diff --git a/reference/tax.v3.yml b/reference/tax.v3.yml
index 7245e86dc..8a1891a7e 100644
--- a/reference/tax.v3.yml
+++ b/reference/tax.v3.yml
@@ -207,6 +207,12 @@ components:
                 Describes whether the stored credentials are considered complete and configured, ready to be used for Tax Provider API requests.
 
                 Merchants may enable any **configured** tax provider for storefront tax quotation.
+            profile:
+              type: string
+              description: |-
+                When supported by the tax provider configuration, the profile value is used to generate a unique Tax Provider API request URL for this connection.
+                
+                If not set, this value will be blank. Please ensure merchants set this value if using dynamic request URLs, blank values cannot generate valid URLs.
             target:
               type: object
               description: The countries and subdivisions in which this tax provider connection is active.