diff --git a/src/lib/seam/connect/models/acs/acs-entrance.ts b/src/lib/seam/connect/models/acs/acs-entrance.ts
index a53085d5..a157a178 100644
--- a/src/lib/seam/connect/models/acs/acs-entrance.ts
+++ b/src/lib/seam/connect/models/acs/acs-entrance.ts
@@ -1,5 +1,6 @@
 import { z } from 'zod'
 
+import { acs_entrance_avigilon_alta_metadata } from './metadata/avigilon-alta.js'
 import { acs_entrance_dormakaba_ambiance_metadata } from './metadata/dormakaba-ambiance.js'
 import {
   acs_entrance_assa_abloy_vostio_metadata,
@@ -142,6 +143,11 @@ export const acs_entrance = z
       .describe(
         'Brivo-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details).',
       ),
+    avigilon_alta_metadata: acs_entrance_avigilon_alta_metadata
+      .optional()
+      .describe(
+        'Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details).',
+      ),
   })
   .merge(acs_entrance_capability_flags).describe(`
   ---
diff --git a/src/lib/seam/connect/models/acs/acs-system.ts b/src/lib/seam/connect/models/acs/acs-system.ts
index c7949867..5f96e3b7 100644
--- a/src/lib/seam/connect/models/acs/acs-system.ts
+++ b/src/lib/seam/connect/models/acs/acs-system.ts
@@ -17,7 +17,7 @@ export const acs_location = z.object({
 // If changed, update seam.acs_system.external_type generated column
 export const acs_system_external_type = z.enum([
   'pti_site',
-  'alta_org',
+  'avigilon_alta_org',
   'salto_ks_site',
   'salto_space_system',
   'brivo_account',
diff --git a/src/lib/seam/connect/models/acs/metadata/avigilon-alta.ts b/src/lib/seam/connect/models/acs/metadata/avigilon-alta.ts
new file mode 100644
index 00000000..ee7cc846
--- /dev/null
+++ b/src/lib/seam/connect/models/acs/metadata/avigilon-alta.ts
@@ -0,0 +1,21 @@
+import { z } from 'zod'
+
+export const acs_entrance_avigilon_alta_metadata = z
+  .object({
+    entry_name: z.string().describe('Entry name for an Avigilon Alta system.'),
+    org_name: z
+      .string()
+      .describe('Organization name for an Avigilon Alta system.'),
+    zone_id: z.number().describe('Zone ID for an Avigilon Alta system.'),
+    zone_name: z.string().describe('Zone name for an Avigilon Alta system.'),
+    site_id: z.number().describe('Site ID for an Avigilon Alta system.'),
+    site_name: z.string().describe('Site name for an Avigilon Alta system.'),
+    entry_relays_total_count: z
+      .number()
+      .describe('Total count of entry relays for an Avigilon Alta system.'),
+  })
+  .describe('Avigilon Alta-specific metadata associated with the entrance.')
