diff --git a/fern/apis/api/openapi.json b/fern/apis/api/openapi.json
index bdb8c9b5..3d523741 100644
--- a/fern/apis/api/openapi.json
+++ b/fern/apis/api/openapi.json
@@ -5470,6 +5470,26 @@
           }
         }
       },
+      "NodeArtifact": {
+        "type": "object",
+        "properties": {
+          "nodeName": {
+            "type": "string",
+            "description": "This is the node id."
+          },
+          "messages": {
+            "description": "This is the messages that were spoken during the node.",
+            "type": "array",
+            "items": {
+              "type": "object"
+            }
+          },
+          "variables": {
+            "type": "object",
+            "description": "This is the object containing the variables extracted from the node."
+          }
+        }
+      },
       "Artifact": {
         "type": "object",
         "properties": {
@@ -5543,6 +5563,17 @@
           "pcapUrl": {
             "type": "string",
             "description": "This is the packet capture url for the call. This is only available for `phone` type calls where phone number's provider is `vapi` or `byo-phone-number`."
+          },
+          "nodes": {
+            "description": "This is the history of workflow nodes that were executed during the call.",
+            "type": "array",
+            "items": {
+              "$ref": "#/components/schemas/NodeArtifact"
+            }
+          },
+          "variables": {
+            "type": "object",
+            "description": "This is the state of variables at the end of the workflow execution."
           }
         }
       },
@@ -13026,7 +13057,6 @@
             }
           },
           "model": {
-            "description": "These are the options for the workflow's LLM.",
             "oneOf": [
               {
                 "$ref": "#/components/schemas/WorkflowOpenAIModel",
@@ -13047,6 +13077,10 @@
             "items": {
               "$ref": "#/components/schemas/Edge"
             }
+          },
+          "globalPrompt": {
+            "type": "string",
+            "maxLength": 5000
           }
         },
         "required": [
@@ -20595,7 +20629,6 @@
             }
           },
           "model": {
-            "description": "These are the options for the workflow's LLM.",
             "oneOf": [
               {
                 "$ref": "#/components/schemas/WorkflowOpenAIModel",
@@ -20616,6 +20649,10 @@
             "items": {
               "$ref": "#/components/schemas/Edge"
             }
+          },
+          "globalPrompt": {
+            "type": "string",
+            "maxLength": 5000
           }
         },
         "required": [
@@ -21056,6 +21093,7 @@
               "call.in-progress.error-vapifault-transport-never-connected",
               "call.in-progress.error-vapifault-transport-connected-but-call-not-active",
               "call.in-progress.error-vapifault-call-started-but-connection-to-transport-missing",
+              "call.in-progress.error-vapifault-worker-died",
               "call.in-progress.error-vapifault-openai-llm-failed",
               "call.in-progress.error-vapifault-azure-openai-llm-failed",
               "call.in-progress.error-vapifault-groq-llm-failed",
@@ -21443,7 +21481,12 @@
               "phone-call-provider-closed-websocket",
               "call.forwarding.operator-busy",
               "silence-timed-out",
-              "call.in-progress.error-sip-telephony-provider-failed-to-connect-call",
+              "call.in-progress.error-sip-inbound-call-failed-to-connect",
+              "call.in-progress.error-providerfault-outbound-sip-403-forbidden",
+              "call.in-progress.error-providerfault-outbound-sip-407-proxy-authentication-required",
+              "call.in-progress.error-providerfault-outbound-sip-503-service-unavailable",
+              "call.in-progress.error-providerfault-outbound-sip-480-temporarily-unavailable",
+              "call.in-progress.error-sip-outbound-call-failed-to-connect",
               "call.ringing.hook-executed-say",
               "call.ringing.hook-executed-transfer",
               "twilio-failed-to-connect-call",
@@ -22923,12 +22966,19 @@
             "maxLength": 40
           },
           "status": {
+            "type": "string",
             "description": "This is the current status of the session. Can be either 'active' or 'completed'.",
             "enum": [
               "active",
               "completed"
-            ],
-            "type": "string"
+            ]
+          },
+          "expirationSeconds": {
+            "type": "number",
+            "description": "Session expiration time in seconds. Defaults to 24 hours (86400 seconds) if not set.",
+            "minimum": 60,
+            "maximum": 2592000,
+            "example": 86400
           },
           "assistantId": {
             "type": "string",
@@ -23007,12 +23057,19 @@
             "maxLength": 40
           },
           "status": {
+            "type": "string",
             "description": "This is the current status of the session. Can be either 'active' or 'completed'.",
             "enum": [
