---
title: "MessageService 3.1"
canonical: "https://knowledge-hub.onetrail.com/space/docs/718702388/MessageService%203.1"
format: markdown
---
# Onetrail TPN with MessageService 3.1

<span style="color: #000000">Onetrail TPN Messageservice 3.1 The Communications Standards Building and Installation Industry Committee (Ketenstandaard / DICO) manages the Messageservice 3.1. </span>

<span style="color: #000000">The Messageservice 3.1 makes it possible to communicate SALES / INSBOU Messages via web service. As a result, the SALES / INSBOU Messages are requested and delivered in real time.</span>

<span style="color: #000000">More information is available here: </span>[<span style="color: #000000">Webservices - Ketenstandaard Bouw en Techniek</span>](https://ketenstandaard.nl/dico-facts/welke-mogelijkheden-biedt-dico/webservices/)

## Message Service 3.1 Set-Up

The URL required to POST messages to Onetrail via MessageService: [https://soap.onetrail.net/MessageServiceV31](https://soap.onetrail.net/MessageServiceV31)

User's will have to have an account already setup on the Onetrail TPN Portal.

## Downloadable Examples

: Sample .WSDL file for Message Service 3.1.

: Message Service 3.1 .xsl / Schema.

: Message Service 3.1 Authentication.

: Ketenstandaard Messageservice Webservice .pdf technical manual.