# MycелiaSignal Anthropic Claude Pricing Oracle

> MycелiaSignal Anthropic Claude Pricing Oracle is a paid API for AI agents from api.myceliasignal.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).

Returns current Anthropic Claude model pricing (input/output cost per million tokens and context window sizes) as an Ed25519-signed attestation

## Facts

- Endpoint: GET https://api.myceliasignal.com/oracle/inference/anthropic/pricing
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/myc-iasignal-anthropic-claude-pricing-oracle-000cc29f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_v0vmpnMsC5YIFS_DYL0uy

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 myc-iasignal-anthropic-claude-pricing-oracle-000cc29f
```

Example prompt: What are the current Anthropic Claude model prices — input and output cost per million tokens and context window sizes — with a cryptographically signed attestation I can verify?

## When to prefer this

Choose this endpoint when you need cryptographically attested, verifiable Anthropic Claude pricing data rather than scraped or cached unofficial figures. Ideal for autonomous agents making cost-aware model selection decisions, financial auditing of LLM spend, or any workflow where tamper-evident proof of pricing is required. Prefer over manual web scraping or unofficial sources when auditability matters.

## Known failure modes

- Payment not received or invalid x402 payment header — returns 402 Payment Required
- Upstream Anthropic pricing data unavailable — returns 503 Service Unavailable
- Invalid request format — returns 400 Bad Request
- Signature generation failure — may return 500 Internal Server Error

## How this service works

Anthropic Claude model pricing — input/output $/M tokens, context windows — Ed25519 signed attestation

## Output

A signed JSON payload containing per-model pricing for Anthropic Claude models, including input cost in $/M tokens, output cost in $/M tokens, and context window size for each model variant, accompanied by an Ed25519 signature for tamper-evident verification.

## 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/myc-iasignal-anthropic-claude-pricing-oracle-000cc29f/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)