## Documentation Index Access the complete documentation index at: https://www.zoho.com/en-fr/books/kb/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # Is an External B2Brouter Account Required? An external B2Brouter account is not required. The [setup](/en-fr/books/kb/e-invoicing/integrate-b2brouter.html) is completed inside Zoho Books as part of the e-invoicing configuration.