# Mycelia Signal Discovery Info

> Mycelia Signal Discovery Info is a free API for AI agents from api.myceliasignal.com, Free, status unknown (last checked 2026-09-15).

Returns the signing public key, payment address, facilitator details, and per-endpoint pricing for the Mycelia Signal oracle service

## Facts

- Endpoint: GET https://api.myceliasignal.com/sho/info
- Price: Free
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mycelia-signal-66476cb3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hWary_U4_krZxRA141QGi

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 mycelia-signal-66476cb3
```

Example prompt: What's the signing pubkey, payment address, and per-endpoint pricing for the Mycelia Signal oracle so I can verify its Ed25519 attestations and set up x402 payments?

## When to prefer this

Use this endpoint as the first step when integrating with Mycelia Signal to discover how to authenticate signed oracle data, where to send x402 payments, and what each feed costs. Prefer this over hardcoding keys or prices directly.

## Known failure modes

- Service unavailable or timeout — HTTP 5xx returned
- Malformed response if service is misconfigured
- Empty or null fields if service is in maintenance mode

## How this service works

Discovery: signing pubkey, payment address, facilitator, per-endpoint pricing

## Output

Returns the Ed25519 signing public key used to verify oracle attestations, the USDC payment address, the x402 facilitator endpoint, and a list of per-endpoint pricing for all available Mycelia Signal data feeds.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/mycelia-signal-66476cb3/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)