Do any companies offer artificial intelligence as-a-service (AIaaS)?

Do any companies offer artificial intelligence as-a-service (AIaaS)?

The new Pandorabots API at chatbots.io promotes itself as “Artificial Intelligence as a Service”.

A quick google reveals that orbit.ai is also promoting itself as “Artificial Intelligence as a Service”.

The new IBM Watson APIs on Bluemix are also being referred to as “Artificial intelligence as a Service“.

See also the Quora question:

• What are the best dialog system APIs for the Internet of Things?