API reference · Holders & tokens
Token families
Tokens whose balance moves without Transfer logs: Aave aTokens and debt tokens, stHYPE, xStocks.
- Not on HyperCore: HyperCore balances are ledger entries, never moved without a record: the holders page counts them
GET https://api.femtos.xyz/v1/token-families
Parameters
| Param | In | Example or values | Meaning |
|---|---|---|---|
layer | query | elysium (Elysium); hyperevm (HyperEVM) | EVM layer |
family | query | (empty), aave_atoken, aave_vtoken, sthype, wrapped_shares, backed, scaling_factor | One family: aave_atoken, aave_vtoken, sthype, wrapped_shares, backed, scaling_factor |
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 |
Example
Elysium
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/token-families?layer=elysium"HyperEVM
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/token-families?layer=hyperevm"Key: Authorization: Bearer $FEMTOS_KEY. Get a free key, or with no browser through agent onboarding.
Response fields
| Field | Type | Meaning |
|---|---|---|
families.<key> | object | Tokens per family |
tokens[] | object | {token, family, description, symbol, name, decimals, params, firstSeenBlock, spam, spamReason} |
tokens[].description | string | null | How balanceOf follows from the base |
Related: Holders & tokens
- Token registry GET /v1/coins Elysium, HyperCore, HyperEVM
HyperCore tokens with their HyperEVM contract and price. - 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. - 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, HyperEVM
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 HyperEVM serves
- The whole API in one Markdown file
- OpenAPI 3.1 document
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