No, Chatsimple doesn't provide API.
No, Chatsimple doesn't provide mobile app.
Chatsimple is located in Ontario, Canada
Chatsimple offers Freemium, Quotation Based, Subscription pricing models
Yes, Chatsimple can integrate with Webflow, Calendly, SalesforceYou can find more integration for Chatsimple here
The starting price is not disclosed by Chatsimple. You can visit Chatsimple pricing page to get the latest pricing.