Crypto Fundamentals API - Artemis Stablecoin and Protocol Data

Export crypto protocol fees and revenue, chain users and TVL, stablecoin supply and transfer volume, DeFi sector metrics and public equity financials into an Apify dataset with your own Artemis API key.

Works with the Artemis data API (data-svc.artemisxyz.com), the institutional crypto fundamentals source behind the Artemis Terminal and Artemis Sheets. Crypto and equities share one namespace, so a single run can put Bitcoin, Hyperliquid, USDC and Coinbase side by side. Download the rows as JSON, CSV or Excel, schedule them daily, or feed them to dashboards, investment models and AI agents. Bring your own API key.

What it does

• Metric time series: daily, weekly, monthly, quarterly or yearly values of any Artemis metric for up to 500 symbols: price, market cap, FDV, fees, revenue, daily active users, transactions, TVL, stablecoin supply, perp volume, open interest, lending deposits and more.
• Snapshots and leaderboards: the end date value of each metric for every symbol plus its percent change since the start date, in one call (the API's summarize view).
• Stablecoin data: supply (total, circulating, bridged, premint, peg stability), transfer volume, active addresses and transactions for 119 stablecoins, split by chain when you want.
• Sector presets: ready-made metric sets for chains, stablecoins, lending, spot DEX, perpetuals, prediction markets (Kalshi, Polymarket and others), equity financials and equity valuation multiples.
• Dimension cuts: split a series by chain, protocol version, category, token, ETF and other documented dimensions.
• Chain capital flows: inflows, outflows or netflows for Ethereum, Solana, Arbitrum, Base and 22 more chains.
• Insight cards: the API's all-time-high, all-time-low, growth streak, decline streak and acceleration feeds, filtered by domain, cadence, entity and metric.
• Discovery: every supported asset with sectors and links, and every metric a symbol supports with unit, aggregation type and available cuts.
• Pay only for results: empty lookups, unavailable metrics and refusals are recorded as a free row that says why, never charged.

How to get an API key

Sign in at artemis.ai, click your user profile in the top right and open Settings; the API key is listed there. API access comes with the Managing Director plan and with the Artemis Sheets plugin. Paste the key into the API key field or set the DATA_API_KEY environment secret. This actor never ships a shared key.

Input

Field	Used by	What it does
mode	all	timeseries, snapshot, flows, insights, assets or supportedMetrics
symbols	time series, snapshot, metrics for a symbol	Artemis symbols such as btc, eth, usdc, hype, eq-coin
metricPreset	time series, snapshot	Market, chain activity, chain base layer, stablecoins, stablecoin supply, lending, spot DEX, perps, prediction markets, equity financials, equity valuation, or custom
metrics	time series, snapshot, insights	Extra metric names (up to 25 in total); in insights mode, a metric filter
startDate, endDate, lookbackDays	time series, snapshot, flows	Date range (default the last 30 days)
granularity	time series, flows	DAY, WEEK, MONTH, QUARTER or YEAR
dimensionType	time series, snapshot	Split by CHAIN, VERSION, CATEGORY, TOKEN and more
includeNulls	time series	Keep still-open periods with a null value
sourceChains, flowType, flowLimit	flows	Chains, netflow, inflow or outflow, optional limit
insightType, insightDomain, insightCadence, entityIds	insights	Feed, domain, cadence and entity filters
sector, assetType, search	assets	Sector tag, asset type and text filters
maxResults	all	Row ceiling for the run (default 100)
requestsPerMinute	all	Pacing (default 60)
apiKey	all	Your Artemis API key, stored as a secret

An endpoint only receives the parameters its documentation lists; an input that belongs to another mode is left off with a warning.

Example input, a stablecoin leaderboard:

{
    "mode": "snapshot",
    "symbols": ["usdt", "usdc", "usds", "dai", "usde", "pyusd"],
    "metricPreset": "stablecoins",
    "lookbackDays": 30,
    "maxResults": 100
}

Example output

A time series row:

{
    "mode": "timeseries",
    "modeLabel": "Metric time series",
    "recordType": "metricPoint",
    "identifier": "kalshi OPEN_INTEREST",
    "found": true,
    "id": "kalshi|OPEN_INTEREST|2026-08-01",
    "symbol": "kalshi",
    "name": "Kalshi",
    "metric": "OPEN_INTEREST",
    "metricLabel": "Open Interest",
    "value": 700293307.0,
    "date": "2026-08-01",
    "timestamp": 1785542400000,
    "granularity": "DAY",
    "dimensionType": null,
    "retrievedAt": "2026-10-12T09:00:00.000Z",
    "note": null
}

