feat(openapi.json): added Vapi as a voice provider and fallback voice

Author: fern-api[bot]

fern/apis/api/openapi.json

@@ -8625,6 +8625,10 @@
                   "$ref": "#/components/schemas/FallbackElevenLabsVoice",
                   "title": "ElevenLabs"
                 },
+                {
+                  "$ref": "#/components/schemas/FallbackVapiVoice",
+                  "title": "Vapi"
+                },
                 {
                   "$ref": "#/components/schemas/FallbackLMNTVoice",
                   "title": "LMNT"
@@ -24705,6 +24709,7 @@
             "type": "object",
             "description": "This is the voice provider that will be used.",
             "enum": [
+              "vapi",
               "11labs",
               "azure",
               "cartesia",
@@ -25398,6 +25403,7 @@
             "type": "array",
             "description": "List of providers you want to sync.",
             "enum": [
+              "vapi",
               "11labs",
               "azure",
               "cartesia",
@@ -25416,6 +25422,7 @@
             "items": {
               "type": "string",
               "enum": [
+                "vapi",
                 "11labs",
                 "azure",
                 "cartesia",
@@ -25843,7 +25850,8 @@
             "enum": [
               "queued",
               "in-progress",
-              "completed"
+              "completed",
+              "failed"
             ]
           },
           "id": {