/api/v1/omnipay/merchantDetails/{mid}/contractpost https://merchant-services.fiservapp.com/boarding-ui/external-api/maintenance/api/v1/omnipay/merchantDetails/{mid}/contractPath ParamsmidstringrequiredBody ParamsclientTariffIndexstringrequired^[0-9]{6}$postingTariffIndexstringrequired^[0-9]{3}$settlementMethodIndexstringrequired^[0-9]{3}$tierStructureIndexstringrequired^[\s]|[0-9]{0,3}$effectiveDatedateResponse 200OKUpdated 11 months ago Did this page help you?YesNo