diff --git a/api-reference/openapi.json b/api-reference/openapi.json
index cbf8815..1a6a529 100644
--- a/api-reference/openapi.json
+++ b/api-reference/openapi.json
@@ -749,6 +749,9 @@
                   "text": {
                     "description": "Text to be translated. Only UTF-8-encoded plain text is supported. The parameter may be specified\nmany times in a single request, within the request size limit (128KiB). Translations are returned\nin the same order as they are requested. Each text in the array is translated independently — texts\ndo not share context with each other.",
                     "type": "array",
+                    "x-default": [
+                      "Hello, World!"
+                    ],
                     "items": {
                       "type": "string",
                       "example": "Hello, World!"
@@ -758,7 +761,8 @@
                     "$ref": "#/components/schemas/SourceLanguage"
                   },
                   "target_lang": {
-                    "$ref": "#/components/schemas/TargetLanguage"
+                    "$ref": "#/components/schemas/TargetLanguage",
+                    "x-default": "DE"
                   },
                   "context": {
                     "$ref": "#/components/schemas/Context"
@@ -2651,6 +2655,9 @@
                   "text": {
                     "description": "Text to be improved. Only UTF-8-encoded plain text is supported. Improvements are returned in the same order as they are requested.",
                     "type": "array",
+                    "x-default": [
+                      "this is a example sentence to imprve"
+                    ],
                     "items": {
                       "type": "string",
                       "example": "this is a example sentence to imprve"
@@ -2678,6 +2685,9 @@
                   "text": {
                     "description": "Text to be improved. Only UTF-8-encoded plain text is supported. Improvements are returned in the same order as they are requested.",
                     "type": "array",
+                    "x-default": [
+                      "this is a example sentence to imprve"
+                    ],
                     "items": {
                       "type": "string",
                       "example": "this is a example sentence to imprve"
@@ -2792,6 +2802,9 @@
                   "text": {
                     "description": "Text to be corrected. Only UTF-8-encoded plain text is supported. Corrections are returned in the same order as they are requested.",
                     "type": "array",
+                    "x-default": [
+                      "this is a example sentence to imprve"
+                    ],
                     "items": {
                       "type": "string",
                       "example": "this is a example sentence to imprve"
@@ -2813,6 +2826,9 @@
                   "text": {
                     "description": "Text to be corrected. Only UTF-8-encoded plain text is supported. Corrections are returned in the same order as they are requested.",
                     "type": "array",
+                    "x-default": [
+                      "this is a example sentence to imprve"
+                    ],
                     "items": {
                       "type": "string",
                       "example": "this is a example sentence to imprve"
@@ -3421,6 +3437,7 @@
               ]
             },
             "example": "translate_text",
+            "x-default": "translate_text",
             "description": "The resource to retrieve languages for. Supported values: `translate_text`, `translate_document`,\n`glossary`, `voice`, `write`, `style_rules`."
           },
           {
@@ -3820,10 +3837,12 @@
                 ],
                 "properties": {
                   "name": {
-                    "$ref": "#/components/schemas/StyleRuleName"
+                    "$ref": "#/components/schemas/StyleRuleName",
+                    "x-default": "My style rules"
                   },
                   "language": {
-                    "$ref": "#/components/schemas/StyleRuleLanguage"
+                    "$ref": "#/components/schemas/StyleRuleLanguage",
+                    "x-default": "de"
                   },
                   "configured_rules": {
                     "$ref": "#/components/schemas/ConfiguredRules"
@@ -4213,12 +4232,14 @@
                   "label": {
                     "type": "string",
                     "description": "Label for the custom instruction",
-                    "maxLength": 100
+                    "maxLength": 100,
+                    "x-default": "Currency custom instruction"
                   },
                   "prompt": {
                     "type": "string",
                     "description": "Instruction text",
-                    "maxLength": 300
+                    "maxLength": 300,
+                    "x-default": "Have currency symbols before the numerical value (e.g. $100, €100)"
                   },
                   "source_language": {
                     "type": "string",
diff --git a/api-reference/openapi.yaml b/api-reference/openapi.yaml
index 1c2c61a..7ebe086 100644
--- a/api-reference/openapi.yaml
+++ b/api-reference/openapi.yaml
@@ -551,6 +551,8 @@ paths:
                     in the same order as they are requested. Each text in the array is translated independently — texts
                     do not share context with each other.
                   type: array
+                  x-default:
+                    - Hello, World!
                   items:
                     type: string
                     example: Hello, World!
@@ -558,6 +560,7 @@ paths:
                   $ref: '#/components/schemas/SourceLanguage'
                 target_lang:
                   $ref: '#/components/schemas/TargetLanguage'
+                  x-default: DE
                 context:
                   $ref: '#/components/schemas/Context'
                 show_billed_characters:
@@ -1871,6 +1874,8 @@ paths:
                   description: Text to be improved. Only UTF-8-encoded plain text is supported. Improvements are
                     returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -1890,6 +1895,8 @@ paths:
                   description: Text to be improved. Only UTF-8-encoded plain text is supported. Improvements are
                     returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -1968,6 +1975,8 @@ paths:
                   description: Text to be corrected. Only UTF-8-encoded plain text is supported. Corrections are
                     returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -1983,6 +1992,8 @@ paths:
                   description: Text to be corrected. Only UTF-8-encoded plain text is supported. Corrections are
                     returned in the same order as they are requested.
                   type: array
+                  x-default:
+                    - this is a example sentence to imprve
                   items:
                     type: string
                     example: this is a example sentence to imprve
@@ -2377,6 +2388,7 @@ paths:
               - write
               - style_rules
           example: translate_text
+          x-default: translate_text
           description: |-
             The resource to retrieve languages for. Supported values: `translate_text`, `translate_document`,
             `glossary`, `voice`, `write`, `style_rules`.
@@ -2659,8 +2671,10 @@ paths:
               properties:
                 name:
                   $ref: '#/components/schemas/StyleRuleName'
+                  x-default: My style rules
                 language:
                   $ref: '#/components/schemas/StyleRuleLanguage'
+                  x-default: de
                 configured_rules:
                   $ref: '#/components/schemas/ConfiguredRules'
                 custom_instructions:
@@ -2907,10 +2921,12 @@ paths:
                   type: string
                   description: Label for the custom instruction
                   maxLength: 100
+                  x-default: Currency custom instruction
                 prompt:
                   type: string
                   description: Instruction text
                   maxLength: 300
+                  x-default: "Have currency symbols before the numerical value (e.g. $100, €100)"
                 source_language:
                   type: string
                   description: Optional source language code
diff --git a/docs.json b/docs.json
index c6dc8cd..634890d 100644
--- a/docs.json
+++ b/docs.json
@@ -545,6 +545,7 @@
   "contextual": {
     "options": [
       "copy",
+      "download-spec",
       "chatgpt",
       "claude",
       "cursor",