BrowserFormPost url to long - punchout cXML model 2b

Summary:

I have an supplier that can´t except BrowserFormPost url on more that 256 characters regarding punchout

So we can´t connect. I have tried diff. browsers,- same length.

Is it possible to cut BrowserFormPost down to 256 characters?

Version 23C

example:

<?xml version = '1.0' encoding = 'UTF-8'?> <!DOCTYPE cXML SYSTEM http://xml.cxml.org/schemas/cXML/1.1.007/cXML.dtd> <cXML version="1.1.007"

https://efzu-x.fa.em2.oraclecloud.com:443/fscmUI/faces/FndOverview?fnd=%252FWEB-INF%252Foracle%252Fapps%252Fprc%252Fpor%252FcatalogMgmt%252Fui%252Fcatalog%252Fflow%252FCatalogMainAreaFlow.xml%2523CatalogMainAreaFlow%3BParam_Calling_From%253DTasksList%253BParam_CatalogId%253Dnull%253BParam_CatalogName%253Dnull%253BParam_CatalogType%253Dnull%253BParam_PunchoutCatalogId%253D300000163110651%253BParam_PunchoutAction%253DsuppSync%3B%3BManage%2BCatalogs%3Bfalse%3B256%3B%3B%3B&fndTaskItemNodeId=PorCatalogMgmtOverview&fndGlobalItemNodeId=itemNode_procurement_catalogs</URL></BrowserFormPost><Contact><Name