niche · 1.0

Auctions

Score 17.8 / 100 37 providers 17 APIs Search apis.io →

Providers using this tag (37)

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

Strong 1 Solid coverage with minor gaps

Deutsche BörseDeutsche Börse AG is the Frankfurt-based, publicly listed (FWB DB1) exchange organization behind the Frankf...13 APIs55.5

Developing 3 Usable, with meaningful gaps to close

MISOMISO — the Midcontinent Independent System Operator — is the not-for-profit Regional Transmission Organizat...38 APIs53.6 Blizzard EntertainmentBlizzard Entertainment is an American video game developer and publisher and a subsidiary of Activision Bli...18 APIs47.8 Nord PoolNord Pool, part of the Euronext group, operates Europe's leading power exchange, running day-ahead auctions...10 APIs46.6

Thin 9 Limited public surface area

ArtsyArtsy (art.sy) is the online marketplace and platform for discovering, buying, and selling fine art, connec...25 APIs38.8 eBayeBay is a multinational e-commerce corporation that operates a website facilitating consumer-to-consumer an...64 APIs38.3 SAP AribaSAP Ariba is a cloud-based procurement and supply chain collaboration platform that connects buyers and sup...78 APIs36.7 SuperRareSuperRare is a premier digital art marketplace and auction house built on Ethereum for discovering, collect...10 APIs36.4 CREXiCREXi (Commercial Real Estate Exchange, Inc.) is a Los Angeles-based commercial real estate marketplace and...3 APIs33.3 FCC (Federal Communications Commission)The Federal Communications Commission provides free public REST APIs for radio station license lookup, broa...19 APIs32.6 Ariba SourcingSAP Ariba Sourcing provides cloud-based strategic sourcing capabilities for procurement organizations. It e...3 APIs31.7 Department of the TreasuryThe U.S. Department of the Treasury manages federal finances, public debt, Treasury securities, U.S. curren...11 APIs30.7 FoundationFoundation is a creator-focused NFT marketplace built on Ethereum that enables digital artists to mint, sho...2 APIs29.6

Emerging 17 Early or largely undocumented

AribaSAP Ariba provides cloud-based procurement and supply chain collaboration solutions. These APIs enable inte...80 APIs25.2 Whisky HunterWhisky Hunter is a market research and data platform for whisky collectors, investors, traders, and enthusi...2 APIs24.6 Connells GroupConnells Limited, trading as Connells Group, is the United Kingdom's largest estate agency and property ser...1 API24.1 DripshopDrip Shop Live (legal entity Flourish Cares, Inc. DBA Drip Shop Live) is a livestream shopping marketplace ...1 API22.7 OffrOffr (Offr.io Ltd) is a Dublin-based property technology (proptech) platform that digitizes end-to-end real...17.7 CoStar GroupCoStar Group is the dominant commercial and residential real estate data, analytics, and marketplace compan...14 APIs17.5 Term FinanceTerm Finance is a noncustodial, fixed-rate lending and borrowing protocol for crypto assets, modeled on the...17.0 Everything But The HouseEverything But The House (EBTH) is a Blue Ash, Ohio online estate sale and consignment auction marketplace ...16.2 EPEX SPOTEPEX SPOT SE, the European Power Exchange, operates the organised short-term electricity markets across thi...4 APIs15.6 InvaluableInvaluable is the world's leading online marketplace for fine art, antiques and collectibles, founded in 19...15.3 LiveAuctioneersLiveAuctioneers is the world's largest online marketplace for fine art, antiques, jewelry, collectibles, an...15.1 hobbyDBhobbyDB is a database and marketplace for collectibles — a platform that lets anyone catalog, offer, buy, a...14.9 ACVACV Auctions (NASDAQ: ACVA) operates the nation's largest online wholesale marketplace and daily auto aucti...14.4 ListiaListia is a peer-to-peer marketplace where members give away and acquire secondhand goods using an internal...14.3 Ray WhiteRay White is Australasia's largest real estate group, a family-owned brokerage network founded in 1902 and ...13.9 IronPlanetIronPlanet is an online marketplace for buying and selling used heavy construction equipment and trucks acr...13.0 ACV AuctionsACV Auctions is a digital wholesale marketplace for the automotive industry, operating the leading online p...12.3

