Tool detail

usd

Returns aggregated Ethereum open interest across 5 exchanges with 1h/4h/24h deltas, as an Ed25519-signed attestation.

Categories: Market prices

Use when

check aggregated ETH open interest for positioning analysis
monitor 1h/4h/24h open-interest deltas across major exchanges
get a cryptographically signed ETH open-interest data point

Not for

not price data - open interest only, see the provider's oracle/price endpoints for prices
not single-exchange OI - aggregated across 5 venues only

Inputs

GET: no query parameters (none documented)

Admitted input schema

{
  "type": "object",
  "properties": {},
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.myceliasignal.com/oracle/oi/eth/usd

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.myceliasignal.com/oracle/oi/eth/usd
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z