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 →

Exemplar 2 Complete, well-documented, and agent-ready

Crypto.com Pay APIMerchant payments API for accepting cryptocurrency payments, issuing refunds, running subscriptions and rec...72.6 Uphold Public API (v0)The long-standing public Uphold API at api.uphold.com/v0 — tickers and exchange rates, supported currencies...69.1

Strong 9 Solid coverage with minor gaps

SiftingIO Live StreamWebSocket streaming API for live market data, described by an AsyncAPI 3.0 contract. Also offers a document...66.1 SiftingIO MCP ServerLOCALLY-RUN MCP server, not a hosted endpoint. The client launches it (`npx -y siftingio-mcp`, or the Pytho...66.1 Barchart Cryptocurrency APISpot crypto quotes and history.61.6 Blockchain.com Exchange Rates APITicker and currency-conversion API returning bitcoin exchange rates across major fiat currencies, aggregate...59.7 Blockchain.com Exchange WebSocket APIReal-time WebSocket gateway for the Blockchain.com Exchange. Anonymous channels stream heartbeat, L2/L3 ord...59.7 Blockchain.com OAuth Resources APIOAuth 2.0 resource gateway that lets a third-party app read a consenting user's Blockchain.com custodial wa...59.7 Binance.US REST APIThe Binance.US REST API is the primary programmatic interface to the exchange. It exposes general system an...55.1 Binance.US WebSocket APIThe Binance.US WebSocket API is a request/response API delivered over a persistent WebSocket connection at ...55.1 Binance.US WebSocket StreamsBinance.US WebSocket Streams deliver real-time market data and account events over persistent WebSocket con...55.1

Developing 25 Usable, with meaningful gaps to close

CryptoCompare Streaming WebSocketSingle secure WebSocket endpoint multiplexing every subscription via tilde-delimited subscription strings (...53.8 MCP360 Cryptocurrency APIThe cryptocurrency API from MCP360 — 2 operation(s) for cryptocurrency.51.9 Codex GraphQL APICodex is Defined's unified GraphQL API for real-time blockchain data: token prices, OHLCV bars, trades, liq...51.1 TokenBot APIREST + GraphQL API for TokenBot copy-trading — manage exchange accounts, strategies, copiers, trades, notif...47.1 Tiingo Crypto APICrypto top-of-book and trade data aggregated from major exchanges over REST and WebSocket.46.8 MEXC Broker APIThe MEXC Broker API enables institutional partners to manage sub-accounts and provide trading services to t...46.7 MEXC Futures WebSocket APIThe MEXC Futures WebSocket API streams real-time derivatives market data and account events over persistent...46.7 MEXC Spot WebSocket StreamsThe MEXC Spot WebSocket Streams deliver real-time market data and user account updates via persistent WebSo...46.7 Gemini Exchange APIREST and WebSocket APIs for the Gemini cryptocurrency exchange, providing market data, order management, ac...46.0 BTC War Live Market Data APIRead-only REST/HTTP JSON and JSON-LD API for live Binance Spot market snapshots and single-market observati...45.8 Coinbase Data APIThe Coinbase Data API provides developers with access to cryptocurrency market data, blockchain analytics, ...45.6 Coinbase Wallet SDKThe Coinbase Wallet SDK allows developers to integrate Coinbase Wallet connectivity into decentralized appl...45.6 LBank WebSocket Account and Order APIAuthenticated WebSocket API for receiving real-time account balance and order status updates from LBank. Cl...44.4 LBank WebSocket Market Data APIReal-time WebSocket API for streaming live market data from LBank. Clients can subscribe to K-line (candles...44.4 TradeStation Streaming APIThe TradeStation Streaming API provides real-time HTTP streaming endpoints using chunked transfer encoding ...43.8 Binance Spot WebSocket APIThe Binance Spot WebSocket API provides an alternative way to access spot trading functionality through per...43.2 Binance Spot WebSocket StreamsBinance Spot WebSocket Streams deliver real-time market data updates via persistent WebSocket connections. ...43.2 Sequence Markets Trading APIBearer-auth REST API and multiplexed WebSocket streaming surface for the Sequence Markets trading OS — cred...42.6 Pintu Pro Partner APIPintu Pro's institutional/partner trading API. A unified message format is used over both an HTTP endpoint ...42.5 BitPay Payouts APISubmit cryptocurrency withdrawal payments to active BitPay recipients.41.6 BitPay Rates APIRetrieve exchange rate data representing fiat currency equivalents per cryptocurrency unit.41.6 Xignite Crypto APICryptocurrency market data including quotes, chart bars, and historical prices for digital assets from the ...40.4 Cryptomus Exchange and Market Data APIREST and WebSocket API for accessing real-time cryptocurrency exchange rates, order books, tickers, trade h...39.4 Cryptomus Payout APIREST API for creating cryptocurrency payouts, processing mass withdrawals, and transferring funds between p...39.4 Cryptomus Recurring Payments APICreate and manage recurring payment subscriptions39.4