Minimal 7 Almost no public developer surface

CarOnSaleCarOnSale is an AI-supported B2B marketplace for used-car trading across Europe, operated by Castle Tech Gm...10.6 GuaziGuazi is a China-based used-car export, auction, and trading platform founded in 2015 and headquartered in ...10.2 JoopiterJoopiter (stylized JOOPITER) is a digital-first auction house and marketplace founded by Pharrell Williams ...10.2 AltAlt (alt.xyz) is an alternative-asset platform for high-value graded trading cards, founded by Leore Avidar...8.1 UxinUxin (优信) is a Chinese used-car e-commerce company backed by DCM Ventures. It operates the xin.com consumer...6.7 KAR Auction Services (Historical)KAR Auction Services was a leading provider of vehicle auction, vehicle remarketing, and salvage auction se...5.5 Livsho Holdings LimitedLivsho Holdings Limited operates LIVSHO, described as the GCC's first live auction marketplace for collecti...5.0

APIs with this tag (17)

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 →

Strong 1 Solid coverage with minor gaps

A7 Analytics Platform - Auction Simulation APISimulate Xetra auctions against historical order book data on the A7 Analytics Platform.55.5

Developing 3 Usable, with meaningful gaps to close

MISO FTR MPMA Market User APIThe Financial Transmission Rights / Multi-Period Multi-Auction market user API — four SOAP services coverin...53.6 Blizzard Entertainment Auctions APIRetrieve live auction-house listings per connected realm.47.8 Nord Pool Auction APIJSON REST API for day-ahead auction trading - integrated order submission and trade capture across the Nord...46.6

Thin 8 Limited public surface area

SAP Ariba Event Management APIManages sourcing events and their lifecycle including RFx and auction events.36.7 SuperRare Rare Protocol CLICommand-line interface and SDK for deploying ERC-721 NFT collections, minting tokens, managing reserve-pric...36.4 SuperRare Smart Contracts - The BazaarUnified marketplace and auction house smart contract on Ethereum that enables reserve-price auctions, sale ...36.4 FCC Spectrum Dashboard APIReturns a high-level overview of spectrum ownership across the United States within the 225 MHz to 3700 MHz...32.6 Department of the Treasury Auctions APITreasury securities auctions data30.7 TreasuryDirect Securities APIPublic reference data on marketable Treasury securities (auctions, results, security details) published via...30.7 Foundation Smart Contract APIEthereum smart contract interface for direct on-chain interaction with Foundation marketplace contracts. Su...29.6 Foundation Subgraph APIGraphQL API powered by The Graph protocol that indexes all Foundation NFT marketplace activity on Ethereum ...29.6

Emerging 5 Early or largely undocumented

Ariba Sourcing APIManage sourcing projects, events, bids, and supplier responses for strategic sourcing activities.25.2 Whisky Hunter Auctions APIThe Auctions API from Whisky Hunter — 1 operation(s) for auctions.24.6 Ten-XOnline commercial real estate transaction and auction platform for buyers and sellers of CRE assets.17.5 EPEX SPOT Day-Ahead and Intraday Auction Market Data APIRead-only API subscription (Day-Ahead and pan-EU Intraday API Read-only, EUR 1,040.00/month for internal us...15.6 EPEX SPOT MATS Auction Trading APIMember trading API for the Multiple Auction Trading System (MATS), the platform that replaced the legacy ET...15.6

Score breakdown

Frequency

46.3

log-scaled weighted occurrences

Breadth

1.0

spread across providers

Quality lift

27.8

mean composite of providers using it

Cohesion

2.7

strength of nearest seed neighbor

Where this tag comes from

Provider tag28

Api tag17

Openapi tag4

Openapi op tag7

Auctions

Providers using this tag (37)

APIs with this tag (17)

Score breakdown

Related tags

Where this tag comes from