API reference · Holders & tokens
Token registry
- Elysium: Links one token across Elysium, HyperEVM and HyperCore.
- HyperCore: HyperCore tokens with their HyperEVM contract and price.
- HyperEVM: HyperEVM tokens with their HyperCore spot link and price.
GET https://api.femtos.xyz/v1/coins
Parameters
| Param | In | Example or values | Meaning |
|---|---|---|---|
layer | query | elysium (Elysium); hypercore (HyperCore); hyperevm (HyperEVM) | Layer |
q | query | <token> (Elysium) | Symbol, name or address (an exact address always answers its token, flagged) |
limit | query | 50 | Rows per layer (HyperCore, HyperEVM) |
includeSpam | query | (empty), true | Show spam tokens (tokens.spam: homoglyph, impostor, phishing name, fake transfers…) flagged spam / spamReason; left out of the list by default (HyperEVM) |
Example
Elysium
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/coins?layer=elysium&q=<token>"HyperCore
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/coins?layer=hypercore&limit=50"HyperEVM
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/coins?layer=hyperevm&limit=50"Key: Authorization: Bearer $FEMTOS_KEY. Get a free key, or with no browser through agent onboarding.
Response fields
| Field | Type | Meaning |
|---|---|---|
id | string | HyperCore: token name; EVM layers: the token address |
symbol | string | Symbol |
decimals | int | null | Decimals (HyperCore: wei decimals) |
priceUsd | decimal | null | Last USD price |
links | object | The same asset on the other layers: {core, evm, elysium} |
coverage | object | The bridge link of the token to the other layer, and how far it is covered: {linkKind or kind, status, confirmedStatus, verification, observedAt} (Elysium, HyperCore) |
totalSupply | decimal | null | Total supply (HyperCore, HyperEVM) |
spam | boolean | HyperEVM / Elysium: flagged spam by the indexer (tokens.spam). GET /api/tokens/spam lists them (HyperEVM) |
spamReason | string | null | 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 (HyperEVM) |
Related: Holders & tokens
- Coin detail GET /v1/coins/{layer}/{id} Elysium, HyperCore, HyperEVM
One token: its links across layers, the markets it trades on, its 5 largest holders. - Token metadata GET /v1/tokens Elysium, HyperCore, HyperEVM
Metadata of up to 100 tokens: supply, creator, logo and socials when indexed, family, spam. Also POST with a JSON body. - Token overview GET /v1/tokens/{address} Elysium, HyperEVM
One token across all its pools: price, FDV, market cap, liquidity, windows, holders, top pools. - Token across layers GET /v1/tokens/{address}/lifecycle Elysium, HyperCore, HyperEVM
One token from its Elysium launch to its HyperEVM mirror, HyperCore spot and perps, each link proven or marked inferred. - Holders GET /v1/holders Elysium, HyperCore, HyperEVM
Spot balances of a HyperCore token, largest first. - Perp holders GET /v1/holders HyperCore
Largest open positions of a perp, long and short. - Token families GET /v1/token-families Elysium, HyperEVM
Tokens whose balance moves without Transfer logs: Aave aTokens and debt tokens, stHYPE, xStocks. - Family token holders GET /v1/token-families/{token} Elysium, HyperEVM
Holders of one family token with balanceOf at the indexed head. - Token transfers GET /v1/transfers Elysium
ERC-20 Transfer events of one token, newest first. - Token security GET /v1/tokens/{address}/security Elysium, HyperEVM
Honeypot check: a buy, a transfer and a sell simulated on our node, taxes, owner powers, holders and LP, with a verdict. - Spam tokens GET /v1/tokens/spam Elysium, HyperEVM
Tokens the indexer flags as spam, left out of every list, and the latest flag changes.
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