feat: add Requesty as an OpenAI-compatible provider

api/README.md

@@ -30,6 +30,8 @@ OPENAI_API_KEY=your_openai_api_key        # Required for embeddings and OpenAI m
 
 # Optional API Keys
 OPENROUTER_API_KEY=your_openrouter_api_key  # Required only if using OpenRouter models
+REQUESTY_API_KEY=your_requesty_api_key      # Required only if using Requesty models
+REQUESTY_BASE_URL=https://router.requesty.ai/v1  # Optional, use https://router.eu.requesty.ai/v1 for the EU region
 
 # AWS Bedrock Configuration
 AWS_ACCESS_KEY_ID=your_aws_access_key_id      # Required for AWS Bedrock models
@@ -53,6 +55,7 @@ If you're not using Ollama mode, you need to configure an OpenAI API key for emb
 > - Get a Google API key from [Google AI Studio](https://makersuite.google.com/app/apikey)
 > - Get an OpenAI API key from [OpenAI Platform](https://platform.openai.com/api-keys)
 > - Get an OpenRouter API key from [OpenRouter](https://openrouter.ai/keys)
+> - Get a Requesty API key from [Requesty](https://app.requesty.ai/api-keys)
 > - Get AWS credentials from [AWS IAM Console](https://console.aws.amazon.com/iam/)
 
 #### Advanced Environment Configuration
@@ -63,6 +66,7 @@ DeepWiki supports multiple LLM providers. The environment variables above are re
 - **Google Gemini**: Requires `GOOGLE_API_KEY`
 - **OpenAI**: Requires `OPENAI_API_KEY`
 - **OpenRouter**: Requires `OPENROUTER_API_KEY`
+- **Requesty**: Requires `REQUESTY_API_KEY`
 - **AWS Bedrock**: Requires `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY`
 - **Ollama**: No API key required (runs locally)
 
@@ -83,7 +87,7 @@ DeepWiki now uses JSON configuration files to manage various system components i
 
 1. **`generator.json`**: Configuration for text generation models
    - Located in `api/config/` by default
-   - Defines available model providers (Google, OpenAI, OpenRouter, AWS Bedrock, Ollama)
+   - Defines available model providers (Google, OpenAI, OpenRouter, Requesty, AWS Bedrock, Ollama)
    - Specifies default and available models for each provider
    - Contains model-specific parameters like temperature and top_p
 

api/chat/_stream.py

@@ -11,6 +11,7 @@
     LITELLM_API_KEY,
     OPENAI_API_KEY,
     OPENROUTER_API_KEY,
+    REQUESTY_API_KEY,
 )
 from api.logger import get_logger
 
@@ -228,6 +229,27 @@ def _build_client(self):
         return LiteLLMClient()
 
 
+class RequestyChatStreamer(_OpenAICompatStreamer):
+    provider = "requesty"
+    error_hint = (
+        "Please check that you have set the REQUESTY_API_KEY "
+        "environment variable with a valid API key."
+    )
+
+    def __init__(self, *, model: str, model_config: MODEL_CFG):
+        if not REQUESTY_API_KEY:
+            logger.warning(
+                "REQUESTY_API_KEY not configured, but continuing with request"
+            )
+
+        super().__init__(model=model, model_config=model_config)
+
+    def _build_client(self):
+        from api.clients import RequestyClient
+
+        return RequestyClient()
+
+
 class BedrockChatStreamer(ChatStreamer):
     provider = "bedrock"
     error_hint = (

api/clients/__init__.py

@@ -15,6 +15,7 @@
 from .litellm import LiteLLMClient
 from .ollama import OllamaClient
 from .openrouter import OpenRouterClient
+from .requesty import RequestyClient
 
 __all__ = [
     "AnthropicBedrockClient",
@@ -27,4 +28,5 @@
     "OllamaClient",
     "OpenAIClient",
     "OpenRouterClient",
+    "RequestyClient",
 ]

