https://developer.vertexinc.com/einvoicing/docs/endpoint-ids
VRBL: Endpoint IDs
Endpoint IDs are used to identify parties, such as Buyers or Suppliers in e-invoicing systems or networks like PEPPOL.
vrblendpointids
https://developer.vertexinc.com/einvoicing/docs/vrbl-overview
VRBL Basic Concepts
Read this introduction to Vertex Universal Standard (VRBL) and some basic concepts.
vrblbasicconcepts