+
+export type AcsEntranceAvigilonAltaMetadata = z.infer<
+  typeof acs_entrance_avigilon_alta_metadata
+>
diff --git a/src/lib/seam/connect/openapi.ts b/src/lib/seam/connect/openapi.ts
index fc6b3bea..9a8fa6a5 100644
--- a/src/lib/seam/connect/openapi.ts
+++ b/src/lib/seam/connect/openapi.ts
@@ -4301,6 +4301,54 @@ const openapi: OpenAPISpec = {
             required: ['door_type', 'door_name'],
             type: 'object',
           },
+          avigilon_alta_metadata: {
+            description:
+              'Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details).',
+            properties: {
+              entry_name: {
+                description: 'Entry name for an Avigilon Alta system.',
+                type: 'string',
+              },
+              entry_relays_total_count: {
+                description:
+                  'Total count of entry relays for an Avigilon Alta system.',
+                format: 'float',
+                type: 'number',
+              },
+              org_name: {
+                description: 'Organization name for an Avigilon Alta system.',
+                type: 'string',
+              },
+              site_id: {
+                description: 'Site ID for an Avigilon Alta system.',
+                format: 'float',
+                type: 'number',
+              },
+              site_name: {
+                description: 'Site name for an Avigilon Alta system.',
+                type: 'string',
+              },
+              zone_id: {
+                description: 'Zone ID for an Avigilon Alta system.',
+                format: 'float',
+                type: 'number',
+              },
+              zone_name: {
+                description: 'Zone name for an Avigilon Alta system.',
+                type: 'string',
+              },
+            },
+            required: [
+              'entry_name',
+              'org_name',
+              'zone_id',
+              'zone_name',
+              'site_id',
+              'site_name',
+              'entry_relays_total_count',
+            ],
+            type: 'object',
+          },
           brivo_metadata: {
             description:
               'Brivo-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details).',
@@ -4846,7 +4894,7 @@ const openapi: OpenAPISpec = {
               'Brand-specific terminology for the [access control system](https://docs.seam.co/latest/capability-guides/access-systems) type.',
             enum: [
               'pti_site',
-              'alta_org',
+              'avigilon_alta_org',
               'salto_ks_site',
               'salto_space_system',
               'brivo_account',
@@ -4904,7 +4952,7 @@ const openapi: OpenAPISpec = {
             deprecated: true,
             enum: [
               'pti_site',
-              'alta_org',
+              'avigilon_alta_org',
               'salto_ks_site',
               'salto_space_system',
               'brivo_account',
@@ -24895,6 +24943,60 @@ const openapi: OpenAPISpec = {
                               required: ['door_type', 'door_name'],
                               type: 'object',
                             },
+                            avigilon_alta_metadata: {
+                              description:
+                                'Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details).',
+                              properties: {
+                                entry_name: {
+                                  description:
+                                    'Entry name for an Avigilon Alta system.',
+                                  type: 'string',
+                                },
+                                entry_relays_total_count: {
+                                  description:
+                                    'Total count of entry relays for an Avigilon Alta system.',
+                                  format: 'float',
+                                  type: 'number',
+                                },
+                                org_name: {
+                                  description:
+                                    'Organization name for an Avigilon Alta system.',
+                                  type: 'string',
+                                },
+                                site_id: {
+                                  description:
+                                    'Site ID for an Avigilon Alta system.',
+                                  format: 'float',
+                                  type: 'number',
+                                },
+                                site_name: {
+                                  description:
+                                    'Site name for an Avigilon Alta system.',
+                                  type: 'string',
+                                },
+                                zone_id: {
+                                  description:
+                                    'Zone ID for an Avigilon Alta system.',
+                                  format: 'float',
+                                  type: 'number',
+                                },
+                                zone_name: {
+                                  description:
+                                    'Zone name for an Avigilon Alta system.',
+                                  type: 'string',
+                                },
+                              },
+                              required: [
+                                'entry_name',
+                                'org_name',
+                                'zone_id',
+                                'zone_name',
+                                'site_id',
