> For the complete documentation index, see [llms.txt](https://ordnull.gitbook.io/api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ordnull.gitbook.io/api/welcome-to-chaindaqs-api-documentation.md).

# Welcome to ChainDAQ's API Documentation

#### **Welcome!**

At ChainDAQ, we deliver cutting-edge indexing solutions for **Bitcoin (BTC)**, **Ethereum (ETH)**, and **Solana (SOL)**. Whether you're building the next big Web3 application, analyzing blockchain activity, or monitoring real-time data, our APIs give you the power to access and utilize blockchain data with speed and reliability.

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#### **Request Your API Key**

To start using our API, you'll need an API key.\
📌 **Visit** [**ChainDAQ Plans**](https://www.chaindaq.com/plans) **to fill out the form and request your key today!**

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#### **What You'll Find Here**

* **Comprehensive API Endpoints**: Explore methods for retrieving transactions, blocks, addresses, and more.
* **Quick Start Guides**: Step-by-step tutorials for seamless integration.
* **Advanced Features**: Leverage real-time data and event monitoring.
* **Support and FAQs**: Resources to help you maximize your experience.

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#### **Why Choose ChainDAQ?**

* **Fast & Reliable**: Designed for speed and scalability.
* **Comprehensive Data**: Full access to BTC, ETH, and SOL ecosystems.
* **Developer-Friendly**: Clear documentation, robust examples, and responsive support.

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#### **Ready to Get Started?**

Explore the documentation below to unlock the full capabilities of our API. Don't forget to [Request Your API Key](https://www.chaindaq.com/plans) to access our tools and bring your blockchain ideas to life.