Update index branding

Author: kesku

docs/index.mdx

@@ -1,49 +1,46 @@
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 slug: /
-title: Perplexity Sonar API Cookbook
-description: A collection of practical examples and guides for building with Perplexity's Sonar API
+title: Perplexity API Cookbook
+description: A collection of practical examples and guides for building with Perplexity's API Platform
 keywords: [perplexity, sonar, api, cookbook, examples, tutorials]
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-# Perplexity Sonar API Cookbook
-
-A collection of practical examples and guides for building with [**Perplexity's Sonar API**](https://sonar.perplexity.ai/) - the fastest, most cost-effective AI answer engine with real-time search capabilities.
+A collection of practical examples and guides for building with [**Perplexity's API Platform**](https://docs.perplexity.ai/) - the fastest, most cost-effective AI answer engine with real-time search capabilities.
 
 ## Quick Start
 
 To get started with any project in this cookbook:
 
 1. **Browse examples** - Find the use case that matches your needs
 2. **Follow the guide** - Each example includes complete setup instructions
-3. **Get the code** - Full implementations are available in our [GitHub repository](https://github.com/ppl-ai/api-cookbook)
+3. **Get the code** - Full implementations are available in our [GitHub repository](https://github.com/perplexityai/api-cookbook)
 4. **Build and customize** - Use the examples as starting points for your projects
 
 ## What's Inside
 
-### [Examples](/examples)
+### [Examples](/cookbook/examples/README)
 Ready-to-run projects that demonstrate specific use cases and implementation patterns.
 
-### [Showcase](/showcase)
-Community-built applications that demonstrate real-world implementations of the Sonar API.
+### [Showcase](/cookbook/showcase/briefo/)
+Community-built applications that demonstrate real-world implementations of the API Platform.
 
-### [Integration Guides](/articles)
+### [Integration Guides](/cookbook/articles/memory-management/chat-summary-memory-buffer/README)
 In-depth tutorials for advanced implementations and integrations with other tools.
 
-> **Note**: All complete code examples, scripts, and project files can be found in our [GitHub repository](https://github.com/ppl-ai/api-cookbook). The documentation here provides guides and explanations, while the repository contains the full runnable implementations.
+> **Note**: All complete code examples, scripts, and project files can be found in our [GitHub repository](https://github.com/perplexityai/api-cookbook). The documentation here provides guides and explanations, while the repository contains the full runnable implementations.
 
 ## Contributing
 
-Have a project built with Sonar API? We'd love to feature it! Check our [Contributing Guidelines](https://github.com/ppl-ai/api-cookbook/blob/main/CONTRIBUTING.md) to learn how to:
+Have a project built with API Platform? We'd love to feature it! Check our [Contributing Guidelines](https://github.com/perplexityai/api-cookbook/blob/main/CONTRIBUTING.md) to learn how to:
 
 - Submit example tutorials
 - Add your project to the showcase
 - Improve existing content
 
 ## Resources
 
-- [Sonar API Documentation](https://docs.perplexity.ai/home)
-- [API Playground](https://perplexity.ai/account/api/playground)
-- [GitHub Repository](https://github.com/ppl-ai/api-cookbook)
+- [API Documentation](https://docs.perplexity.ai/home)
+- [GitHub Repository](https://github.com/perplexityai/api-cookbook)
 
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