Thin 19 Limited public surface area

Polygon.io Crypto APIAggregates, trades, snapshots, level-2 books, and L2 streaming for crypto pairs across major exchanges.37.4 MobileCoin Full-Service Wallet APIJSON-RPC 2.0 wallet backend for the MobileCoin network - manage accounts and addresses, build and submit tr...36.7 Blockchain.com Pay Partner APIPartner API for embedding Blockchain.com crypto purchases. Covers authentication, eligibility (supported cu...36.4 Blockchain.com WebSocket APIsReal-time WebSocket APIs covering two distinct surfaces — the Bitcoin / blockchain.info explorer socket (un...36.4 1Forge Forex StreamWebSocket stream that delivers real-time bid/ask updates for subscribed forex and cryptocurrency pairs. Str...35.6 NOWPayments Custody APIFund custody management API enabling limitless off-chain operations, sub-account creation, and controlled f...35.5 NOWPayments Mass Payouts APIBulk cryptocurrency payout API enabling merchants to initiate thousands of transactions to different addres...35.5 NOWPayments Recurring Payments APISubscription-based recurring crypto billing API that automates payment flows for SaaS and membership platfo...35.5 brapi Cryptocurrency APIAccess cryptocurrency prices denominated in Brazilian Reals (BRL), supporting investment analysis and portf...31.3 GRVT Market Data APIPublic market-data API for GRVT — instruments, currencies, supported assets, margin rules, mini/full ticker...31.3 FalconX APIFalconX REST trading API for institutional digital-asset execution: price quotes, order placement and execu...30.0 Band Standard DatasetThe Band Standard Dataset is an open standard for creating and accessing custom price feeds that deliver hi...29.6 LunarCrush API v4REST API for LunarCrush social and market intelligence. Endpoints cover trending topics, categories, creato...29.2 BitMart Account and Wallet APIThe BitMart Account and Wallet API provides programmatic access to funding account management, including wa...28.0 BitMart Futures Trading APIThe BitMart Futures Trading REST API enables trading of perpetual futures contracts on the BitMart derivati...28.0 BitMart Futures WebSocket APIThe BitMart Futures WebSocket API streams real-time derivatives market data and account updates through per...28.0 BitMart Margin Trading APIThe BitMart Margin Trading API provides access to isolated margin trading functionality. Developers can sub...28.0 BitMart Spot Trading APIThe BitMart Spot Trading REST API provides programmatic access to spot trading on the BitMart global crypto...28.0 BitMart Spot WebSocket APIThe BitMart Spot WebSocket API delivers real-time streaming market data and private account updates via per...28.0

