docs - add sap gen ai provider on LiteLLM (#17667)

docs/my-website/docs/providers/sap.md

@@ -0,0 +1,121 @@
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+# SAP Generative AI Hub
+
+LiteLLM supports SAP Generative AI Hub's Orchestration Service.
+
+| Property | Details |
+|-------|-------|
+| Description | SAP's Generative AI Hub provides access to foundation models through the AI Core orchestration service. |
+| Provider Route on LiteLLM | `sap/` |
+| Supported Endpoints | `/chat/completions` |
+| API Reference | [SAP AI Core Documentation](https://help.sap.com/docs/sap-ai-core) |
+
+## Authentication
+
+SAP Generative AI Hub uses service key authentication. You can provide credentials via:
+
+1. **Environment variable** - Set `AICORE_SERVICE_KEY` with your service key JSON
+2. **Direct parameter** - Pass `api_key` with the service key JSON string
+
+```python showLineNumbers title="Environment Variable"
+import os
+os.environ["AICORE_SERVICE_KEY"] = '{"clientid": "...", "clientsecret": "...", ...}'
+```
+
+## Usage - LiteLLM Python SDK
+
+```python showLineNumbers title="SAP Chat Completion"
+from litellm import completion
+import os
+
+os.environ["AICORE_SERVICE_KEY"] = '{"clientid": "...", "clientsecret": "...", ...}'
+
+response = completion(
+    model="sap/gpt-4",
+    messages=[{"role": "user", "content": "Hello from LiteLLM"}]
+)
+print(response)
+```
+
+```python showLineNumbers title="SAP Chat Completion - Streaming"
+from litellm import completion
+import os
+
+os.environ["AICORE_SERVICE_KEY"] = '{"clientid": "...", "clientsecret": "...", ...}'
+
+response = completion(
+    model="sap/gpt-4",
+    messages=[{"role": "user", "content": "Hello from LiteLLM"}],
+    stream=True
+)
+
+for chunk in response:
+    print(chunk.choices[0].delta.content or "", end="")
+```
+
+## Usage - LiteLLM Proxy
+
+Add to your LiteLLM Proxy config:
+
+```yaml showLineNumbers title="config.yaml"
+model_list:
+  - model_name: sap-gpt4
+    litellm_params:
+      model: sap/gpt-4
+      api_key: os.environ/AICORE_SERVICE_KEY
+```
+
+Start the proxy:
+
+```bash showLineNumbers title="Start Proxy"
+litellm --config config.yaml
+```
+
+<Tabs>
+<TabItem value="curl" label="cURL">
+
+```bash showLineNumbers title="Test Request"
+curl http://localhost:4000/v1/chat/completions \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer your-proxy-api-key" \
+  -d '{
+    "model": "sap-gpt4",
+    "messages": [{"role": "user", "content": "Hello"}]
+  }'
+```
+
+</TabItem>
+<TabItem value="openai-sdk" label="OpenAI SDK">
+
+```python showLineNumbers title="OpenAI SDK"
+from openai import OpenAI
+
+client = OpenAI(
+    base_url="http://localhost:4000",
+    api_key="your-proxy-api-key"
+)
+
+response = client.chat.completions.create(
+    model="sap-gpt4",
+    messages=[{"role": "user", "content": "Hello"}]
+)
+print(response.choices[0].message.content)
+```
+
+</TabItem>
+</Tabs>
+
+## Supported Parameters
+
+| Parameter | Description |
+|-----------|-------------|
+| `temperature` | Controls randomness |
+| `max_tokens` | Maximum tokens in response |
+| `top_p` | Nucleus sampling |
+| `tools` | Function calling tools |
+| `tool_choice` | Tool selection behavior |
+| `response_format` | Output format (json_object, json_schema) |
+| `stream` | Enable streaming |
+

docs/my-website/sidebars.js

@@ -668,6 +668,7 @@ const sidebars = {
           ]
         },
         "providers/sambanova",
+        "providers/sap",
         "providers/snowflake",
         "providers/togetherai",
         "providers/topaz",

litellm/proxy/public_endpoints/provider_create_fields.json

@@ -2446,6 +2446,24 @@
     ],
     "default_model_placeholder": "gpt-3.5-turbo"
   },
+  {
+    "provider": "SAP",
+    "provider_display_name": "SAP Generative AI Hub",
+    "litellm_provider": "sap",
+    "credential_fields": [
+      {
+        "key": "api_key",
+        "label": "SAP AI Core Service Key (JSON)",
+        "placeholder": null,
+        "tooltip": "Paste your SAP AI Core service key JSON. Contains clientid, clientsecret, and service URLs.",
+        "required": true,
+        "field_type": "textarea",
+        "options": null,
+        "default_value": null
+      }
+    ],
+    "default_model_placeholder": "sap/gpt-4"
+  },
   {
     "provider": "Snowflake",
     "provider_display_name": "Snowflake",

provider_endpoints_support.json

@@ -1554,6 +1554,23 @@
         "a2a": true
       }
     },
+    "sap": {
+      "display_name": "SAP Generative AI Hub (`sap`)",
+      "url": "https://docs.litellm.ai/docs/providers/sap",
+      "endpoints": {
+        "chat_completions": true,
+        "messages": true,
+        "responses": true,
+        "embeddings": false,
+        "image_generations": false,
+        "audio_transcriptions": false,
+        "audio_speech": false,
+        "moderations": false,
+        "batches": false,
+        "rerank": false,
+        "a2a": true
+      }
+    },
     "snowflake": {
       "display_name": "Snowflake (`snowflake`)",
       "url": "https://docs.litellm.ai/docs/providers/snowflake",