Update campaignCopy Pagepatch https://api.omnisend.com/api/campaigns/{id}Update an existing campaign. Scopes: campaigns.writePath ParamsidstringrequiredCampaign ID (24 character hexadecimal)Body ParamsCampaign update dataaudienceobjectCampaign audienceaudience objectcontentobjectCampaign content for updatecontent objectlanguagestringCampaign language locale in xx_XX format. Must be a supported languagenamestringlength ≤ 250Campaign namesendingSettingsobjectSending settings for campaign update. Full object replacement - all fields must be providedsendingSettings objectHeadersOmnisend-VersionstringrequiredDefaults to 2026-03-15API version that specifies the response format and behaviourResponses 200Updated campaign 400Request contains invalid or missing fields 401Authentication is missing or invalid 403Insufficient permissions for this operation 404Campaign not found 409Campaign state does not allow modification 410API version has been retired 429Rate limit exceeded 500Unexpected error occurredUpdated 27 days ago