Feat(M&B): Notifications

[lmilan]

Description

Fixes #4341
Fixes #4248

Preview Links

• https://deploy-preview-4897--kongdeveloper.netlify.app/metering-and-billing/notifications/
• https://deploy-preview-4897--kongdeveloper.netlify.app/metering-and-billing/entitlements/#entitlement-enforcement
• https://deploy-preview-4897--kongdeveloper.netlify.app/metering-and-billing/subscriptions/

Checklist

• Tested how-to docs. If not, note why here.
• All pages contain metadata.
• Any new docs link to existing docs.
• All autogenerated instructions render correctly (API, decK, Konnect, Kong Manager).
• Style guide (capitalized gateway entities, placeholder URLs) implemented correctly.
• Every page has a description entry in frontmatter.
• Add new pages to the product documentation index (if applicable).

[netlify]

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[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adds new Metering & Billing documentation for Notifications and Subscriptions, while splitting “Billing, invoicing, and subscriptions” into separate pages and updating navigation/links accordingly.

Changes:

• Added new reference pages for Notifications and Subscriptions
• Updated existing M&B docs to link to the new pages and added entitlement-enforcement guidance callouts
• Renamed/repurposed the billing page and introduced a redirect from the old combined URL

Reviewed changes

Copilot reviewed 16 out of 16 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
app/metering-and-billing/subscriptions.md	New subscriptions reference page (plan changes, customization, cancellation, migration).
app/metering-and-billing/notifications.md	New notifications reference page (webhook channels, rules, events, enforcement guidance).
app/metering-and-billing/billing-invoicing-subscriptions.md	Re-scoped content to billing/invoicing and links out to Subscriptions page.
app/metering-and-billing/entitlements.md	Adds “Entitlement enforcement” section and links to Notifications/Subscriptions.
app/metering-and-billing/product-catalog.md	Adds subscriptions cross-link and entitlement enforcement callout.
app/metering-and-billing/overview.md	Updates related resources and capability links to new split pages.
app/metering-and-billing/customer.md	Adds related resource link to Subscriptions page.
app/metering-and-billing/stripe-integration.md	Fixes heading capitalization and updates billing profile link target.
app/_redirects	Redirects legacy combined billing/invoicing/subscriptions page to new billing/invoicing URL.
app/_landing_pages/metering-and-billing.yaml	Updates card links and adds a Notifications card.
app/_indices/metering-and-billing.yaml	Updates index paths/URLs and adds Notifications to the index.
app/_how-tos/metering-and-billing/meter-and-bill-active-users.md	Updates related resources and subscription link to new Subscriptions page.
app/_how-tos/metering-and-billing/get-started-with-metering-and-billing.md	Updates related resources and subscription link to new Subscriptions page.
app/_how-tos/gateway/meter-api-requests-by-consumer.md	Updates related resources and adjusts wording/link to billing/invoicing.
app/_how-tos/gateway/get-started-with-metering-and-billing.md	Adds entitlement enforcement callout and updates related resources link.
app/_how-tos/ai-gateway/meter-llm-traffic.md	Adds entitlement enforcement callout and updates related resources link.