Emerging 29 Early or largely undocumented

CoinAPI EMS Trading APICoinAPI's Execution Management System (EMS) is a unified, multi-exchange crypto trading API that lets insti...24.7 CoinAPI Indexes APIThe Indexes API aggregates data from many exchanges to compute reference rates and benchmark indexes that s...24.7 CoinAPI Market Data APINormalized cryptocurrency market data covering more than 350 exchanges and 28,000+ assets. Provides trades,...24.7 Bitget Broker APIREST API for non-disclosed brokers to build independent trading platforms on top of Bitget infrastructure, ...22.0 Bitget Earn APIREST API for Bitget Earn products including staking, savings, and other yield-generating products available...22.0 Bitget Futures Trading APIREST API for USDT-M, USDC-M, and Coin-M perpetual futures contracts including market data, position managem...22.0 Bitget Margin Trading APIREST API for cross and isolated margin trading on Bitget, enabling leveraged spot trading with account mana...22.0 Bitget Spot Trading APIREST API for spot trading on Bitget including market data, order management, account queries, wallet operat...22.0 Cantor Equity Partners (SPAC Platform)Cantor Equity Partners is Cantor Fitzgerald's blank-check / SPAC vehicle franchise (Cantor Equity Partners ...21.6 Coinbase ProCryptocurrency Trading Platform21.1 dYdXDecentralized cryptocurrency exchange20.0 BitmexReal-Time Cryptocurrency derivatives trading platform based in Hong Kong19.6 Bloomberg Galaxy Crypto IndexAccess cryptocurrency index data from the Bloomberg Galaxy Crypto Index family, tracking the performance of...19.6 BybitCryptocurrency data feed and algorithmic trading19.1 CoinDCXCryptocurrency Trading Platform19.1 CoinDCX Streaming Socket.IO APIReal-time Socket.IO streaming at stream.coindcx.com for public spot and futures market data (orderbook dept...19.1 Dash Insight REST APIOpen-source REST and WebSocket API for querying the Dash Core (layer 1) blockchain. Provides endpoints for ...19.1 Dash Platform DAPI (Decentralized API)Decentralized HTTP API exposing gRPC and JSON-RPC endpoints for both Dash Core layer 1 and Dash Platform la...19.1 HuobiSeychelles based cryptocurrency exchange19.1 OKExCryptocurrency exchange based in Seychelles19.1 PoloniexUS based digital asset exchange19.1 BitfinexCryptocurrency Trading Platform18.8 KuCoinCryptocurrency Trading Platform18.8 GateioAPI provides spot, margin and futures trading operations17.8 The Giving Block Public APIRESTful JSON API for accepting crypto, stock, and card donations on behalf of nonprofits in The Giving Bloc...17.4 CoinigyInteracting with Coinigy Accounts and Exchange Directly17.1 Figure Markets Exchange APIAccess-controlled trading API for the Figure Markets exchange (EP3 matching engine on Provenance Blockchain...15.5 The Block News APIRequest-only REST API for searching and retrieving current and historical crypto news coverage from The Blo...14.3 Antpool APIPublic HTTP API for Antpool, Bitmain's Bitcoin mining pool. Account operators can read account balance, acc...14.0

