Approval Notification Variables and Templates

API product subscription notifications sent to contact points can include dynamic approval data. Use approval variables in email content and webhook messages to identify the applicant, approval, and API product.

Approval variables use Go template syntax and are delimited by {{ and }}, for example, {{ .ApprovalID }}. Variables are not evaluated in the email subject.

Approval Variables

The following variables are available:

Variable	Description
{{ .ApplicantID }}	ID of the developer who requested the subscription.
{{ .ApplicantName }}	Display name of the developer who requested the subscription.
{{ .AppliedAt }}	Time when the subscription request was submitted, formatted as a 24-hour timestamp, for example, 2026-07-28 14:30:45.
{{ .ApprovalID }}	ID of the approval record.
{{ .ResourceID }}	ID of the API product associated with the subscription.
{{ .ResourceName }}	Name of the API product associated with the subscription.
{{ .Event }}	Approval resource type. For API product subscription notifications, the value is api_product_subscription.

The notification event configured on the API product, such as subscription_approval_created or subscription_approval_accepted, determines when the notification is sent. That lifecycle event is not exposed as a template variable.

Email Content Template

The following example creates a plain-text email body:

Approval request {{ .ApprovalID }}

Applicant: {{ .ApplicantName }} ({{ .ApplicantID }})
API product: {{ .ResourceName }} ({{ .ResourceID }})
Submitted at: {{ .AppliedAt }}
Approval type: {{ .Event }}

Webhook Message Template

Use the escape template function for values that can contain quotation marks, backslashes, or control characters. This keeps the rendered message valid JSON.

{
  "applicant": "{{ .ApplicantName | escape }}",
  "applicant_id": "{{ .ApplicantID }}",
  "timestamp": "{{ .AppliedAt }}",
  "approval_id": "{{ .ApprovalID }}",
  "resource_id": "{{ .ResourceID }}",
  "resource": "{{ .ResourceName | escape }}",
  "event": "{{ .Event }}"
}