api/clients/requesty.py

@@ -0,0 +1,101 @@
+"""Requesty ModelClient integration."""
+
+import os
+from typing import Any, Dict, Literal, Optional
+
+from adalflow.components.model_client.openai_client import OpenAIClient
+from adalflow.core.types import ModelType
+from openai import AsyncOpenAI, OpenAI
+
+REQUESTY_DEFAULT_HEADERS = {
+    "HTTP-Referer": "https://github.com/AsyncFuncAI/deepwiki-open",
+    "X-Title": "DeepWiki",
+}
+
+
+class RequestyClient(OpenAIClient):
+    """
+    Requesty OpenAI-compatible client.
+
+    Requesty is an LLM gateway that gives access to hundreds of models from
+    many providers through a single OpenAI-compatible endpoint, so we can
+    reuse almost all OpenAIClient behavior while overriding only the client
+    initialization.
+
+    Visit https://docs.requesty.ai for more details.
+
+    Expected environment variables:
+
+    REQUESTY_API_KEY=your_requesty_api_key
+    REQUESTY_BASE_URL=https://router.requesty.ai/v1  (optional, use https://router.eu.requesty.ai/v1 for EU)
+
+    Example model names:
+        openai/gpt-4o-mini
+        anthropic/claude-sonnet-4-5
+        google/gemini-2.5-flash
+    """
+
+    def __init__(
+        self,
+        api_key: Optional[str] = None,
+        input_type: Literal["text", "messages"] = "text",
+        base_url: Optional[str] = None,
+        env_api_key_name: str = "REQUESTY_API_KEY",
+    ):
+        resolved_base_url = base_url or os.getenv(
+            "REQUESTY_BASE_URL", "https://router.requesty.ai/v1"
+        )
+        super().__init__(
+            api_key=api_key,
+            input_type=input_type,
+            base_url=resolved_base_url,
+            env_api_key_name=env_api_key_name,
+        )
+
+    def _resolve_api_key(self) -> str:
+        api_key = self._api_key or os.getenv(self._env_api_key_name)
+        if not api_key:
+            raise ValueError(
+                f"Environment variable {self._env_api_key_name} must be set"
+            )
+        return api_key
+
+    def init_sync_client(self):
+        """Initialize synchronous Requesty client."""
+        return OpenAI(
+            api_key=self._resolve_api_key(),
+            base_url=self.base_url,
+            default_headers=REQUESTY_DEFAULT_HEADERS,
+        )
+
+    def init_async_client(self):
+        """Initialize asynchronous Requesty client."""
+        return AsyncOpenAI(
+            api_key=self._resolve_api_key(),
+            base_url=self.base_url,
+            default_headers=REQUESTY_DEFAULT_HEADERS,
+        )
+
+    def convert_inputs_to_api_kwargs(
+        self,
+        input: Optional[Any] = None,
+        model_kwargs: Optional[Dict] = None,
+        model_type: ModelType = ModelType.UNDEFINED,
+    ) -> Dict:
+        """Send a plain text prompt as a user message, like the OpenRouter client.
+
+        OpenAIClient sends a plain text prompt as a single system message, which
+        Anthropic and Gemini models reject.
+        """
+        api_kwargs = super().convert_inputs_to_api_kwargs(
+            input=input, model_kwargs=model_kwargs or {}, model_type=model_type
+        )
+        messages = api_kwargs.get("messages")
+        if (
+            model_type == ModelType.LLM
+            and messages
+            and len(messages) == 1
+            and messages[0].get("role") == "system"
+        ):
+            messages[0] = {"role": "user", "content": messages[0]["content"]}
+        return api_kwargs

api/config.py

@@ -15,6 +15,7 @@
     OllamaClient,
     OpenAIClient,
     OpenRouterClient,
+    RequestyClient,
 )
 from api.logger import get_logger
 
@@ -30,6 +31,7 @@
 LITELLM_API_KEY = os.environ.get("LITELLM_API_KEY")
 GOOGLE_API_KEY = os.environ.get("GOOGLE_API_KEY")
 OPENROUTER_API_KEY = os.environ.get("OPENROUTER_API_KEY")
+REQUESTY_API_KEY = os.environ.get("REQUESTY_API_KEY")
 AWS_ACCESS_KEY_ID = os.environ.get("AWS_ACCESS_KEY_ID")
 AWS_SECRET_ACCESS_KEY = os.environ.get("AWS_SECRET_ACCESS_KEY")
 AWS_SESSION_TOKEN = os.environ.get("AWS_SESSION_TOKEN")
@@ -45,6 +47,8 @@
     os.environ["GOOGLE_API_KEY"] = GOOGLE_API_KEY
 if OPENROUTER_API_KEY:
     os.environ["OPENROUTER_API_KEY"] = OPENROUTER_API_KEY
+if REQUESTY_API_KEY:
+    os.environ["REQUESTY_API_KEY"] = REQUESTY_API_KEY
 if AWS_ACCESS_KEY_ID:
     os.environ["AWS_ACCESS_KEY_ID"] = AWS_ACCESS_KEY_ID
 if AWS_SECRET_ACCESS_KEY:
@@ -74,6 +78,7 @@
     OpenAIClient.__name__: OpenAIClient,
     LiteLLMClient.__name__: LiteLLMClient,
     OpenRouterClient.__name__: OpenRouterClient,
+    RequestyClient.__name__: RequestyClient,
     OllamaClient.__name__: OllamaClient,
     BedrockClient.__name__: BedrockClient,
     AzureAIClient.__name__: AzureAIClient,
@@ -87,6 +92,7 @@
     "openai": OpenAIClient,
     "litellm": LiteLLMClient,
     "openrouter": OpenRouterClient,
+    "requesty": RequestyClient,
     "ollama": OllamaClient,
     "bedrock": BedrockClient,
     "azure": AzureAIClient,

