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# Callout templates

## Docs

- [Callout template overview](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/callout-templates/callout-template-overview.md): Callout templates specify details of callout notifications, such as the HTTP method, request URL, and request body.
- [Create a callout template](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/callout-templates/create-a-callout-template.md): Learn how to create callout templates in the Zuora UI.
- [Insert merge fields into callout templates](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/callout-templates/insert-merge-fields-into-callout-templates.md): Describes how to use merge fields to include related object data in the request URL, request body, HMAC authentication data, or custom headers of a callout template.
- [Insert merge fields into the request body of callout templates](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/callout-templates/insert-merge-fields-into-the-request-body-of-callout-templates.md): Describes how to use merge fields to include related object data in request body of a callout template.
- [Preview the callout request of a callout template](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/callout-templates/preview-the-callout-request-of-a-callout-template.md): Learn how to specify an object to preview the callout request of a callout template.
- [View callout templates](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/callout-templates/view-callout-templates.md): Learn how to view detailed information on each callout template, including the template name, description, related notifications, and status.