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MyCeliaSignal US CPI Oracle (Ed25519 Signed)
x402
MyCeliaSignal US CPI Oracle (Ed25519 Signed) is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $1/call, status unknown (last checked 2026-09-13).
Returns the current US Consumer Price Index (CPI) value as a cryptographically signed Ed25519 attestation for on-chain or trust-minimized use.
Price / call$1
Success—
StatusUnknown
How this service works
US Consumer Price Index — latest CPI inflation reading for Fed policy and macro trading — Ed25519 signed attestation
Output
A JSON payload containing the current US CPI value along with an Ed25519 cryptographic signature attesting to its authenticity, a timestamp, and any relevant metadata to allow downstream on-chain or off-chain verification of the data's integrity.
Example use cases
Example prompt
“Can you get me the latest US Consumer Price Index reading from MyCeliaSignal with its Ed25519-signed attestation so I can verify the data on-chain?”
Technical details
Endpoint
GEThttps://api.myceliasignal.com/oracle/econ/us/cpiWhen to prefer
Choose this endpoint when you need a cryptographically verifiable (Ed25519-signed) US CPI data point — particularly for smart contract oracle feeds, DeFi protocols, or any application that requires tamper-evident economic data attestation rather than a plain unverified API response.
Side effects
- Payment not received or invalid x402 payment header — returns 402 Payment Required
- Data source temporarily unavailable — returns 503 or similar error
- Malformed request — returns 400 Bad Request
- Rate limit exceeded — returns 429 Too Many Requests
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"unit": "index198284100",
"value": "335.123",
"period": "2026-05",
"pubkey": "f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615",
"region": "us",
"seriesid": "CUUR0000SA0",
"canonical": "v1|ECON|US|CPI|335.123|index198284100|2026-05|2026-06-18|BLS|CUUR0000SA0|directapi|1781758800|753809",
"createdat": "2026-06-18",
"indicator": "cpi",
"signature": "ab3ac30edce0ce20391faef65f14f5e470ae55862d4c9909407857773b9203b2805b1b3dbb478e5e4f1c68fce7eb29bf52edefbcdd54f52fc0b01ad59bbc870f",
"sourcemodel": "directapi",
"vintagedate": "2026-06-18",
"sourceagency": "BLS",
"signingScheme": "ed25519"
}Tags
x402
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