API reference · Market data

Liquidity events

Liquidity added to and removed from one pool, newest first.

  • Not on HyperCore: HyperCore trades on its order book, not on pools: its markets, trades and candles are on the same pages

GET https://api.femtos.xyz/v1/liquidity

Parameters

ParamInExample or valuesMeaning
layerqueryelysium (Elysium); hyperevm (HyperEVM)EVM layer
pairquery0xc6f0177141b2741171519c0ef76ad62e5602968b (Elysium); 0x6c9a33e3b592c0d65b3ba59355d5be0d38259285 (HyperEVM)Pool address or <PoolManager>:<PoolId>
limitquery20Rows
cursorquery(optional)Next page: `next_cursor` of the previous answer

Example

Elysium

curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/liquidity?layer=elysium&pair=0xc6f0177141b2741171519c0ef76ad62e5602968b&limit=20"

HyperEVM

curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/liquidity?layer=hyperevm&pair=0x6c9a33e3b592c0d65b3ba59355d5be0d38259285&limit=20"

Key: Authorization: Bearer $FEMTOS_KEY. Get a free key, or with no browser through agent onboarding.

Response fields

FieldTypeMeaning
rows[]objectNewest first: {block, t, tx, logIndex, kind, provider, amount0, amount1, usd, liquidityDelta, tickLower, tickUpper}
rows[].liquidityDeltastring | nullV4 ModifyLiquidity liquidity delta
token0object{address, symbol, decimals, spam, spamReason}
token1object{address, symbol, decimals, spam, spamReason}
next_cursorstring | nullOpaque cursor of the next page: pass it as `cursor`, unchanged. null on the last page

Next page: cursor = the next_cursor of the previous answer, the same on every list (pagination).

Related: Market data

  • Markets GET /v1/markets Elysium, HyperCore, HyperEVM
    Every tradable perp, spot, HIP-3 and outcome market with 24 h stats.
  • Candles GET /v1/candles Elysium, HyperCore, HyperEVM
    OHLCV of any HyperCore market down to 1 s, ascending, UTC-aligned.
  • Forming candle WS elysium.candles · hc.candles · hyperevm.candles Elysium, HyperCore, HyperEVM
    The forming candle, pushed once per block where it changes.
  • Token candles GET /v1/candles Elysium, HyperCore, HyperEVM
    OHLCV of a token through its USDC market (a perp coin: the perp).
  • Trades GET /v1/trades Elysium, HyperCore, HyperEVM
    Latest fills of one market, newest first.
  • Trades stream WS elysium.trades · hc.trades · hyperevm.trades Elysium, HyperCore, HyperEVM
    All trades of one market as they happen: raced between our node and Hyperliquid's public feed, first copy sent, the other dropped.
  • Order book GET /v1/book HyperCore
    L2 book of one market with order counts, from our node.
  • Book stream WS hc.book HyperCore
    Full-depth book, then the levels each block changes.
  • Best bid / offer WS hc.bbo HyperCore
    Top of book of one market each block: raced between Hyperliquid's public feed and our node (newest block wins, our node corrects the same block).
  • Order updates WS hc.orders HyperCore
    Every order status change, filterable by coin, user and status.
  • Token prices GET /v1/prices Elysium, HyperCore, HyperEVM
    USD price of up to 100 tokens in one call, each with its source and provenance.
  • Price history GET /v1/prices/history Elysium, HyperCore, HyperEVM
    USD closes per unit of up to 25 tokens over a window, or the price of 100 tokens at one time (at=).
  • HYPE price WS prices.hype HyperCore
    HYPE from the Hyperliquid oracle, perp mark and exchanges.
  • Pool detail GET /v1/pools/{address} Elysium, HyperEVM
    One pool: dex, fee, tokens, liquidity in USD, depth, 5m to 24h activity, top LPs.
  • Daily token volume GET /v1/volume Elysium, HyperEVM
    USD swap volume of a token per UTC day, both sides of every priced swap.

More

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