diff --git a/package-lock.json b/package-lock.json
index e0a3dbf1..1c1e8ec1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "devDependencies": {
         "@seamapi/fake-seam-connect": "1.73.6",
         "@seamapi/nextlove-sdk-generator": "1.14.17",
-        "@seamapi/types": "1.313.0",
+        "@seamapi/types": "1.315.0",
         "del": "^7.1.0",
         "prettier": "^3.2.5"
       }
@@ -474,9 +474,9 @@
       }
     },
     "node_modules/@seamapi/types": {
-      "version": "1.313.0",
-      "resolved": "https://registry.npmjs.org/@seamapi/types/-/types-1.313.0.tgz",
-      "integrity": "sha512-uk/fRmMvtAgTjZwRLmjvfxIkS6+BR1V5b9M6oA5+5Q3y9iTK2e/57fRat5qsyb+R00rmlb8Lh/rqs7W0nHu2IA==",
+      "version": "1.315.0",
+      "resolved": "https://registry.npmjs.org/@seamapi/types/-/types-1.315.0.tgz",
+      "integrity": "sha512-/j+5WmOWD2QdHLvaXIZihfQdc+RilxPUCVhY1xwoqTmQ0jvies0TDNhDmVEqGmsxp6e7YA7vqdmRVwDkE/aZbQ==",
       "dev": true,
       "engines": {
         "node": ">=18.12.0",
diff --git a/package.json b/package.json
index fbe073df..6a3d11a0 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@seamapi/fake-seam-connect": "1.73.6",
     "@seamapi/nextlove-sdk-generator": "1.14.17",
-    "@seamapi/types": "1.313.0",
+    "@seamapi/types": "1.315.0",
     "del": "^7.1.0",
     "prettier": "^3.2.5"
   }
diff --git a/seam/routes/acs_encoders_simulate.py b/seam/routes/acs_encoders_simulate.py
new file mode 100644
index 00000000..d63857c6
--- /dev/null
+++ b/seam/routes/acs_encoders_simulate.py
@@ -0,0 +1,93 @@
+from typing import Optional, Any, List, Dict, Union
+from ..client import SeamHttpClient
+from .models import AbstractAcsEncodersSimulate
+
+
+class AcsEncodersSimulate(AbstractAcsEncodersSimulate):
+    def __init__(self, client: SeamHttpClient, defaults: Dict[str, Any]):
+        self.client = client
+        self.defaults = defaults
+
+    def next_credential_encode_will_fail(
+        self,
+        *,
+        acs_encoder_id: str,
+        error_code: Optional[str] = None,
+        acs_credential_id: Optional[str] = None
+    ) -> None:
+        json_payload = {}
+
+        if acs_encoder_id is not None:
+            json_payload["acs_encoder_id"] = acs_encoder_id
+        if error_code is not None:
+            json_payload["error_code"] = error_code
+        if acs_credential_id is not None:
+            json_payload["acs_credential_id"] = acs_credential_id
+
+        self.client.post(
+            "/acs/encoders/simulate/next_credential_encode_will_fail", json=json_payload
+        )
+
+        return None
+
+    def next_credential_encode_will_succeed(
+        self, *, acs_encoder_id: str, scenario: Optional[str] = None
+    ) -> None:
+        json_payload = {}
+
+        if acs_encoder_id is not None:
+            json_payload["acs_encoder_id"] = acs_encoder_id
+        if scenario is not None:
+            json_payload["scenario"] = scenario
+
+        self.client.post(
+            "/acs/encoders/simulate/next_credential_encode_will_succeed",
+            json=json_payload,
+        )
+
+        return None
+
+    def next_credential_scan_will_fail(
+        self,
+        *,
+        acs_encoder_id: str,
+        error_code: Optional[str] = None,
+        acs_credential_id_on_seam: Optional[str] = None
+    ) -> None:
+        json_payload = {}
+
+        if acs_encoder_id is not None:
+            json_payload["acs_encoder_id"] = acs_encoder_id
+        if error_code is not None:
+            json_payload["error_code"] = error_code
+        if acs_credential_id_on_seam is not None:
+            json_payload["acs_credential_id_on_seam"] = acs_credential_id_on_seam
+
+        self.client.post(
+            "/acs/encoders/simulate/next_credential_scan_will_fail", json=json_payload
+        )
+
+        return None
+
+    def next_credential_scan_will_succeed(
+        self,
+        *,
+        acs_encoder_id: str,
+        acs_credential_id_on_seam: Optional[str] = None,
+        scenario: Optional[str] = None
+    ) -> None:
+        json_payload = {}
+
+        if acs_encoder_id is not None:
+            json_payload["acs_encoder_id"] = acs_encoder_id
+        if acs_credential_id_on_seam is not None:
+            json_payload["acs_credential_id_on_seam"] = acs_credential_id_on_seam
+        if scenario is not None:
+            json_payload["scenario"] = scenario
+
+        self.client.post(
+            "/acs/encoders/simulate/next_credential_scan_will_succeed",
+            json=json_payload,
+        )
+
+        return None
diff --git a/seam/routes/models.py b/seam/routes/models.py
index 96ee8d2f..fe7fbea1 100644
--- a/seam/routes/models.py
+++ b/seam/routes/models.py
@@ -1252,6 +1252,45 @@ def scan_credential(
         raise NotImplementedError()
 
 
+class AbstractAcsEncodersSimulate(abc.ABC):
+
+    @abc.abstractmethod
+    def next_credential_encode_will_fail(
+        self,
+        *,
+        acs_encoder_id: str,
+        error_code: Optional[str] = None,
+        acs_credential_id: Optional[str] = None
+    ) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def next_credential_encode_will_succeed(
+        self, *, acs_encoder_id: str, scenario: Optional[str] = None
+    ) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def next_credential_scan_will_fail(
+        self,
+        *,
+        acs_encoder_id: str,
+        error_code: Optional[str] = None,
+        acs_credential_id_on_seam: Optional[str] = None
+    ) -> None:
+        raise NotImplementedError()
+
+    @abc.abstractmethod
+    def next_credential_scan_will_succeed(
+        self,
+        *,
+        acs_encoder_id: str,
+        acs_credential_id_on_seam: Optional[str] = None,
+        scenario: Optional[str] = None
+    ) -> None:
+        raise NotImplementedError()
+
+
 class AbstractAcsEntrances(abc.ABC):
 
     @abc.abstractmethod