# Introduction Welcome to the API Documentation of VeChain Stats, the leading block explorer for the vechain blockchain! This documentation serves as a comprehensive and professional guide that outlines the various endpoints, request and response formats, authentication mechanisms, rate limiting, error handling, and best practices, equipping you with the necessary tools to effectively integrate with our Blockchain Explorer. By leveraging our API, you can seamlessly retrieve in-depth information about transactions, addresses, blocks, and more, enabling you to effortlessly build sophisticated applications and services on top of the blockchain. Please note that in order to use our API, you will need a valid API key, which can be obtained by registering for an account on our platform. Once you have an API key, you can start making requests to our API and harness the power of the blockchain to build innovative applications and services. So let's dive in and explore the possibilities of our Blockchain Explorer API! {% hint style="info" %} **Source attribution** via a backlink or a mention that your app is **"Powered by vechainstats.com APIs"** is required except for personal/private usage. {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.vechainstats.com/introduction.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.