KeywordBids
You can use this service to set bids for keywords and autotargetings, and to retrieve data that will help you manage bids.
All bids and costs appear in the user's currency.
Methods
WSDL description address
https://api.direct.yandex.com/v5/keywordbids?wsdl
https://api.direct.yandex.com/v501/keywordbids?wsdl
Address for SOAP requests
https://api.direct.yandex.com/v5/keywordbids
https://api.direct.yandex.com/v501/keywordbids
Address for JSON requests
https://api.direct.yandex.com/json/v5/keywordbids
https://api.direct.yandex.com/json/v501/keywordbids