+                                'site_name',
+                                'entry_relays_total_count',
+                              ],
+                              type: 'object',
+                            },
                             brivo_metadata: {
                               description:
                                 'Brivo-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details).',
diff --git a/src/lib/seam/connect/route-types.ts b/src/lib/seam/connect/route-types.ts
index 5ec9c503..ddf70034 100644
--- a/src/lib/seam/connect/route-types.ts
+++ b/src/lib/seam/connect/route-types.ts
@@ -14779,6 +14779,25 @@ export type Routes = {
                     site_name: string
                   }
                 | undefined
+              /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+              avigilon_alta_metadata?:
+                | {
+                    /** Entry name for an Avigilon Alta system. */
+                    entry_name: string
+                    /** Organization name for an Avigilon Alta system. */
+                    org_name: string
+                    /** Zone ID for an Avigilon Alta system. */
+                    zone_id: number
+                    /** Zone name for an Avigilon Alta system. */
+                    zone_name: string
+                    /** Site ID for an Avigilon Alta system. */
+                    site_id: number
+                    /** Site name for an Avigilon Alta system. */
+                    site_name: string
+                    /** Total count of entry relays for an Avigilon Alta system. */
+                    entry_relays_total_count: number
+                  }
+                | undefined
               /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
               can_unlock_with_mobile_key?: boolean | undefined
               /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -14963,7 +14982,7 @@ export type Routes = {
               external_type?:
                 | (
                     | 'pti_site'
-                    | 'alta_org'
+                    | 'avigilon_alta_org'
                     | 'salto_ks_site'
                     | 'salto_space_system'
                     | 'brivo_account'
@@ -14998,7 +15017,7 @@ export type Routes = {
               system_type?:
                 | (
                     | 'pti_site'
-                    | 'alta_org'
+                    | 'avigilon_alta_org'
                     | 'salto_ks_site'
                     | 'salto_space_system'
                     | 'brivo_account'
@@ -20025,6 +20044,25 @@ export type Routes = {
                     site_name: string
                   }
                 | undefined
+              /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+              avigilon_alta_metadata?:
+                | {
+                    /** Entry name for an Avigilon Alta system. */
+                    entry_name: string
+                    /** Organization name for an Avigilon Alta system. */
+                    org_name: string
+                    /** Zone ID for an Avigilon Alta system. */
+                    zone_id: number
+                    /** Zone name for an Avigilon Alta system. */
+                    zone_name: string
+                    /** Site ID for an Avigilon Alta system. */
+                    site_id: number
+                    /** Site name for an Avigilon Alta system. */
+                    site_name: string
+                    /** Total count of entry relays for an Avigilon Alta system. */
+                    entry_relays_total_count: number
+                  }
+                | undefined
               /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
               can_unlock_with_mobile_key?: boolean | undefined
               /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -21593,6 +21631,25 @@ export type Routes = {
               site_name: string
             }
           | undefined
+        /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+        avigilon_alta_metadata?:
+          | {
+              /** Entry name for an Avigilon Alta system. */
+              entry_name: string
+              /** Organization name for an Avigilon Alta system. */
+              org_name: string
+              /** Zone ID for an Avigilon Alta system. */
+              zone_id: number
+              /** Zone name for an Avigilon Alta system. */
+              zone_name: string
+              /** Site ID for an Avigilon Alta system. */
+              site_id: number
+              /** Site name for an Avigilon Alta system. */
+              site_name: string
+              /** Total count of entry relays for an Avigilon Alta system. */
+              entry_relays_total_count: number
+            }
+          | undefined
         /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
         can_unlock_with_mobile_key?: boolean | undefined
         /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -23549,6 +23606,25 @@ export type Routes = {
               site_name: string
             }
           | undefined
+        /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+        avigilon_alta_metadata?:
+          | {
+              /** Entry name for an Avigilon Alta system. */
+              entry_name: string
+              /** Organization name for an Avigilon Alta system. */
+              org_name: string
+              /** Zone ID for an Avigilon Alta system. */
+              zone_id: number
+              /** Zone name for an Avigilon Alta system. */
+              zone_name: string
+              /** Site ID for an Avigilon Alta system. */
+              site_id: number
