There are many companies that provide chatbot services for websites or apps, so it's difficult to name just one. Some popular companies that offer chatbot services include:
- Dialogflow by Google: A chatbot development platform that allows developers to build and deploy chatbots across multiple platforms.
- IBM Watson Assistant: A chatbot platform that uses natural language processing and machine learning to create conversational experiences.
- Botpress: A open-source chatbot platform that enables developers to create chatbots using a visual interface and code.
- ManyChat: A platform for building Facebook Messenger chatbots, as well as chatbots for other messaging apps.
- Chatfuel: A chatbot platform that allows businesses to create chatbots for Facebook Messenger and other messaging platforms without any coding.
- Tars: A platform that allows businesses to create chatbots for websites and landing pages without any coding.
- MobileMonkey: A chatbot platform for building chatbots for Facebook Messenger, SMS, and web chat.
These are just a few examples of the many companies that provide chatbot services. The best one for a particular website or app will depend on the specific needs of the business or organization.