> For the complete documentation index, see [llms.txt](https://docs.ordyssey.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ordyssey.com/for-community-developers/open-api.md). # Open API ## Overview Ordyssey Open-API is for Ordinals community developers, allowing you to fetch aggregated listings and activities across popular Ordinals marketplaces. Proxy order routing (buy/list/bid) is also enabled as public liquidity infrastructure for Ordinals ecosystem. You can build your own apps, such as trading/arbitrage bot, Telegram/Discord push bot for your community, and much more using the API. ## Get an API Key To use the Open-API, please feel free to open a ticket in our [**Discord**](https://discord.gg/NyhD2y5mMD) or email us (****), and we will send you a free API Key. ## Standard Auth Header ``` curl --header "Authorization: Token " https://open-api.ordyssey.com/v1/dex/activities/bitmap ``` ## Endpoint *open-api.ordyssey.com* --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## 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.ordyssey.com/for-community-developers/open-api.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.