+              /** Site name for an Avigilon Alta system. */
+              site_name: string
+              /** Total count of entry relays for an Avigilon Alta system. */
+              entry_relays_total_count: number
+            }
+          | undefined
         /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
         can_unlock_with_mobile_key?: boolean | undefined
         /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -27760,6 +27836,25 @@ export type Routes = {
               site_name: string
             }
           | undefined
+        /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+        avigilon_alta_metadata?:
+          | {
+              /** Entry name for an Avigilon Alta system. */
+              entry_name: string
+              /** Organization name for an Avigilon Alta system. */
+              org_name: string
+              /** Zone ID for an Avigilon Alta system. */
+              zone_id: number
+              /** Zone name for an Avigilon Alta system. */
+              zone_name: string
+              /** Site ID for an Avigilon Alta system. */
+              site_id: number
+              /** Site name for an Avigilon Alta system. */
+              site_name: string
+              /** Total count of entry relays for an Avigilon Alta system. */
+              entry_relays_total_count: number
+            }
+          | undefined
         /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
         can_unlock_with_mobile_key?: boolean | undefined
         /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -27970,6 +28065,25 @@ export type Routes = {
               site_name: string
             }
           | undefined
+        /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+        avigilon_alta_metadata?:
+          | {
+              /** Entry name for an Avigilon Alta system. */
+              entry_name: string
+              /** Organization name for an Avigilon Alta system. */
+              org_name: string
+              /** Zone ID for an Avigilon Alta system. */
+              zone_id: number
+              /** Zone name for an Avigilon Alta system. */
+              zone_name: string
+              /** Site ID for an Avigilon Alta system. */
+              site_id: number
+              /** Site name for an Avigilon Alta system. */
+              site_name: string
+              /** Total count of entry relays for an Avigilon Alta system. */
+              entry_relays_total_count: number
+            }
+          | undefined
         /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
         can_unlock_with_mobile_key?: boolean | undefined
         /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -29745,7 +29859,7 @@ export type Routes = {
         external_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -29780,7 +29894,7 @@ export type Routes = {
         system_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -29930,7 +30044,7 @@ export type Routes = {
         external_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -29965,7 +30079,7 @@ export type Routes = {
         system_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -30111,7 +30225,7 @@ export type Routes = {
         external_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -30146,7 +30260,7 @@ export type Routes = {
         system_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -31423,6 +31537,25 @@ export type Routes = {
               site_name: string
             }
           | undefined
+        /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+        avigilon_alta_metadata?:
+          | {
+              /** Entry name for an Avigilon Alta system. */
+              entry_name: string
+              /** Organization name for an Avigilon Alta system. */
+              org_name: string
+              /** Zone ID for an Avigilon Alta system. */
+              zone_id: number
+              /** Zone name for an Avigilon Alta system. */
+              zone_name: string
+              /** Site ID for an Avigilon Alta system. */
+              site_id: number
+              /** Site name for an Avigilon Alta system. */
+              site_name: string
+              /** Total count of entry relays for an Avigilon Alta system. */
+              entry_relays_total_count: number
+            }
+          | undefined
         /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
         can_unlock_with_mobile_key?: boolean | undefined
         /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -81874,6 +82007,25 @@ export type Routes = {
                     site_name: string
                   }
                 | undefined
+              /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+              avigilon_alta_metadata?:
+                | {
+                    /** Entry name for an Avigilon Alta system. */
+                    entry_name: string
+                    /** Organization name for an Avigilon Alta system. */
+                    org_name: string
+                    /** Zone ID for an Avigilon Alta system. */
+                    zone_id: number
+                    /** Zone name for an Avigilon Alta system. */
+                    zone_name: string
+                    /** Site ID for an Avigilon Alta system. */
+                    site_id: number
+                    /** Site name for an Avigilon Alta system. */
+                    site_name: string
+                    /** Total count of entry relays for an Avigilon Alta system. */
+                    entry_relays_total_count: number
+                  }
+                | undefined
               /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
