HyperCore · Reference

Freshness

Head and lag of each layer, measured now.

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

Example

curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/status"

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

Field	Type	Meaning
`layers.hypercore`	object	{state, head, headTime, lagMs}
`layers.hyperevm`	object	{state: syncing \| live, head?, headTime?, lagMs?, chainHead?, blocksBehind?, behindMs?, clock?, reason?}
`layers.elysium`	object	{state, network, head, headTime, lagMs, chainHead?, blocksBehind?, behindMs?, clock?}
`chainHead · blocksBehind · behindMs`	int · int · ms	EVM layers: the node’s own head (pushed), how far our indexed head is behind it; behindMs = how long the next block has waited, on our receive clock (0 = in sync)
`stream · flows`	object	our two live feeds: {connected, lagMs}
`bridges`	object	HyperCore ↔ HyperEVM matching: {evm_to_core, core_to_evm: {legs, matched, coverage, p50Ms, p99Ms}}
`serverTime`	int	server clock (ms)

Stream stats WS stats
Our HyperCore stream health, once a second.
Check your key GET /v1/whoami
Answers the name your key is registered under, its tier, billing state and the limits in force.
OpenAPI document GET /v1/openapi.json
The OpenAPI 3.1 contract of every REST call, public.