Skip to contentAPILayer: production APIs with free plansExplore APILayer
OpenGeocoding logo

OpenGeocoding API alternatives

Forward and reverse geocoding and address autocomplete on open data. If it doesn't fit your project, here are the 10 best free Geocoding APIs to use instead in 2026, out of 117 in the directory.

For reference, OpenGeocoding API: 100% uptime (30 days) · Callable from the browser (CORS) · HTTPS.

  1. 1SLF logo

    SLF API

    Online · 285 ms

    German city, country, river, database.

    • No API key needed
    • 100% uptime (30 days)
    • Fast: 285 ms response
    • Callable from the browser (CORS)
    No authHTTPSCORS
  2. 217NAS logo

    17NAS API

    Online · 1147 ms

    Free IP geolocation API with IPv4/IPv6 detection, ASN and country info, no auth required.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  3. 3administrative-divisons-db logo

    Get all administrative divisions of a country.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  4. 4ipapi.co logo

    ipapi.co API

    Online · 951 ms

    Find IP address location information.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  5. 5IPKit logo

    IPKit API

    Online · 752 ms

    IP lookup with location, ASN/ISP and VPN/proxy/Tor signals.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  6. 6Moradas logo

    Moradas API

    Online · 1060 ms

    Portuguese address autocomplete and 7-digit postal codes (CP7).

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  7. 7PostalCodeCheck logo

    PostalCodeCheck API

    Online · 1038 ms

    City, region and coordinates for 887,000+ postal codes across 95 countries.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  8. 8Postali logo

    Postali API

    Online · 1147 ms

    Mexico Zip Codes API. A free geocoding API by Postali.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  9. 9Postcodes.io logo

    Postcodes.io API

    Online · 982 ms

    Postcode lookup & Geolocation for the UK.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  10. 10REST Countries logo

    REST Countries API

    Online · 1157 ms

    Get information about countries via a RESTful API.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS

OpenGeocoding API vs alternatives

OpenGeocoding API compared with its alternatives
APIAPI keyHTTPSCORSUptimeResponseRating
OpenGeocoding logoOpenGeocodingRequiredYesYes100%1370 msNot rated
SLF logoSLFNoYesYes100%285 msNot rated
17NAS logo17NASNoYesYes100%1147 msNot rated
administrative-divisons-db logoadministrative-divisons-dbNoYesYes100%452 msNot rated
ipapi.co logoipapi.coNoYesYes100%951 msNot rated
IPKit logoIPKitNoYesYes100%752 msNot rated
Moradas logoMoradasNoYesYes100%1060 msNot rated
PostalCodeCheck logoPostalCodeCheckNoYesYes100%1038 msNot rated
Postali logoPostaliNoYesYes100%1147 msNot rated

See also: best Geocoding APIs · all Geocoding APIs

OpenGeocoding API alternatives FAQ

What is the best free alternative to the OpenGeocoding API in 2026?

The top-ranked free alternatives to the OpenGeocoding API are SLF API, 17NAS API and administrative-divisons-db API, all in the Geocoding category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

Is there a OpenGeocoding API alternative that doesn't need an API key?

Yes: SLF API, 17NAS API and administrative-divisons-db API work without an API key, unlike the OpenGeocoding API, which uses apiKey authentication.

How many Geocoding APIs are similar to the OpenGeocoding API?

The directory lists 109 other free Geocoding APIs. This page compares the top ones side by side.