               can_unlock_with_mobile_key?: boolean | undefined
               /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -84088,6 +84240,25 @@ export type Routes = {
                     site_name: string
                   }
                 | undefined
+              /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+              avigilon_alta_metadata?:
+                | {
+                    /** Entry name for an Avigilon Alta system. */
+                    entry_name: string
+                    /** Organization name for an Avigilon Alta system. */
+                    org_name: string
+                    /** Zone ID for an Avigilon Alta system. */
+                    zone_id: number
+                    /** Zone name for an Avigilon Alta system. */
+                    zone_name: string
+                    /** Site ID for an Avigilon Alta system. */
+                    site_id: number
+                    /** Site name for an Avigilon Alta system. */
+                    site_name: string
+                    /** Total count of entry relays for an Avigilon Alta system. */
+                    entry_relays_total_count: number
+                  }
+                | undefined
               /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
               can_unlock_with_mobile_key?: boolean | undefined
               /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -84272,7 +84443,7 @@ export type Routes = {
               external_type?:
                 | (
                     | 'pti_site'
-                    | 'alta_org'
+                    | 'avigilon_alta_org'
                     | 'salto_ks_site'
                     | 'salto_space_system'
                     | 'brivo_account'
@@ -84307,7 +84478,7 @@ export type Routes = {
               system_type?:
                 | (
                     | 'pti_site'
-                    | 'alta_org'
+                    | 'avigilon_alta_org'
                     | 'salto_ks_site'
                     | 'salto_space_system'
                     | 'brivo_account'
@@ -108402,6 +108573,25 @@ export type Routes = {
               site_name: string
             }
           | undefined
+        /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+        avigilon_alta_metadata?:
+          | {
+              /** Entry name for an Avigilon Alta system. */
+              entry_name: string
+              /** Organization name for an Avigilon Alta system. */
+              org_name: string
+              /** Zone ID for an Avigilon Alta system. */
+              zone_id: number
+              /** Zone name for an Avigilon Alta system. */
+              zone_name: string
+              /** Site ID for an Avigilon Alta system. */
+              site_id: number
+              /** Site name for an Avigilon Alta system. */
+              site_name: string
+              /** Total count of entry relays for an Avigilon Alta system. */
+              entry_relays_total_count: number
+            }
+          | undefined
         /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
         can_unlock_with_mobile_key?: boolean | undefined
         /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -108438,7 +108628,7 @@ export type Routes = {
         external_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -108473,7 +108663,7 @@ export type Routes = {
         system_type?:
           | (
               | 'pti_site'
-              | 'alta_org'
+              | 'avigilon_alta_org'
               | 'salto_ks_site'
               | 'salto_space_system'
               | 'brivo_account'
@@ -111345,6 +111535,25 @@ export type Routes = {
                     site_name: string
                   }
                 | undefined
+              /** Avigilon Alta-specific metadata associated with the [entrance](https://docs.seam.co/latest/capability-guides/access-systems/retrieving-entrance-details). */
+              avigilon_alta_metadata?:
+                | {
+                    /** Entry name for an Avigilon Alta system. */
+                    entry_name: string
+                    /** Organization name for an Avigilon Alta system. */
+                    org_name: string
+                    /** Zone ID for an Avigilon Alta system. */
+                    zone_id: number
+                    /** Zone name for an Avigilon Alta system. */
+                    zone_name: string
+                    /** Site ID for an Avigilon Alta system. */
+                    site_id: number
+                    /** Site name for an Avigilon Alta system. */
+                    site_name: string
+                    /** Total count of entry relays for an Avigilon Alta system. */
+                    entry_relays_total_count: number
+                  }
+                | undefined
               /** Indicates whether the ACS entrance can be unlocked with mobile key credentials. */
               can_unlock_with_mobile_key?: boolean | undefined
               /** Indicates whether the ACS entrance can be unlocked with card credentials. */
@@ -111371,7 +111580,7 @@ export type Routes = {
               external_type?:
                 | (
                     | 'pti_site'
-                    | 'alta_org'
+                    | 'avigilon_alta_org'
                     | 'salto_ks_site'
                     | 'salto_space_system'
                     | 'brivo_account'
@@ -111406,7 +111615,7 @@ export type Routes = {
               system_type?:
                 | (
                     | 'pti_site'
-                    | 'alta_org'
+                    | 'avigilon_alta_org'
                     | 'salto_ks_site'
                     | 'salto_space_system'
                     | 'brivo_account'