api/config/generator.json

@@ -113,6 +113,34 @@
         }
       }
     },
+    "requesty": {
+      "default_model": "openai/gpt-4o-mini",
+      "supportsCustomModel": true,
+      "models": {
+        "openai/gpt-4o-mini": {
+          "temperature": 0.7,
+          "top_p": 0.8
+        },
+        "openai/gpt-4.1": {
+          "temperature": 0.7,
+          "top_p": 0.8
+        },
+        "openai/gpt-5-mini": {
+          "temperature": 1.0
+        },
+        "anthropic/claude-sonnet-4-5": {
+          "temperature": 0.7
+        },
+        "google/gemini-2.5-flash": {
+          "temperature": 1.0,
+          "top_p": 0.8
+        },
+        "deepseek/deepseek-chat": {
+          "temperature": 0.7,
+          "top_p": 0.8
+        }
+      }
+    },
     "ollama": {
       "default_model": "qwen3:1.7b",
       "supportsCustomModel": true,

api/config/generator.litellm.json

@@ -131,6 +131,34 @@
         }
       }
     },
+    "requesty": {
+      "default_model": "openai/gpt-4o-mini",
+      "supportsCustomModel": true,
+      "models": {
+        "openai/gpt-4o-mini": {
+          "temperature": 0.7,
+          "top_p": 0.8
+        },
+        "openai/gpt-4.1": {
+          "temperature": 0.7,
+          "top_p": 0.8
+        },
+        "openai/gpt-5-mini": {
+          "temperature": 1.0
+        },
+        "anthropic/claude-sonnet-4-5": {
+          "temperature": 0.7
+        },
+        "google/gemini-2.5-flash": {
+          "temperature": 1.0,
+          "top_p": 0.8
+        },
+        "deepseek/deepseek-chat": {
+          "temperature": 0.7,
+          "top_p": 0.8
+        }
+      }
+    },
     "ollama": {
       "default_model": "qwen3:1.7b",
       "supportsCustomModel": true,

src/messages/en.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama (Local)",
     "localOllama": "Local Ollama Model",
     "experimental": "Experimental",

src/messages/es.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama (Local)",
     "localOllama": "Modelo Ollama Local",
     "experimental": "Experimental",

src/messages/fr.json

@@ -45,6 +45,7 @@
       "providerGoogle": "Google",
       "providerOpenAI": "OpenAI",
       "providerOpenRouter": "OpenRouter",
+      "providerRequesty": "Requesty",
       "providerOllama": "Ollama (Local)",
       "localOllama": "Modèle Ollama local",
       "experimental": "Expérimental",

src/messages/ja.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama（ローカル）",
     "localOllama": "ローカルOllamaモデル",
     "experimental": "実験的",

src/messages/kr.json

@@ -45,6 +45,7 @@
       "providerGoogle": "구글",
       "providerOpenAI": "OpenAI",
       "providerOpenRouter": "OpenRouter",
+      "providerRequesty": "Requesty",
       "providerOllama": "Ollama (로컬)",
       "localOllama": "로컬 Ollama 모델",
       "experimental": "실험적",

src/messages/pt-br.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama (Local)",
     "localOllama": "Modelo Ollama Local",
     "experimental": "Experimental",

src/messages/ru.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama (локально)",
     "localOllama": "Локальная модель Ollama",
     "experimental": "Экспериментально",

src/messages/vi.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama (Cục bộ)",
     "localOllama": "Mô hình Ollama cục bộ",
     "experimental": "Thử nghiệm",

src/messages/zh-tw.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama（本機）",
     "localOllama": "本機 Ollama 模型",
     "experimental": "實驗性",

src/messages/zh.json

@@ -45,6 +45,7 @@
     "providerGoogle": "Google",
     "providerOpenAI": "OpenAI",
     "providerOpenRouter": "OpenRouter",
+    "providerRequesty": "Requesty",
     "providerOllama": "Ollama (本地)",
     "localOllama": "本地Ollama模型",
     "experimental": "实验性",