Add new section to Portkey Models API documentation for fetching all models at once

- Introduced a new tip and detailed endpoint for retrieving pricing configurations for all models from a specific provider in a single request.
- Added example responses and usage instructions to enhance user understanding and accessibility of the API.

Author: sambharia

product/model-catalog/portkey-models.mdx

@@ -56,6 +56,16 @@ output_cost = pricing['pay_as_you_go']['response_token']['price']
 
 </CodeGroup>
 
+<Tip>
+**Need to discover all models for a provider?** Instead of querying each model individually, you can fetch pricing for all models at once:
+
+```bash
+curl https://configs.portkey.ai/pricing/{provider}.json
+```
+
+[See detailed documentation below ↓](#get-all-models-for-a-provider)
+</Tip>
+
 ---
 
 ## Understanding Pricing Units
@@ -429,6 +439,148 @@ GET https://api.portkey.ai/model-configs/general/{provider}/{model}
 
 ---
 
+### Get All Models for a Provider
+
+Returns pricing configuration for all models from a specific provider in a single response.
+
+```
+GET https://configs.portkey.ai/pricing/{provider}.json
+```
+
+<Info>
+Use this endpoint to discover all available models and their pricing for a provider, instead of querying each model individually.
+</Info>
+
+#### Path Parameters
+
+<ParamField path="provider" type="string" required>
+  Provider identifier. Use lowercase with hyphens.
+  
+  Examples: `openai`, `anthropic`, `google`, `bedrock`, `azure-openai`, `together-ai`, `groq`, `deepseek`, `x-ai`, `mistral-ai`
+</ParamField>
+
+#### Response Schema
+
+Returns a JSON object where:
+- Keys are model identifiers
+- Values contain `pricing_config` objects with the same structure as the individual model pricing endpoint
+- A `default` key provides the base pricing template
+
+<ResponseField name="{model-id}" type="object">
+  Pricing configuration for a specific model.
+  
+  <Expandable title="properties">
+    <ResponseField name="pricing_config" type="object">
+      Contains the same pricing structure as the individual model endpoint: `pay_as_you_go`, `calculate`, `currency`, etc.
+    </ResponseField>
+  </Expandable>
+</ResponseField>
+
+#### Example Response
+
+<CodeGroup>
+
+```bash cURL
+curl --request GET \
+  --url https://configs.portkey.ai/pricing/bedrock.json
+```
+
+```javascript JavaScript
+const response = await fetch('https://configs.portkey.ai/pricing/bedrock.json');
+const allModels = await response.json();
+
+// Access specific model pricing
+const claudePrice = allModels['anthropic.claude-3-5-sonnet-20241022-v2:0'];
+console.log(claudePrice.pricing_config.pay_as_you_go);
+```
+
+```python Python
+import requests
+
+all_models = requests.get(
+    'https://configs.portkey.ai/pricing/bedrock.json'
+).json()
+
+# List all available models
+for model_id in all_models.keys():
+    if model_id != 'default':
+        print(model_id)
+```
+
+</CodeGroup>
+
+<Accordion title="Sample Response (Bedrock)">
+
+```json
+{
+  "default": {
+    "pricing_config": {
+      "pay_as_you_go": {
+        "request_token": { "price": 0 },
+        "response_token": { "price": 0 }
+      },
+      "calculate": {
+        "request": {
+          "operation": "multiply",
+          "operands": [
+            { "value": "input_tokens" },
+            { "value": "rates.request_token" }
+          ]
+        },
+        "response": {
+          "operation": "multiply",
+          "operands": [
+            { "value": "output_tokens" },
+            { "value": "rates.response_token" }
+          ]
+        }
+      },
+      "currency": "USD"
+    }
+  },
+  "anthropic.claude-3-5-sonnet-20241022-v2:0": {
+    "pricing_config": {
+      "pay_as_you_go": {
+        "request_token": { "price": 0.0003 },
+        "response_token": { "price": 0.0015 },
+        "cache_write_input_token": { "price": 0.000375 },
+        "cache_read_input_token": { "price": 0.00003 }
+      }
+    }
+  },
+  "anthropic.claude-3-haiku-20240307-v1:0": {
+    "pricing_config": {
+      "pay_as_you_go": {
+        "request_token": { "price": 0.000025 },
+        "response_token": { "price": 0.000125 }
+      }
+    }
+  },
+  "meta.llama3-1-405b-instruct-v1:0": {
+    "pricing_config": {
+      "pay_as_you_go": {
+        "request_token": { "price": 0.000532 },
+        "response_token": { "price": 0.0016 }
+      }
+    }
+  },
+  "amazon.nova-pro-v1:0": {
+    "pricing_config": {
+      "pay_as_you_go": {
+        "request_token": { "price": 0.00008 },
+        "response_token": { "price": 0.00002 },
+        "cache_read_input_token": { "price": 0.00004 },
+        "cache_write_input_token": { "price": 0.00016 }
+      }
+    }
+  }
+}
+```
+
+</Accordion>
+
+---
+
 ## Additional Units Reference
 
 Provider-specific pricing for features beyond standard token costs: