[Editor's Note: Could not find an API by this name at given home page URL. There are, however, several other APIs there that provide similar functions. These include IBM Acoustic Channel Consent, IBM Acoustic Contact by Channel, IBM Acoustic Establish Identity, and IBM Acoustic Push to Device.]
The IBM Watson Customer Engagement API delivers cross-channel marketing interactions which build into mobile and social solutions. The API allows the creation of notification campaigns for engaging customers at the optimal time and place. JSON is the preferred response format, and OAuth 2.0 the authentication method.