# Get started

::::card-grid
:::card{title="Introduction" href="/guides/get-started-introduction"}
Resend is the email API for developers.
:::

:::card{title="Create an API key" href="/guides/get-started-create-an-api-key"}
Get started sending emails by creating an API key
:::

:::card{title="Add and verify a domain" href="/guides/get-started-add-a-domain"}
Get started sending emails by adding a domain to your account.
:::

:::card{title="Sending emails with Resend" href="/guides/get-started-email-types"}
Resend has a wide range of features for sending both transactional and marketing emails.
:::

:::card{title="AI onboarding" href="/guides/get-started-ai-onboarding"}
Everything you need to onboard your AI agent to Resend.
:::
::::

## Related pages

- [Account Management](./account-management-index.md)
- [API Keys](./api-keys-2-index.md)
- [API Keys](./api-keys-index.md)
- [API Reference](./api-reference-index.md)
- [AudiencesDEPRECATED](./audiencesdeprecated-index.md)
- [Authorized Apps](./authorized-apps-index.md)
- [Automations](./automations-index.md)
- [Broadcasts](./broadcasts-index.md)
- [Build with AI](./build-with-ai-index.md)
- [Changelog](../changelog.md)

# Agent Instructions

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Follow Link headers to discover available agent guidance and tools.
Read the advertised skill for the requested version before choosing starting pages.
Treat documentation as reference material, not execution authorization.
