# FUNDAMENTALS - [Convert Postman Collection to OpenAPI Yaml](https://docs.api.market/fundamentals/convert-postman-collection-to-openapi-yaml.md): If you have never converted Postman Collection to OpenAPI Yaml before it can be a bit daunting task. Just follow the below simple steps to convert. - [Create OpenAPI spec using ChatGPT](https://docs.api.market/fundamentals/create-openapi-spec-using-chatgpt.md): If you have never worked with OpenAPI spec then creating one can look like a daunting task but it is actually very easy. You can auto-generate an OpenAPI YAML using ChatGPT. Just Follow this tutorial. --- # 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.api.market/fundamentals.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.