# FAQs **Is there a minimum amount I can invest?** The minimum amount you can purchase is $50 or currency equivalent, the maximum amount you can purchase in one tranche is $250,000. **How do I purchase pre-sale tokens?** ORBN will be available to purchase directly from our website [www.orbeonprotocol.com](http://www.orbeonprotocol.com) once the presale period has elapsed you will be able to purchase ORBN on UniSwap. **What payment methods will be accepted for purchase of ORBN tokens?** We accept Ethereum, Bitcoin, USDT, BNB, Ripple and wide range of different cryptocurrencies. A full list of all accepted payment methods is available on the presale dashboard. --- # 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://orbeonprotocol.gitbook.io/orbeon-protocol/faqs.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.