If you need a geocoding service you can rely on, Smarty is a good choice. It can process US and international addresses for 250 countries and territories, and the system offers geocoding, address verification and address autocomplete. It's geared for businesses like telecommunications, health care and insurance. A free trial and a $65 per month professional plan make Smarty's full-featured API and good customer support a good option.
Another good option is PlaceKit, a geocoding API and autocomplete service designed to help you build user interfaces and manage addresses. PlaceKit covers 246 countries and multiple languages, so it's good for global businesses. It's got customizable autocomplete, live patching to update addresses, and map integration, too. It's a good alternative to Google Places and Mapbox.
If you need a more powerful location platform, Radar offers geofencing, geocoding and mapping with a big priority on accuracy and privacy. Radar's pricing is tiered, with a free plan and more expensive options that let you scale up just the parts of the service you need. It's integrated with tools like Segment, Amplitude and Braze, and it's designed to meet enterprise-level privacy and security requirements.
Last, Geoapify offers a full-on location platform with APIs for mapping, geocoding, routing and spatial analysis. It's got more advanced tools for building interactive maps, finding addresses and routing. Pricing is flexible and competitive, including a free plan with 3,000 credits per day. Geoapify is good for building location-based apps and services.