...
http:
//YOURDOMAIN/plugins/servlet/crm/api?apiKey=${apiKey}&userName=${userName}&command=setcontact&companyId=15&contactId=6
Add company with the specified attributes.
http:
//YOURDOMAIN/plugins/servlet/crm/api?apiKey=${apiKey}&userName=${userName}&command=addcompany&clients-org_name=test Company Name&clients-org_www=test.com&tableName=CLIENTS&view-clients-org_industry=Consulting&view-clients-org_sla=SLA-1 Free
...