# What is this? receivabl.es is a simple, low-fee payment processor that helps you avoid credit cards fees when accepting payments online. We achieve this through electronic funds transfer over the Automated Clearing House (ACH) network, sometimes referred to as eCheck, direct debit, or direct payment via ACH. --- # 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://help.receivabl.es/general/what-is-this.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.