GET /market/arbitrage
Scans buy-side and sell-side providers for cross-market arbitrage opportunities and ranks results by estimated net profit after fees. Tiers: QuantMinimum gross spread percentage to include. Results below this threshold are excluded.
Buy-side provider keys. Repeat the parameter to pass more than one. Valid values:
avanmarket, buff163, buffmarket, c5, csdeals, csfloat, csgo500, csgoempire, csmoney_m, csmoney_t, cstrade, dmarket, dupefi, ecosteam, gameboost, haloskins, itradegg, lisskins, lootfarm, mannco, marketcsgo, pirateswap, rapidskins, shadowpay, skinbaron, skinflow, skinland, skinout, skinplace, skinport, skinscom, skinsmonkey, skinswap, skinswap_t, skinvault, steam, swapgg, tradeit, waxpeer, whitemarket, youpin.Sell-side provider keys. Repeat the parameter to pass more than one. Only providers that support buy orders are valid here:
buff163, buffmarket, c5, csfloat, dmarket, dupefi, ecosteam, marketcsgo, steam, waxpeer, whitemarket, youpin.Number of results per page.
Zero-based pagination offset.
Response example
Catalog item ID.
Full item name as it appears in the Steam catalog.
Doppler/Gamma phase, or
null for non-phase items.Provider key where you purchase the item.
Provider key where you sell the item.
Decimal string purchase price in USD.
Decimal string sell price in USD.
Gross spread as a percentage before fees.
Decimal string estimated transaction fees in USD.
Decimal string net profit after fees in USD.
ISO 8601 timestamp of the most recent price data used.
buy_price_usd, sell_price_usd, estimated_fees_usd, and net_profit_usd are decimal strings in USD — not minor units (cents).pagination.total is always -1 on this endpoint. Use offset pagination only — passing a cursor returns HTTP 400.GET /market/indexes
Aggregates the cached 24-hour market snapshot into category-level market cap indexes grouped byitem_type or weapon_type.
Tiers: Quant
Catalog dimension to group by. One of:
item_type, weapon_type.Response example
Decimal string total market cap across all included items, in USD.
Category breakdown sorted by
marketcap_usd descending.GET /market/indicators
Computes technical indicators — including RSI, MACD, Bollinger Bands, ATR, VWAP, and OBV — from composite OHLCV candles across all providers for a single item. Tiers: QuantCatalog item ID. Takes precedence over
market_hash_name when both are provided.Exact item name as it appears in the Steam catalog. Use
item_id instead when you have it.Doppler/Gamma phase filter. One of:
Phase 1, Phase 2, Phase 3, Phase 4, Ruby, Sapphire, Black Pearl, Emerald.Candle interval for indicator computation. One of:
1h, 1d.Output currency for price-level indicators (ISO 4217).
Response example
Momentum indicators.
Volatility indicators.
Volume indicators.
Human-readable signal summaries derived from the indicators above.
Candle history metadata for the item.
This endpoint does not accept a
provider filter — indicators reflect the best available price across all providers. close_price_usd is always in USD. Price-level indicators (SMA, EMA, Bollinger Bands) are returned in your requested currency.GET /market/items
Returns a market-wide summary snapshot with one row per catalog item. Liquidity is always scored against the 24-hour horizon. The snapshot is refreshed periodically — requests return the most recently available data. Tiers: Pro, QuantResponse example
Decimal string best ask price in USD across providers with active listings.
Decimal string highest bid in USD across all providers, including providers without a current ask.
best_ask_usd × supply, expressed in USD major units.Best available estimate of the number of items in circulation.
Price change over the last 24 hours, in USD.
Same 24h price change expressed as a percentage.
Estimated number of trades in the last 24 hours. A useful approximation, not a guaranteed exact count.
Composite liquidity score (0–100) scored against the 24h horizon.
Listing-depth component score (0–18).
null when liquidity data is unavailable.Bid/ask gap component score (0–12).
null when liquidity data is unavailable.24h churn component score (0–45).
null when liquidity data is unavailable.Price stability bonus (0–8): added into the score’s remaining headroom below 100, combining observation density and price steadiness over the last 24 hours.
null when insufficient history.External confirmation component score (0–25): based on Steam and Buff163 market activity.
null when external data is unavailable.best_ask_usd and all price_* values are decimal strings in USD — not minor units. Rows are sorted by rank, then by item ID.GET /market/items/:item_id
Returns per-item market analytics including a summary and per-provider depth, spread, and volume data. Tiers: Pro, QuantCatalog item ID to analyze. Use
GET /items to look up IDs.Response example
Per-provider depth and spread data. Ask-driven: providers with a live ask but no current bid still appear with
bid_usd, spread_usd, spread_pct, and bid_depth set to null.Provider coverage summary for this item.
ask_usd, bid_usd, spread_usd, and total_value_24h_usd are decimal strings in USD — not minor units. summary.best_bid_usd is the highest bid across all providers, including providers that do not appear in data.providers[].GET /market/history/chart
Returns per-provider daily price history for a single item — one price point per provider per UTC day, spanning years of history (i.e. up to 2013 for Steam) up to the present. Built for charting long horizons. Tiers: Quantitem_id or market_hash_name. With no time parameters the response covers the last 365 days.
Catalog item ID. Required unless
market_hash_name is provided.Exact item name as it appears in the Steam catalog. Required unless
item_id is provided.Provider key filter. Repeatable. Omit to return every provider that has data for the item.
ISO 8601 UTC start of the window. Defaults to 365 days before
end.ISO 8601 UTC end of the window. Defaults to now.
Window length in days. Overrides
start when provided.Target currency for returned prices (ISO 4217).
Include providers that have shut down but still have historical data (e.g. GamerPay, BitSkins). When
false, their series are omitted even if requested explicitly via providers.Response example
The provider keys actually present in
series — those with at least one point in the requested window.UTC day bucket as a Unix timestamp (seconds, midnight).
Closing price for that day in minor units of the response currency (e.g.
546976 = $5,469.76).Listings/volume figure for that day. Meaning varies by provider and may be
null.