Update API Shield availability for SaaS zones

Author: RebeccaTamachiro

src/content/docs/cloudflare-for-platforms/cloudflare-for-saas/saas-customers/product-compatibility.mdx

@@ -24,7 +24,7 @@ This is not an exhaustive list of Cloudflare products and features.
 | Product                                                                                             | Customer zone | SaaS provider zone | Notes                                                                                                                                                                                                                                                                                                                                                             |
 | --------------------------------------------------------------------------------------------------- | ------------- | ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | [Access](/cloudflare-for-platforms/cloudflare-for-saas/security/secure-with-access/)                | Yes           | Yes                |                                                                                                                                                                                                                                                                                                                                                                   |
-| [API Shield](/api-shield/)                                                                          | Yes           | No                 |                                                                                                                                                                                                                                                                                                                                                                   |
+| [API Shield](/api-shield/)                                                                          | Yes           | Yes\*                 | Some features are available for SaaS provider zones: [endpoint management](/api-shield/management-and-monitoring/) with authenticated (`Session Identifier`) [API Discovery](/api-shield/security/api-discovery/), [endpoint schema learning](/api-shield/management-and-monitoring/#endpoint-schema-learning), and threshold recommendation. |
 | [Argo Smart Routing](/argo-smart-routing/)                                                          | No            | Yes                | Customer zones can still use Smart Routing for non-O2O traffic.                                                                                                                                                                                                                                                                                                   |
 | [Bot Management](/bots/plans/bm-subscription/)                                                      | Yes         | Yes              |                                                                                                                                                                                                                                                                                       |
 | [Browser Integrity Check](/waf/tools/browser-integrity-check/)                                      | Yes           | Yes                |                                                                                                                                                                                                                                                                                                                                                                   |