emerging · 0.0 capabilitymarket actiondomain

Order Book

Score 20.8 / 100 18 providers +15 via APIs 26 APIs Search apis.io →
Variants seen in the corpus: Order BookOrderbookorder book

Providers using this tag (18)

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

Exemplar 1 Complete, well-documented, and agent-ready
0xArchiveMarket DataHistorical DataCryptoDeFi1 API72.7
Developing 7 Usable, with meaningful gaps to close
CryptoCompareCryptocurrencyMarket DataReference RatesNews2 APIs52.2Deutsche BörseFinancialMarket DataStocksDerivatives12 APIs52.1KuruCompanyDeFiDecentralized Exchange1 API48.9RaribleNFTNon-Fungible TokensMarketplaceAggregator1 API47.8PolymarketPrediction MarketsDeFiPolygon1 API46.0Orderly NetworkCompanyCryptoDeFiTrading2 APIs45.2Coin MetricsFinancialMarket DataCryptoBlockchain1 API42.9
Thin 5 Limited public surface area
HyperliquidDeFiPerpetualsDEXLayer 11 API37.9HKEXFinancialMarket DataStocksDerivatives4 APIs32.3ReservoirNFTBlockchainMarketplaceEthereum1 API31.9GTECompanyCrypto DefiDecentralized ExchangeTrading1 API31.4BMLL TechnologiesFinancialMarket DataStocks4 APIs30.5
Emerging 3 Early or largely undocumented
Ellipsis LabsCompanyDeFiSolanaBlockchain17.7big xytFinancialMarket DataTick DataTrading3 APIs17.3Mango MarketsCryptocurrencyDeFiDecentralized ExchangePerpetual Futures2 APIs16.3
Minimal 2 Almost no public developer surface
MayStreetFinancialMarket DataReal-TimeTrading2 APIs9.7ExegyFinancialMarket DataTradingReal-Time8.7

APIs with this tag (26)

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
GoldRush Hyperliquid WebSocket APIWebSocket channels for Hyperliquid markets including l2Book (wire-equal to the public feed), l2BookDiff (Go...62.2
Developing 8 Usable, with meaningful gaps to close
CryptoCompare Order Book APITop-of-book order book data across integrated exchanges.52.2CryptoCompare Streaming WebSocketSingle secure WebSocket endpoint multiplexing every subscription via tilde-delimited subscription strings (...52.2A7 Analytics Platform - Order Book APIConstructed historical order books for the T7 trading venues of Deutsche Börse Group (Eurex, Xetra) with na...52.1The San Francisco Compute Company Orderbook APIRead-only orderbook visibility: bid/ask spread, depth, open and filled orders, and historical fills, keyed ...51.4Polymarket CLOB APICentral-limit order book REST API for Polymarket - place, cancel, and query orders, list markets and tokens...46.0Polymarket WebSocketReal-time streaming feed for order book updates, trades, and market events on the Polymarket CLOB - used by...46.0OKX Market Data APIPublic REST and WebSocket endpoints delivering real-time and historical market data including order books, ...44.8B3 Market Data Feed (UMDF)B3's real-time market data distribution over the Unified Market Data Feed (UMDF) - event-based bid, ask, tr...42.0
Thin 11 Limited public surface area
Bitstamp WebSocket APIReal-time WebSocket API providing live market data streams including order book updates, live trades, ticke...38.7Hyperliquid WebSocket APIReal-time WebSocket feed delivering order-book deltas, trades, candles, BBO, user fills, user funding, user...37.9WazirX WebSocket APIEndpoints for WebSocket authentication token generation36.0Bithumb WebSocket APIReal-time WebSocket API for streaming market data including tickers, order books, and trade executions, as ...34.4HKEX Orion Market Data Platform - Securities Market (OMD-C)Real-time datafeeds (OMD-C SS, SP, SF tiers) for all securities traded on the Stock Exchange of Hong Kong, ...32.3BMLL Time-Series APIDaily time-series metrics and analytics derived from BMLL's harmonised Level 3 order book history, includin...30.51inch Orderbook APILimit-order placement, query, fill, and cancellation endpoints.29.91inch Orderbook APIThe Orderbook API from 1inch — 2 operation(s) for orderbook.29.9Euronext Optiq Market Data Gateway (MDG)Low-latency real-time market data feed for Euronext cash and derivatives markets delivered as UDP multicast...29.9Synthetix Info APIPublic REST API for accessing Synthetix market data including markets, prices, candles, funding rates, coll...29.91inch Orderbook APILimit Order Protocol orderbook — create, query, fill, and cancel signed limit orders across supported EVM c...28.2
Emerging 6 Early or largely undocumented
Simudyne Pulse Synthetic Market Data APIREST API and Python SDK for tick-level synthetic market data — L1 quotes, L2 order book depth, trades, and ...25.9Pendle Boros Core Smart ContractsOpen-source Solidity core for Boros — the order-book / margin venue that lets traders long or short yield r...24.3Pendle Real-Time Feeds (Socket.IO)Real-time data feeds delivered over Socket.IO from `https://api-v2.pendle.finance/pendle-v2`. Clients conne...24.3Filament APISignature-authenticated REST + WebSocket order-book API for the Filament perpetual DEX on Sei. Place limit/...24.2EPEX SPOT Continuous Intraday Market Data APIRead-only API subscription (Continuous API Read-only, EUR 3,360.00/month for internal usage) giving real-ti...17.0Mango v4 Orderbook FeedLow-latency WebSocket feed (service-mango-orderbook) that parses Mango V4 Perp and Openbook spot bookside a...16.3

Companies reaching this through an API (15)

These companies publish an API, specification or operation carrying “Order Book” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

1inch 1inch B3 (Brasil Bolsa Balcão) Bithumb Bitstamp Covalent EPEX SPOT Euronext Filament OKX Pendle Finance Simudyne Synthetix The San Francisco Compute Company WazirX

Score breakdown

Frequency
45.1
log-scaled weighted occurrences
Breadth
0.5
spread across providers
Quality lift
40.4
mean composite of providers using it
Cohesion
8.8
strength of nearest seed neighbor

Related tags

Perpetuals 8 co-occurrences Spot 5 co-occurrences Derivatives 9 co-occurrences Exchange 9 co-occurrences DEX 5 co-occurrences Trading 23 co-occurrences Market Data 22 co-occurrences Futures 5 co-occurrences

Where this tag comes from

Provider tag18
Api tag26
Openapi tag3
Openapi op tag7

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