> 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/compatibility-apis.md).

# Compatibility APIs

#### **Compatibility APIs**

Our API endpoints are fully compatible with **BIS** and designed to ensure a seamless transition to ChainDAQ.

#### **Why Choose ChainDAQ for Compatibility?**

* **Drop-In Replacements**: Easily integrate our services with minimal changes to your existing setup.
* **Smooth Transition**: Replace your current API calls with ChainDAQ endpoints and start experiencing superior performance.
* **Reliable Support**: Our team is here to assist you every step of the way to ensure compatibility and efficiency.

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#### **Start Integrating Today**

Explore the full list of compatible endpoints below and discover how easy it is to switch to ChainDAQ.

"Need an API key? Visit our [Plans page](https://www.chaindaq.com/plans) to request one and start integrating today."