# V1 OpenAlgo API is a set of **REST APIs** that provide integration with multiple brokers with which you can build your own customized trading applications ## Endpoint URL ```http Local Host : http://127.0.0.1:5000/api/v1/placeorder Ngrok Domain : https://.ngrok-free.app/api/v1/placeorder Custom Domain: https:///api/v1/placeorder ``` --- # 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.openalgo.in/api-documentation/v1.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.