stale · -0.1 market

Used Cars

Score 14.5 / 100 27 providers 3 APIs Search apis.io →

Providers using this tag (27)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Developing 1 Usable, with meaningful gaps to close

TheCarApiAutomotiveVehicle DataCar Auctions1 API51.5

Thin 2 Limited public surface area

CARFAXVehicle HistoryVIN LookupAutomotive5 APIs29.2 CarvanaAutomotiveE-CommerceInventory2 APIs26.7

Emerging 8 Early or largely undocumented

AramisAutoCompanyConsumerAutomotiveE-Commerce1 API18.2 CarMaxAuto FinancingAuto RetailAppraisalsAutomotive4 APIs18.1 BacklotcarsCompanyAutomotiveWholesaleVehicle Auctions13.8 LemonaideCompanyAutomotiveInsurance13.4 Cars24CompanyAutomotiveMarketplace12.7 CarmaCompanyConsumerAutomotive12.3 BrumbrumCompanyConsumerAutomotiveE-Commerce12.0 SpinnyCompanyConsumerAutomotive11.4

Minimal 14 Almost no public developer surface

CarOnSaleCompanyAutomotiveMarketplace10.6 GuaziCompanyTechnologyAutomotive10.2 MotorwayCompanyMarketplaceAutomotive9.8 CarSwitchCompanyAutomotiveMarketplace9.7 CarWaleCompanyMarketplaceAutomotiveCars9.7 Auto1CompanyConsumerAutomotive7.4 UxinCompanyConsumerAutomotive6.7 Clutch CanadaCompanyAutomotiveE-Commerce5.8 KavakAutomotiveMarketplaceE-Commerce5.5 BaicaiCompanyAutomotiveMarketplace5.0 CarsomeCompanyAutomotiveE-CommerceMarketplace5.0 CazooCompanyE-CommerceAutomotive5.0 TREDCompanyAutomotiveMarketplace5.0 CarroCompanyConsumerAutomotive2.3

Unrated 2 Not yet scored

2ducheCompanyAutomotiveMarketplace Frontier Car groupCompanyMarketplaceAutomotive

APIs with this tag (3)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Developing 1 Usable, with meaningful gaps to close

TheCarApi REST APIREST/JSON API for multi-source vehicle auction inventory, search, facets, auction detail and price history,...51.5

Emerging 2 Early or largely undocumented

CarMax in ChatGPTOn 2026-02-27 CarMax became the first U.S. auto retailer with an app in the OpenAI ChatGPT App Store, putti...18.1 CarMax Vehicle Inventory APIThe CarMax Vehicle Inventory API exposes details about all used vehicles currently in CarMax's nationwide i...18.1

Score breakdown

Frequency

40.8

log-scaled weighted occurrences

Breadth

0.7

spread across providers

Quality lift

14.4

mean composite of providers using it

Cohesion

8.1

strength of nearest seed neighbor

Where this tag comes from

Provider tag27

Api tag3

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