Minimal 40 Almost no public developer surface

Bitculator Data APIREST API for cryptocurrency market data. JSON responses with Laravel-style pagination, HTTP Bearer auth, qu...8.1 icy.toolsGraphQL based NFT API7.3 Brave NewCoinReal-time and historic crypto data from more than 200+ exchanges6.2 CoinDeskCoinDesk's Bitcoin Price Index (BPI) in multiple currencies6.2 CoinStatsCrypto Tracker6.2 EXMOCryptocurrencies exchange based in UK6.2 PumpFunDataHistorical Pump.fun and PumpSwap AMM swap data as hourly Parquet files6.2 Solana JSON RPCProvides various endpoints to interact with the Solana Blockchain6.2 WorldCoinIndexCryptocurrencies Prices6.2 Alpha (Mossland)Korean crypto channel stance + RAG Q&A + canonical entity/topic/event store5.7 BitcambioGet the list of all traded assets in the exchange5.7 BitcoinAverageDigital Asset Price Data for the blockchain industry5.7 BitcoinChartsFinancial and Technical Data related to the Bitcoin Network5.7 BittrexNext Generation Crypto Trading Platform5.7 blockfrost CardanoInteraction with the Cardano mainnet and several testnets5.7 BtcTurkReal-time cryptocurrency data, graphs and API that allows buy&sell5.7 CoinCapReal time Cryptocurrency prices through a RESTful API5.7 CoinlayerReal-time Crypto Currency Exchange Rates5.7 CoinlibCrypto Currency Prices5.7 CoinloreCryptocurrencies prices, volume and more5.7 CoinRankingLive Cryptocurrency data5.7 CoinremitterCryptocurrencies Payment & Prices5.7 CryptAPICryptocurrency Payment Processor5.7 CryptingUpCryptocurrency data5.7 CryptoMarketCryptocurrencies Trading platform5.7 CryptonatorCryptocurrencies Exchange Rates5.7 FTXComplete REST, websocket, and FTX APIs to suit your algorithmic trading needs5.7 Hirak Exchange RatesExchange rates between 162 currency & 300 crypto currency update each 5 min, accurate, no limits5.7 INFURA EthereumInteraction with the Ethereum mainnet and several testnets5.7 LocalbitcoinsP2P platform to buy and sell Bitcoins5.7 MempoolBitcoin API Service focusing on the transaction fee5.7 MercadoBitcoinBrazilian Cryptocurrency Information5.7 NexchangeAutomated cryptocurrency exchange service5.7 NomicsHistorical and realtime cryptocurrency prices and market data5.7 NovaDaxNovaDAX API to access all market data, trading management endpoints5.7 Technical AnalysisCryptocurrency prices and technical analysis5.7 VALRCryptocurrency Exchange based in South Africa5.7 ZMOKEthereum JSON RPC API and Web3 provider5.7 IndodaxTrade your Bitcoin and other assets with rupiah5.5 EthplorerEthereum tokens, balances, addresses, history of transactions, contracts, and custom structures5.0

Score breakdown

Frequency

74.4

log-scaled weighted occurrences

Breadth

10.8

spread across providers

Quality lift

31.9

mean composite of providers using it

Cohesion

26.0

strength of nearest seed neighbor

Where this tag comes from

Provider tag389

Api tag124

Openapi tag2

Openapi op tag6

Cohort brief

Auto-generated

The 395 providers in the APIs.io catalog tagged Cryptocurrency, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

395

all scored

Mean Kin Score

26.3

+5.6 vs catalog 20.7

Mean Agent Readiness

14.2

+4.5 vs catalog 9.7

Spread

0–72.6

median 24.8 · σ 18.3

How the 395 split by band

Exemplar 6Strong 25Developing 80Thin 84Emerging 79Minimal 121

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	29.6	17.9	+11.7	395
Contract Quality	24.7	17.5	+7.2	395
Discoverability	66.9	60.4	+6.5	395
Operational Transparency	16.1	11.3	+4.8	395
Contract Governance	8.4	6.4	+2	395
Access Clarity	22.2	22.3	-0.1	395

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	30%	16%	+14
MCP server (first-party)	10%	7%	+3
Agent Skills	0%	0%	0
OAuth scopes	5%	9%	-4
Security	93%	88%	+5
Arazzo workflows	3%	2%	+1
Governance rules	16%	13%	+3

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Crypto.com 72.6
2 Kraken 70.6
3 Uphold 69.1
4 Bullish 67.3
5 Solidus Labs 66.8
6 Zerion 66.6
7 SiftingIO 66.1
8 Solana 65.8
9 Ripio 65.5
10 EODHD 64.9

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this

find_tagsBrowse and filter every tag in the catalog.
get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This tag

curl "https://apis.io/api/v1/tags/cryptocurrency"

All tags

curl "https://apis.io/api/v1/tags?limit=25"

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/cryptocurrency"

The distribution (Pro)

curl "https://apis.io/api/v1/cohorts/tag/cryptocurrency/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

Cryptocurrency

Providers using this tag (395)

APIs with this tag (124)