Top 90 Geocoding APIs For Developers - Public APIs

Abstract IP Geolocation - Geolocate website visitors from their IPs
Actinia Grass GIS - Actinia is an open source REST API for geographical data that uses GRASS GIS
administrative-divisons-db - Get all administrative divisions of a country
adresse.data.gouv.fr - Address database of France, geocoding and reverse
Airtel IP - IP Geolocation API. Collecting data from multiple sources
Apiip - Get location information by IP address
APlace.io - Address autocomplete and reverse geocoding API
Battuta - A (country/region/city) in-cascade location API
BigDataCloud's Free API - Get free client-side reverse geocoding API and Client Info API. No account creation and API key required.
BigDataCloud's IP Geolocation API - Provides fast and accurate IP geolocation APIs along with security checks and confidence area.
BigDataCloud's Network Engineering API - Get detailed ASN and Network lookup of an IP address.
BigDataCloud's Phone and Email Verification API - Syntax and Format Validation of Phone Number and Email address.
BigDataCloud's Reverse Geocoding API - Get rich locality information from the geographical coordinates.
Bing Maps - Create/customize digital maps based on Bing Maps data
bng2latlong - Convert British OSGB36 easting and northing (British National Grid) to WGS84 latitude and longitude
Cartes.io - Create maps and markers for anything
Cep.la - Brazil RESTful API to find information about streets, zip codes, neighborhoods, cities and states
CitySDK - Open APIs for select European cities
Country - Get your visitor's country from their IP
CountryStateCity - World countries, states, regions, provinces, cities & towns in JSON, SQL, XML, YAML, & CSV format
Ducks Unlimited - API explorer that gives a query URL with a JSON response of locations and cities
FreeGeoIP - Free geo ip information, no registration required. 15k/hour rate limit
GeoApi - French geographical data
Geoapify - Forward and reverse geocoding, address autocomplete
Geocod.io - Address geocoding / reverse geocoding in bulk
Geocode.xyz - Provides worldwide forward/reverse geocoding, batch geocoding and geoparsing
Geocodify.com - Worldwide geocoding, geoparsing and autocomplete for addresses
Geodata.gov.gr - Open geospatial data and API service for Greece
GeoDataSource - Geocoding of city name by using latitude and longitude coordinates
GeoDB Cities - Get global city, region, and country data
GeographQL - A Country, State, and City GraphQL API
GeoJS - IP geolocation with ChatOps integration
Geokeo - Geokeo geocoding service- with 2500 free api requests daily
GeoNames - Place names and other geographical data
geoPlugin - IP geolocation and currency conversion
Google Earth Engine - A cloud-based platform for planetary-scale environmental data analysis
Google Maps - Create/customize digital maps based on Google Maps data
Graph Countries - Country-related data like currencies, languages, flags, regions+subregions and bordering countries
HelloSalut - Get hello translation following user language
HERE Maps - Create/customize digital maps based on HERE Maps data
Hong Kong GeoData Store - API for accessing geo-data of Hong Kong
IBGE - Aggregate services of IBGE (Brazilian Institute of Geography and Statistics)
IP 2 Country - Map an IP to a country
IP Address Details - Find geolocation with ip address
ip-api - Find location with IP address or domain
IP Vigilante - Free IP Geolocation API
IP2Location - IP geolocation web service to get more than 55 parameters
IP2Location.io - Bundle of Free IP geolocation and WHOIS API
IP2Proxy - Detect proxy and VPN using IP address
ipapi.co - Find IP address location information
IPGEO - Unlimited free IP Address API with useful information
ipgeolocation - IP Geolocation AP with free plan 30k requests per month
IPInfoDB - Free Geolocation tools and APIs for country, region, city and time zone lookup by IP address
Kakao Maps - Kakao Maps provide multiple APIs for Korean maps
keycdn IP Location Finder - Get the IP geolocation data through the simple REST API. All the responses are JSON encoded
LocationIQ - Provides forward/reverse geocoding and batch geocoding
Longdo Map - Interactive map with detailed places and information portal in Thailand
Mapbox - Create/customize beautiful digital maps
MapQuest - To access tools and resources to map the world
Mexico - Mexico RESTful zip codes API
Nominatim - Provides worldwide forward / reverse geocoding
One Map, Singapore - Singapore Land Authority REST API services for Singapore addresses
OnWater - Determine if a lat/lon is on water or land
Open Topo Data - Elevation and ocean depth for a latitude and longitude
OpenCage - Forward and reverse geocoding using open data
openrouteservice.org - Directions, POIs, isochrones, geocoding (+reverse), elevation, and more
OpenStreetMap - Navigation, geolocation and geographical data
Pinball Map - A crowdsourced map of public pinball machines
Postali - Mexico Zip Codes API
PostcodeData.nl - Provide geolocation data based on postcode for Dutch addresses
Postcodes.io - Postcode lookup & Geolocation for the UK
Proweblook IP Checker - Proweblook lookup & Geolocation
Queimadas INPE - Access to heat focus data (probable wildfire)
REST Countries - Get information about countries via a RESTful API
RoadGoat Cities - Cities content & photos API
Rwanda Locations - Rwanda Provinces, Districts, Cities, Capital City, Sector, cells, villages and streets
SLF - German city, country, river, database
SpotSense - Add location based interactions to your mobile app
Telize - Telize offers location information from any IP address
TomTom - Maps, Directions, Places and Traffic APIs
Uebermaps - Discover and share maps with friends
US ZipCode - Validate and append data for any US ZipCode
Utah AGRC - Utah Web API for geocoding Utah addresses
ViaCep - Brazil RESTful zip codes API
What3Words - Three words as rememberable and unique coordinates worldwide
Yandex.Maps Geocoder - Use geocoding to get an object's coordinates from its address
ZipCodeAPI - US zip code distance, radius and location API
Zipcodestack - Zip Code API - Free Postal Code Validation
Zippopotam.us - Get information about place such as country, city, state, etc
Ziptastic - Get the country, state, and city of any US zip-code