# Mycelias Signal Voyage Forecast Oracle

> Mycelias Signal Voyage Forecast Oracle is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-13).

Returns a cryptographically signed (Ed25519) voyage weather forecast attestation for marine navigation planning

## Facts

- Endpoint: GET https://api.myceliasignal.com/oracle/marine/voyage/forecast
- Price: $0.5/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-0e68ec08
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_IV5D6V0gJ6B5ppn5wDMgv

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-0e68ec08
```

Example prompt: Can you get me a cryptographically signed voyage forecast from the Mycelias Signal oracle for my upcoming sea trip?

## When to prefer this

Choose this endpoint when you need a tamper-proof, cryptographically signed voyage forecast suitable for smart contracts, automated maritime logistics, or any system that requires verifiable oracle data for sea voyages rather than a plain unsigned weather API response

## Known failure modes

- Payment not provided or insufficient (402 Payment Required)
- Invalid or missing query parameters
- Oracle unavailable or temporarily down (503)
- Signature verification failure on client side if Ed25519 key is not recognized

## How this service works

Voyage forecast — Ed25519 signed attestation

## Output

A voyage weather forecast accompanied by an Ed25519 signed attestation, providing cryptographically verifiable marine forecast data suitable for trustless or on-chain consumption

## 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",
     "required": [
      "lat1",
      "lon1",
      "lat2",
      "lon2"
     ],
     "properties": {
      "lat1": {
       "type": "number",
       "description": "Origin latitude"
      },
      "lat2": {
       "type": "number",
       "description": "Destination latitude"
      },
      "lon1": {
       "type": "number",
       "description": "Origin longitude"
      },
      "lon2": {
       "type": "number",
       "description": "Destination longitude"
      }
     }
    }
   },
   "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-0e68ec08/health.json
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