The Geocodio Address Formats Curl Sample Code demonstrates how to access the API to format address, supporting streets with or without house numbers that require a city or zip in conjunction, intersections, cities, zipcodes,and states.
Mapbox has completely revamped the pricing model for its API and SDK portfolio. The company has increased its free tier, and transitioned to a completely pay as you go model. Volume discounts apply, and automatically activate as a user's consumption grows. No commitments are required.