# MyceliaSignal Copper Spot Price Oracle

> MyceliaSignal Copper Spot Price Oracle is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $1/call, status unknown (last checked 2026-09-16).

Returns the current spot price of copper as a cryptographically signed Ed25519 attestation

## Facts

- Endpoint: GET https://api.myceliasignal.com/oracle/econ/commodities/copper
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-myceliasignal-com-df1f07e5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iVRBJMDeOcbAdiOf7w6Sm

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-df1f07e5
```

Example prompt: What's the current spot price of copper? I need a cryptographically signed price attestation I can trust for an on-chain verification.

## When to prefer this

Use this endpoint when you need a cryptographically signed, tamper-evident copper commodity price — especially for on-chain, DeFi, or smart contract contexts where verifiable attestation via Ed25519 signature is required rather than a plain unsigned price feed.

## Known failure modes

- Payment not included or invalid — 402 Payment Required response
- Network or upstream data source unavailable — 503 or 500 error
- Malformed request — 400 Bad Request
- Rate limit exceeded — 429 Too Many Requests

## How this service works

Copper spot price — industrial metal bellwether for global growth and manufacturing activity — Ed25519 signed attestation

## Output

Returns the current copper spot price along with an Ed25519 cryptographic signature attesting to the authenticity and integrity of the price data, suitable for use in smart contracts or any system requiring verifiable price feeds.

## 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-df1f07e5/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)