Free Utility APIs - No Auth Required

Browse our collection of free Utility APIs. Each API includes detailed documentation, example requests, and usage guides. Click on any API to learn more.

UUIDTools

Generate UUIDs (GUIDs) in various versions. Free API with no authentication required.

Utility No Auth Works in: global

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UUID Generator

Generate UUIDs

Utility No Auth Works in: global

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OpenStreetMap Nominatim

Geocoding and map search

Utility No Auth Works in: global

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Overpass API

OpenStreetMap query language

Utility No Auth Works in: global

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QR Code API

Create and read QR codes with customizable size

Utility No Auth Works in: global

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is.gd

URL shortener service

Utility No Auth Works in: global

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Geocode.xyz

Forward and reverse geocoding

Utility No Auth Works in: global

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GeoJS

Geolocation by IP address

Utility No Auth Works in: global

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UK Bank Holidays

Official UK bank holiday dates

Utility No Auth Works in: UK

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Google Favicons

Fetch website favicons via Google

Utility No Auth Works in: global

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Wayback Machine

Internet Archive availability API

Utility No Auth Works in: global

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ReSmush

Image compression and optimization API

Utility No Auth Works in: global

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