diff --git a/src/lib/seam/connect/models/action-attempts/scan-credential.ts b/src/lib/seam/connect/models/action-attempts/scan-credential.ts
index 93cda670..ac205541 100644
--- a/src/lib/seam/connect/models/action-attempts/scan-credential.ts
+++ b/src/lib/seam/connect/models/action-attempts/scan-credential.ts
@@ -32,9 +32,9 @@ const warning = z.object({
 const acs_credential_on_seam = acs_credential.or(unmanaged_acs_credential)
 
 const result = z.object({
-  acs_credential_on_encoder: acs_credential_on_encoder.describe(
-    'Snapshot of credential data read from physical encoder.',
-  ),
+  acs_credential_on_encoder: acs_credential_on_encoder
+    .nullable()
+    .describe('Snapshot of credential data read from physical encoder.'),
   acs_credential_on_seam: acs_credential_on_seam
     .nullable()
     .describe('Matching acs_credential currently encoded on this card.'),
diff --git a/src/lib/seam/connect/openapi.ts b/src/lib/seam/connect/openapi.ts
index 51f939bd..b140e999 100644
--- a/src/lib/seam/connect/openapi.ts
+++ b/src/lib/seam/connect/openapi.ts
@@ -1542,6 +1542,7 @@ export default {
                   acs_credential_on_encoder: {
                     description:
                       'Snapshot of credential data read from physical encoder.',
+                    nullable: true,
                     properties: {
                       card_number: {
                         description:
diff --git a/src/lib/seam/connect/route-types.ts b/src/lib/seam/connect/route-types.ts
index 6a5c53a5..9ef70e5a 100644
--- a/src/lib/seam/connect/route-types.ts
+++ b/src/lib/seam/connect/route-types.ts
@@ -123,7 +123,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -1303,7 +1303,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -2713,7 +2713,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -3880,7 +3880,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -6618,7 +6618,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -7687,7 +7687,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -10300,7 +10300,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -11321,7 +11321,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -18338,7 +18338,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -19360,7 +19360,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -22011,7 +22011,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -23043,7 +23043,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -24114,7 +24114,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -25344,7 +25344,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -26372,7 +26372,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -28161,7 +28161,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -29193,7 +29193,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -31807,7 +31807,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -33004,7 +33004,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -34059,7 +34059,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (
@@ -37248,7 +37248,7 @@ export interface Routes {
                       common_acs_entrance_ids?: string[] | undefined
                     }
                   | undefined
-              }
+              } | null
               /** Matching acs_credential currently encoded on this card. */
               acs_credential_on_seam:
                 | (