events/message-bounced.md) - Events [Message Complained](https://agentmail.to/docs/api-reference/webhooks/events/message-complained.md) - Events [Message Rejected](https://agentmail.to/docs/api-reference/webhooks/events/message-rejected.md) - Events [Message Opened](https://agentmail.to/docs/api-reference/webhooks/events/message-opened.md) - Events [Domain Verified](https://agentmail.to/docs/api-reference/webhooks/events/domain-verified.md) - Events [Calendar Event Created](https://agentmail.to/docs/api-reference/webhooks/events/calendar-event-created.md) - Events [Calendar Event Updated](https://agentmail.to/docs/api-reference/webhooks/events/calendar-event-updated.md) - Events [Calendar Event Deleted](https://agentmail.to/docs/api-reference/webhooks/events/calendar-event-deleted.md) - Events [Calendar Event Responded](https://agentmail.to/docs/api-reference/webhooks/events/calendar-event-responded.md) - Events [Calendar Event Starting](https://agentmail.to/docs/api-reference/webhooks/events/calendar-event-starting.md) - Events [Calendar Event Ending](https://agentmail.to/docs/api-reference/webhooks/events/calendar-event-ending.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://agentmail.to/docs/api-reference/webhooks/events/openapi.json) - [OpenAPI YAML](https://agentmail.to/docs/api-reference/webhooks/events/openapi.yaml)