API reference · Market data
Trades
- Elysium, HyperEVM: Latest swaps of one pool, newest first.
- HyperCore: Latest fills of one market, newest first.
GET https://api.femtos.xyz/v1/trades
Parameters
| Param | In | Example or values | Meaning |
|---|---|---|---|
layer | query | elysium (Elysium); hypercore (HyperCore); hyperevm (HyperEVM) | Layer |
market | query | <pair> (Elysium); BTC (HyperCore); <evmPair> (HyperEVM) | Pair address (pool key) or coin; required without trader / pool / token |
limit | query | 50 | Rows |
Example
Elysium
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/trades?layer=elysium&market=<pair>&limit=50"HyperCore
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/trades?layer=hypercore&market=BTC&limit=50"HyperEVM
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/trades?layer=hyperevm&market=<evmPair>&limit=50"Key: Authorization: Bearer $FEMTOS_KEY. Get a free key, or with no browser through agent onboarding.
Response fields
| Field | Type | Meaning |
|---|---|---|
t | ms | Block time |
block | int | Block of the trade (provenance) |
px | decimal | Price in quote |
pxUsd | decimal | null | Base price in USD at the swap (Elysium, HyperEVM) |
sz | decimal | Base size |
vq | decimal | null | Quote amount (Elysium, HyperEVM) |
usd | decimal | null | USD value (Elysium, HyperEVM) |
side | B | A | B = buy of the base, A = sell |
mcapUsd | decimal | null | Market cap at the swap, USD (Elysium, HyperEVM) |
trader | string | tx.from of the swap (Elysium, HyperEVM) |
id | string | EVM: 0x<tx hash>:<log index>; HyperCore: trade id (tid) |
tx | string | null | Provenance: transaction hash. EVM: the Swap log's transaction; HyperCore: the hash of the transaction whose fills made the trade (null when the fill carries none) |
logIndex | int | EVM: log index of the Swap event in the block (provenance) (Elysium, HyperEVM) |
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 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. - Liquidity events GET /v1/liquidity Elysium, HyperEVM
Liquidity added to and removed from one pool, newest first. - Daily token volume GET /v1/volume Elysium, HyperEVM
USD swap volume of a token per UTC day, both sides of every priced swap.
More
- This page as Markdown
- The whole API reference
- What Elysium serves
- What HyperCore serves
- What HyperEVM serves
- The whole API in one Markdown file
- OpenAPI 3.1 document
Agent guide (agents.md)llms.txtOpenAPIMCP serverGet an API keyChangelog