# API Key You'll need to provide your API Key to access Kaiko Indices services. ### Using Kaiko Stream Include your API key in your access credentials - see the code examples provided. ### Using REST API When using REST API, include your API key in the header - see the code examples provided. --- # 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/kaiko-indices/getting-started/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.