# API Key To make any request, you'll need an API Key from Kaiko. Contact if you don't have yours. \ \ There's a placeholder for the API Key in all code examples. The parameter to be passed in the header is **X-Api-Key.** --- # 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.kaiko.com/stream/general/general-information/api-key.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.