Non Software APIs

Popular first highlights editorial picks, then ranks providers by monthly downloads of their official SDKs on npm and PyPI (measured 2026-10-18). Others follow A–Z.

Cityzenbooking

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Cocoon Barcelona

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COWBOY

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CrownCommercialServ

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Ctrip

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Cubilis Booking Engine

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Cubilis Portal Booker

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De Gilde der Brugse Gastenkamers

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De Standaard

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delaware

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Delta Air Lines

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Demand Curve

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Despegar.com

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Destinations of the World News

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devRant

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Dialock

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Discover Bruges

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dnata Travel

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dormakaba

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Dorms.com

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EASYSOLUTION

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eDreams ODIGEO

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El Camino Technologies

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Eleven Sports Network

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Erfgoed Logies

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FCR

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Feratel.com

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Ferratum Group

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Fewo

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FirstNet

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FlipKey

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Founders Space

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FTLB

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GALLIA

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Go Global Travel

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Goedverblijf.nl

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Goibibo

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GOV.UK

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GowithOh

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GraphQL Asia

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Green Apple Solutions

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GROWITgroup

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GTA Travel

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guesthouses.be

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Gymshark

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Habicus Group

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Heuvellandhotels

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Historic Hotels Ghent

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Counts reflect unique named profiles assigned to this category. Documentation and integration details vary by provider.