               "active",
               "completed"
-            ],
-            "type": "string"
+            ]
+          },
+          "expirationSeconds": {
+            "type": "number",
+            "description": "Session expiration time in seconds. Defaults to 24 hours (86400 seconds) if not set.",
+            "minimum": 60,
+            "maximum": 2592000,
+            "example": 86400
           },
           "assistantId": {
             "type": "string",
@@ -23085,12 +23142,19 @@
             "maxLength": 40
           },
           "status": {
+            "type": "string",
             "description": "This is the new status for the session.",
             "enum": [
               "active",
               "completed"
-            ],
-            "type": "string"
+            ]
+          },
+          "expirationSeconds": {
+            "type": "number",
+            "description": "Session expiration time in seconds. Defaults to 24 hours (86400 seconds) if not set.",
+            "minimum": 60,
+            "maximum": 2592000,
+            "example": 86400
           },
           "messages": {
             "type": "array",
@@ -29577,7 +29641,6 @@
             }
           },
           "model": {
-            "description": "These are the options for the workflow's LLM.",
             "oneOf": [
               {
                 "$ref": "#/components/schemas/WorkflowOpenAIModel",
@@ -29612,6 +29675,10 @@
             "items": {
               "$ref": "#/components/schemas/Edge"
             }
+          },
+          "globalPrompt": {
+            "type": "string",
+            "maxLength": 5000
           }
         },
         "required": [
@@ -29643,7 +29710,6 @@
             }
           },
           "model": {
-            "description": "These are the options for the workflow's LLM.",
             "oneOf": [
               {
                 "$ref": "#/components/schemas/WorkflowOpenAIModel",
@@ -29664,6 +29730,10 @@
             "items": {
               "$ref": "#/components/schemas/Edge"
             }
+          },
+          "globalPrompt": {
+            "type": "string",
+            "maxLength": 5000
           }
         }
       },
@@ -38088,6 +38158,7 @@
               "call.in-progress.error-vapifault-transport-never-connected",
               "call.in-progress.error-vapifault-transport-connected-but-call-not-active",
               "call.in-progress.error-vapifault-call-started-but-connection-to-transport-missing",
+              "call.in-progress.error-vapifault-worker-died",
               "call.in-progress.error-vapifault-openai-llm-failed",
               "call.in-progress.error-vapifault-azure-openai-llm-failed",
               "call.in-progress.error-vapifault-groq-llm-failed",
@@ -38475,7 +38546,12 @@
               "phone-call-provider-closed-websocket",
               "call.forwarding.operator-busy",
               "silence-timed-out",
-              "call.in-progress.error-sip-telephony-provider-failed-to-connect-call",
+              "call.in-progress.error-sip-inbound-call-failed-to-connect",
+              "call.in-progress.error-providerfault-outbound-sip-403-forbidden",
+              "call.in-progress.error-providerfault-outbound-sip-407-proxy-authentication-required",
+              "call.in-progress.error-providerfault-outbound-sip-503-service-unavailable",
+              "call.in-progress.error-providerfault-outbound-sip-480-temporarily-unavailable",
+              "call.in-progress.error-sip-outbound-call-failed-to-connect",
               "call.ringing.hook-executed-say",
               "call.ringing.hook-executed-transfer",
               "twilio-failed-to-connect-call",
@@ -39199,6 +39275,7 @@
               "call.in-progress.error-vapifault-transport-never-connected",
               "call.in-progress.error-vapifault-transport-connected-but-call-not-active",
               "call.in-progress.error-vapifault-call-started-but-connection-to-transport-missing",
+              "call.in-progress.error-vapifault-worker-died",
               "call.in-progress.error-vapifault-openai-llm-failed",
               "call.in-progress.error-vapifault-azure-openai-llm-failed",
               "call.in-progress.error-vapifault-groq-llm-failed",
@@ -39586,7 +39663,12 @@
               "phone-call-provider-closed-websocket",
               "call.forwarding.operator-busy",
               "silence-timed-out",
-              "call.in-progress.error-sip-telephony-provider-failed-to-connect-call",
+              "call.in-progress.error-sip-inbound-call-failed-to-connect",
+              "call.in-progress.error-providerfault-outbound-sip-403-forbidden",
+              "call.in-progress.error-providerfault-outbound-sip-407-proxy-authentication-required",
+              "call.in-progress.error-providerfault-outbound-sip-503-service-unavailable",
+              "call.in-progress.error-providerfault-outbound-sip-480-temporarily-unavailable",
+              "call.in-progress.error-sip-outbound-call-failed-to-connect",
               "call.ringing.hook-executed-say",
               "call.ringing.hook-executed-transfer",
               "twilio-failed-to-connect-call",