# Referral Mechanism **10%** commission fee is reserved for all referrers. Participants in the Node Sale will receive a referral code. When friends join the Node Sale using your code, you will earn 10% of their contribution amount. **For referral purchasers:** Round 1: 20% discount Round 2: 5% discount --- # 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.kaisar.io/kaisar-network/kaisar-architecture/products/kaisar-onenode/kaisar-checker/what-is-the-kaisar-checker-node/referral-mechanism.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.