A snapshot row carries value (the end date value), pctChange, startDate and endDate. A flow row carries symbol (the chain), flowType and value. An insight card keeps every provider field (ENTITY_ID, METRIC_NAME, NEW_VALUE, PREVIOUS_ATH_VALUE, PERCENT_ABOVE_PREVIOUS, DURATION, SPARKLINE and so on). An asset row carries symbol, artemisId, coingeckoId, assetTypes, sectors, description and links. A metric definition carries metric, name (label), unit, aggregationType, source, dimensionTypes and methodology.

A metric the API cannot serve for a symbol arrives as a free row with found: false and the API's own words, such as "Metric not available for asset."

FAQ

What is Artemis?

Artemis (Artemis Analytics) is a crypto and fintech data platform that models fundamental metrics for 12,000+ tokens, 112 chains, 119 stablecoins, DeFi protocols, prediction markets and public equities. Its data is used by investment firms, consultancies and stablecoin issuers, and powers the S&P Pantera Digital Asset Index fundamentals.

Do I need my own API key?

Yes. The actor reads the Artemis API with your own key. A run without a key ends straight away with a message that says where to find one, and nothing is charged.

How do I find the right symbol and metric name?

Run the supported assets mode (filter by sector, such as stablecoin, lending or perpetuals) to get each symbol, then the metrics for a symbol mode to list its metric names, units, aggregation types and available cuts. Symbols often differ from tickers: Hyperliquid is hype, Uniswap is uni, Maker is sky, and equities use the eq- prefix.

How do I build a sector leaderboard?

Use the snapshot mode with every protocol in the sector as symbols and a preset such as lending or perps. Each row is the end date value with its percent change over the range. Snapshot values are the end date value, not a period total; use time series with a monthly granularity for totals.

How do I get stablecoin supply by chain?

Use the time series mode with usdc (or any stablecoin), the stablecoins preset or STABLECOIN_SUPPLY, and split by Chain. Each row's symbol reads <chain>-<stablecoin>, such as ethereum-usdc.

Can I pull equity fundamentals and crypto in one run?

Yes. Add eq- symbols (eq-coin, eq-nvda, eq-meta) with the equity financials or equity valuation preset, or any company KPI the metrics for a symbol mode lists. Fundamentals are dated by fiscal period end.

Why are some values missing for today?

The current period is returned with a null value until it closes. Those points are left out unless you turn on includeNulls.

What do I pay?

Pay per result: 0.005 USD per metric value, snapshot value or chain flow figure, 0.01 USD per insight card, and 0.005 USD per asset or metric definition. Empty lookups and refusals are never charged. Your Artemis subscription is billed separately by Artemis.

What happens if my key is wrong?

A rejected key (HTTP 401) or a plan without API access ends the run cleanly with a status message that explains what to change. Rate limits (HTTP 429) and server errors are waited out and retried.

Pricing

Event	Price
Metric value, snapshot value or chain flow figure	0.005 USD
Insight card	0.01 USD
Asset or metric definition	0.005 USD

Keyword map

crypto fundamentals API, crypto data API, stablecoin data API, stablecoin supply API, protocol revenue API, crypto fees and revenue, DeFi TVL API, chain daily active users, perpetuals open interest, DEX volume API, lending protocol data, prediction market data, Kalshi and Polymarket volume, crypto equities comps, Coinbase financials, chain capital flows, crypto all-time high alerts, Artemis API, Artemis Analytics.

Terms and data use

Use of Artemis data is governed by your agreement with Artemis. The public Terms of Service grant a personal, non-commercial, non-transferable licence and forbid redistributing, reselling or sublicensing data, and redistributing third-party provider data (such as S&P Global Market Intelligence financials) to anyone; API access is sold on the Managing Director plan and the Sheets plugin, and commercial use needs an enterprise licence from Artemis (team@artemis.xyz). Keep the datasets for your own use under the terms of your plan. This actor is not affiliated with or endorsed by Artemis.

BYOK, not live-tested: the routes and response shapes come from the Artemis documentation and from probes of the live service with an invalid key; no paid key was used to build this actor.