# Standard APIs The DotScan APIs service supports most of the Polkadot ecosystem network and parachains. The APIs achieve high security and stability, meet a variety of data sources, data types and are easy to use, which can meet the requirements of different project areas. Standard APIs can provide developers with more basic and rate-limited data sources as listed below: * Polkadot and Kusama Data APIs * Parachains Data APIs * EVM data APIs * Project Data APIs --- # 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://whitepaper.dotscan.com/dotscan-explorer/standard-apis.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.