Beginning 15 September, there will be error #59 appearing on some API Live 4 method calls, notifying these methods are deprecated and transition to API 5 is strongly recommended.

Please see the full list of these API Live 4 methods below:

CreateOrUpdateCampaign (Live), GetCampaignsList (Live), GetCampaignsListFilter (Live), GetCampaignsParams (Live), GetCampaignParams (Live), DeleteCampaign (Live), ResumeCampaign (Live), StopCampaign (Live), ArchiveCampaign (Live), UnArchiveCampaign (Live), CreateOrUpdateBanners (Live), GetBanners (Live), DeleteBanners (Live), ModerateBanners (Live), ResumeBanners (Live), StopBanners (Live), ArchiveBanners (Live), UnArchiveBanners (Live), Keyword (Live), GetBannerPhrases (Live), GetBannerPhrasesFilter (Live), SetAutoPrice (Live), UpdatePrices (Live), GetChanges (Live).

In the “Migration guide” you will find all the necessary information on method equivalents and campaign parameters for API version Live 4 and API 5.