diff --git a/fern/apis/api/openapi.json b/fern/apis/api/openapi.json
index 91da0e7e..557254d6 100644
--- a/fern/apis/api/openapi.json
+++ b/fern/apis/api/openapi.json
@@ -21790,6 +21790,22 @@
               "pt"
             ]
           },
+          "temperature": {
+            "type": "number",
+            "description": "A floating point number between 0, exclusive, and 2, inclusive. If equal to null or not provided, the model's default temperature of 1.1 will be used. The temperature parameter controls variance.\nHigher values will make the output more random and can lead to more expressive results. Lower values will make it more deterministic.\nSee https://docs.inworld.ai/docs/tts/capabilities/generating-audio#additional-configurations for more details.",
+            "minimum": 0.1,
+            "maximum": 2,
+            "default": 1.1,
+            "example": null
+          },
+          "speakingRate": {
+            "type": "number",
+            "description": "A floating point number between 0.5, inclusive, and 1.5, inclusive. If equal to null or not provided, the model's default speaking speed of 1.0 will be used.\nValues above 0.8 are recommended for higher quality.\nSee https://docs.inworld.ai/docs/tts/capabilities/generating-audio#additional-configurations for more details.",
+            "minimum": 0.5,
+            "maximum": 1.5,
+            "default": 1,
+            "example": null
+          },
           "chunkPlan": {
             "description": "This is the plan for chunking the model output before it is sent to the voice provider.",
             "allOf": [
@@ -23984,6 +24000,22 @@
               "pt"
             ]
           },
+          "temperature": {
+            "type": "number",
+            "description": "A floating point number between 0, exclusive, and 2, inclusive. If equal to null or not provided, the model's default temperature of 1.1 will be used. The temperature parameter controls variance.\nHigher values will make the output more random and can lead to more expressive results. Lower values will make it more deterministic.\nSee https://docs.inworld.ai/docs/tts/capabilities/generating-audio#additional-configurations for more details.",
+            "minimum": 0.1,
+            "maximum": 2,
+            "default": 1.1,
+            "example": null
+          },
+          "speakingRate": {
+            "type": "number",
+            "description": "A floating point number between 0.5, inclusive, and 1.5, inclusive. If equal to null or not provided, the model's default speaking speed of 1.0 will be used.\nValues above 0.8 are recommended for higher quality.\nSee https://docs.inworld.ai/docs/tts/capabilities/generating-audio#additional-configurations for more details.",
+            "minimum": 0.5,
+            "maximum": 1.5,
+            "default": 1,
+            "example": null
+          },
           "chunkPlan": {
             "description": "This is the plan for chunking the model output before it is sent to the voice provider.",
             "allOf": [