API reference · Market data
Markets
- Elysium: Active Elysium pools with 24 h stats.
- HyperCore: Every tradable perp, spot, HIP-3 and outcome market with 24 h stats.
- HyperEVM: Active HyperEVM pools with 24 h stats.
GET https://api.femtos.xyz/v1/markets
Parameters
| Param | In | Example or values | Meaning |
|---|---|---|---|
layer | query | elysium (Elysium); hypercore (HyperCore); hyperevm (HyperEVM) | Layer (none: HyperCore + Elysium + top 100 HyperEVM pools) |
includeSpam | query | (empty), true | EVM pools of spam tokens (base or quote flagged in tokens.spam), flagged spam / spamReason; left out by default (and out of X-Total-Count) (Elysium, HyperEVM) |
cursor | query | (optional) | Next page: `next_cursor` of the previous answer (Elysium, HyperEVM) |
includeOutcomes | query | (empty), true | HyperCore outcome markets (HyperCore) |
Example
Elysium
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/markets?layer=elysium"HyperCore
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/markets?layer=hypercore"HyperEVM
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/markets?layer=hyperevm"Key: Authorization: Bearer $FEMTOS_KEY. Get a free key, or with no browser through agent onboarding.
Response fields
| Field | Type | Meaning |
|---|---|---|
id | string | Market id: HyperCore coin, EVM pair address (use as `market` / `pair`) |
symbol | string | BASE/QUOTE |
base | string | Base symbol |
quote | string | Quote symbol |
kind | perp | spot | hip3 | outcome | pool | perp, spot, hip3 (HIP-3 dex perp), outcome (HyperCore outcome market), pool (EVM DEX pool) |
protocol | string | EVM pools: DEX protocol (Elysium, HyperEVM) |
feeTier | int | EVM pools: fee tier (Elysium, HyperEVM) |
price | decimal | null | Last price in quote (EVM: last daily close) |
change24h | number | null | % change over 24 h |
volume24hUsd | decimal | null | 24 h volume, USD |
trades24h | int | 24 h trades |
mcapUsd | decimal | null | EVM pools: market cap at the last daily close (Elysium, HyperEVM) |
spam | boolean | EVM pools: base or quote is a spam token (tokens.spam); out of /api/markets unless includeSpam (Elysium, HyperEVM) |
spamReason | string | null | EVM pools: the spam token's reason. Why the indexer flags it, comma list, strongest first: homoglyph:<T> (looks like token T), impostor:<T> (claims to be T; never alone), phishing_name, fake_transfers, unreadable_balance (balanceOf reverts: no ERC-20 behind its Transfer logs), verifier_ignore; null when not spam (Elysium, HyperEVM) |
Link rel="next" | header | an array: the next page URL, its cursor to pass as cursor (Elysium, HyperEVM) |
szDecimals | int | HyperCore: size decimals of the market (HyperCore) |
maxLeverage | int | HyperCore perps: maximum leverage (HyperCore) |
dex | string | HIP-3: the dex of the perp (xyz in xyz:TSLA) (HyperCore) |
outcome | object | HyperCore outcome markets: what the market settles on: {id, side, title, sideName, description, question} (HyperCore) |
Next page: cursor = the next_cursor of the previous answer, the same on every list (pagination).
Related: Market data
- 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. - 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