# For Validators & Node Operators Validators and node operators will be onboarded during phase 2 of the testnet. The onboarding and testing of our public node client will be temporary, to analyze and check for any bugs or issues in terms of functionality and usability of our node client software. Node clients in different languages will be initially tested in the environment of the testnet protocol before being made available publicly. {% hint style="info" %} Validator onboarding for selected operators will be unlocked during phase 2 of mainnet ramp-up. More information will be published in the documentation later. Fill out the form at to be part of the public validator expansion phase. {% endhint %} --- # 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.onino.io/for-developers/nodes-and-validators/for-validators-and-node-operators.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.