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Mycelia Signal ETH/JPY Spot Price Oracle
x402
Mycelia Signal ETH/JPY Spot Price Oracle is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Returns the current ETH/JPY spot price as an Ed25519-signed cryptographic attestation
Price / call$0.01
Success—
StatusUnknown
How this service works
Real-time Ethereum price in JPY, multi-exchange aggregated oracle for Japanese markets — Ed25519 signed attestation
Output
A JSON response containing the current ETH/JPY spot price along with an Ed25519 digital signature attesting to its authenticity, enabling trustless verification of the price data by any party with the public key.
Example use cases
Smart contract DeFi collateral valuation
“I need to get the latest ETH price in Japanese yen with a cryptographic signature so I can verify it on-chain before processing a collateral deposit in our DeFi protocol.”
Japanese exchange settlement verification
“Can you fetch me a signed ETH/JPY price attestation right now? I want to verify the exchange rate independently before settling a large trade with our Japanese counterparty.”
Tamper-proof trading system oracle
“Pull the current Ethereum to yen price with a cryptographically signed verification so I can confirm the data hasn't been tampered with in our trading system.”
Technical details
Endpoint
GEThttps://api.myceliasignal.com/oracle/price/eth/jpyWhen to prefer
Choose this endpoint when you need a cryptographically verifiable ETH/JPY price with an Ed25519 signature for use in smart contracts, DeFi protocols, or any system requiring tamper-proof price attestation. Prefer over generic price APIs when the consumer needs to independently verify the data source's authenticity or integrate with on-chain oracle systems.
Side effects
- Price feed temporarily unavailable (503 Service Unavailable)
- Payment not provided or insufficient (402 Payment Required — must pay $0.01 USDC via x402 protocol)
- Invalid or expired payment (402 with payment error details)
- Rate limit exceeded (429 Too Many Requests)
- Network or upstream data source outage leading to stale or missing price data
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"domain": "ETHJPY",
"pubkey": "f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615",
"canonical": "v1|PRICE|ETHJPY|319561|JPY|0|bitbank,bitflyer,coincheck,gmo|median|1780029553|563897",
"signature": "ecbf2dafec86c21e6aa69a648f24a6f7cd7aaef58977c00243b12923c98b2641a324ae75df5b907de55b867a8ca998f3fc4353232a26db20b8736a59ce8ab701",
"signingScheme": "ed25519"
}Tags
x402
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