# Mycelia Signal A100 SXM Best Price Oracle

> Mycelia Signal A100 SXM Best Price Oracle is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Returns the best current A100 SXM GPU rental price across all sources, delivered as an Ed25519-signed attestation

## Facts

- Endpoint: GET https://api.myceliasignal.com/oracle/compute/best/a100_sxm
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 1
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mycelia-signal-a100-sxm-best-price-oracle-7b3ac2b3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_56e_qmB3LrZhSZcl-6RZt

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-a100-sxm-best-price-oracle-7b3ac2b3
```

Example prompt: What's the best available rental price for an A100 SXM GPU right now — I want a cryptographically signed quote I can trust?

## When to prefer this

Use this endpoint when you need a verifiable, cryptographically attested best price for A100 SXM GPU compute across multiple providers, rather than checking each provider individually. Prefer this over manual scraping or single-provider APIs when trustworthiness of the price quote matters (e.g. for automated procurement, cost comparison agents, or on-chain price verification). Best for AI infrastructure cost optimization agents and GPU marketplace intelligence.

## Known failure modes

- No price data available from any source — service may return an error or empty result
- Ed25519 signature verification fails if public key is stale or mismatched
- Payment of $0.05 USDC not completed — 402 Payment Required response
- Rate limit exceeded — too many requests in short period
- Upstream price source temporarily unavailable — stale or missing data

## How this service works

Cheapest A100 SXM GPU rental — best hourly rate across major cloud providers for AI training — Ed25519 signed attestation

## Output

A signed response containing the lowest current A100 SXM GPU rental price found across all aggregated sources, along with the source name, timestamp, and an Ed25519 cryptographic signature to verify authenticity of the price data.

## 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/mycelia-signal-a100-sxm-best-price-oracle-7b3ac2b3/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)