# MyCeliaSignal CAD/JPY Oracle

> MyCeliaSignal CAD/JPY 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 a cryptographically signed (Ed25519) attestation of the current CAD/JPY exchange rate

## Facts

- Endpoint: GET https://api.myceliasignal.com/oracle/price/cad/jpy
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-myceliasignal-com-a59ee461
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uJBKRkCxYGV7vbKYurfER

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability api-myceliasignal-com-a59ee461
```

Example prompt: What's the current CAD to JPY exchange rate? I need a cryptographically signed attestation I can trust on-chain.

## When to prefer this

Use this endpoint when you need a cryptographically verifiable (Ed25519-signed) CAD/JPY exchange rate suitable for on-chain use, smart contract verification, or any context requiring a tamper-evident price attestation rather than a plain unauthenticated price feed. Prefer this over generic forex APIs when auditability and signature verification matter.

## Known failure modes

- Payment not received or malformed x402 payment header — 402 Payment Required
- Invalid or expired payment — 402 or 403 error
- Service temporarily unavailable — 503 error
- Rate source unavailable, stale price data returned or error
- Network timeout — connection error

## How this service works

CAD/JPY forex exchange rate — Canadian dollar to Japanese yen — Ed25519 signed attestation

## Output

A JSON response containing the current CAD/JPY spot rate along with an Ed25519 digital signature and timestamp, allowing the caller to cryptographically verify the authenticity and integrity of the price data.

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {}
 }
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-myceliasignal-com-a59ee461/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.myceliasignal.com](https://www.zero.xyz/host/api.myceliasignal.com/llms.txt)