Best Geocoding APIs in 2026

The top 15 of 111 free Geocoding APIs, ranked by how easy they are to start with (API key, HTTPS, CORS), how reliable they are in our daily health checks, and what developers rate them. ipwhois API takes the top spot.

Last tested Oct 24, 2026 · Rankings update daily

1
ipwhois API
Online · 226 ms
IP geolocation with country, city, coordinates, ISP, timezone and flag data.
- No API key needed
- Fast: 226 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
2
administrative-divisons-db API
Online · 745 ms
Get all administrative divisions of a country.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
3
HackMyIP API
Online · 1047 ms
IP geolocation, ISP and privacy/VPN scoring, email breach checks, DNS and WHOIS lookups.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
4
ipapi.co API
Online · 780 ms
Find IP address location information.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
5
LatLng API
Online · 431 ms
Geocoding, reverse geocoding, places, and static maps.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
6
Moradas API
Online · 519 ms
Portuguese address autocomplete and 7-digit postal codes (CP7).
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
7
Nominatim API
Online · 637 ms
Provides worldwide forward / reverse geocoding.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
8
PostalCodeCheck API
Online · 515 ms
City, region and coordinates for 887,000+ postal codes across 95 countries.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
9
Postali API
Online · 570 ms
Mexico Zip Codes API. A free geocoding API by Postali.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
10
Postcodes.io API
Online · 626 ms
Postcode lookup & Geolocation for the UK.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
11
REST Countries API
Online · 1028 ms
Get information about countries via a RESTful API.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
12
SLF API
Online · 577 ms
German city, country, river, database.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
13
Unblock Master IP API
Online · 530 ms
IP geolocation plus datacenter and VPN detection for any IPv4 or IPv6 address.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
14
IP Address Details API
Online · 505 ms
Find geolocation with ip address.
- No API key needed
- Returns JSON at its URL
- HTTPS
No authHTTPSCORS ?
15
Pinball Map API
Online · 975 ms
A crowdsourced map of public pinball machines.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS

Geocoding APIs compared

Top Geocoding APIs compared
API	API key	HTTPS	CORS	Uptime	Response	Rating
ipwhois	No	Yes	Yes	Up	226 ms	Not rated
administrative-divisons-db	No	Yes	Yes	Up	745 ms	Not rated
HackMyIP	No	Yes	Yes	Up	1047 ms	Not rated
ipapi.co	No	Yes	Yes	Up	780 ms	Not rated
LatLng	No	Yes	Yes	Up	431 ms	Not rated
Moradas	No	Yes	Yes	Up	519 ms	Not rated
Nominatim	No	Yes	Yes	Up	637 ms	Not rated
PostalCodeCheck	No	Yes	Yes	Up	515 ms	Not rated
Postali	No	Yes	Yes	Up	570 ms	Not rated
Postcodes.io	No	Yes	Yes	Up	626 ms	Not rated

More Geocoding APIs

Best Geocoding API FAQ

What is the best free Geocoding API in 2026?

Based on access, reliability and developer ratings, the top free Geocoding APIs right now are ipwhois API, administrative-divisons-db API and HackMyIP API. ipwhois API ranks first. Rankings update daily from health checks of all 111 Geocoding APIs in the directory.

What is the best Geocoding API without an API key?

ipwhois API, administrative-divisons-db API and HackMyIP API need no API key, so you can call them without signing up. 54 of the 111 ranked Geocoding APIs are keyless.

Which Geocoding API works from the browser?

ipwhois API, administrative-divisons-db API and HackMyIP API support CORS over HTTPS, so front-end JavaScript can call them directly without a proxy.

How are these APIs ranked?

Each API gets a score from: no API key (+), HTTPS (+), CORS support (+), 30-day uptime and response time from our daily health checks, and ratings from developers on this site. APIs that failed three checks in a row are left out until they recover.