# Council of AI — GSPC Wrapper Parity Check

> Council of AI — GSPC Wrapper Parity Check is a paid API for AI agents from councilof.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Reads the escrow-vs-wrapped parity state for a given wrapped token roster entry on the GSPC board, returning a signed verification card

## Facts

- Endpoint: GET https://councilof.ai/api/wrapper
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/council-of-ai-gspc-wrapper-parity-check-a5a7d602
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_itHRmhGgKE3vnvA8bw4hh

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 council-of-ai-gspc-wrapper-parity-check-a5a7d602
```

Example prompt: Check the Council of AI GSPC board for usdc.e on Arbitrum — I want to see the escrow parity reading and whether it's signed.

## When to prefer this

Use this endpoint when you need a cryptographically attested, structured parity reading of a wrapped token's escrow versus its circulating supply on a specific chain, especially when you require a signed card for audit or compliance purposes. Prefer this over generic block explorers when you want a standardized GSPC board entry with an ed25519 signature and normalized schema rather than raw on-chain data.

## Known failure modes

- Missing or invalid roster id parameter returns an error — id must follow the format symbol:chain (e.g. usdc.e:arbitrum)
- Unknown or untracked roster id returns empty cells in the parity fields
- Payment not received (x402 flow incomplete) results in 402 response before data is returned
- Chain name or symbol typo causes lookup failure with no parity data
- Signature field may be null if the card has not been signed by the Council
- Network or upstream ledger unavailability may cause stale or unavailable readings

## How this service works

Explore the current GSPC measurements, see the published change record, verify signed evidence, and access the supported public feeds.

## Output

Returns a JSON card conforming to card-v0.json schema, including: a SHA-256 hash of the payload, the parity kind (csoai.wrapper.parity/0.1), escrow balance and wrapped total supply readings, the computed escrow-over-wrapped decimal ratio, a human-readable subject line, a surface classification (public.notice), any unmeasured items, and an ed25519 signature (or null if unsigned).

## 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",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "id"
     ],
     "properties": {
      "id": {
       "type": "string",
       "description": "roster id <wrapped-symbol>:<chain>, e.g. usdc.e:arbitrum (free ledger lists them)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "schema": "https://councilof.ai/schema/card-v0.json",
  "sha256": "<hex>",
  "payload": {
   "kind": "csoai.wrapper.parity/0.1",
   "reads": {
    "escrow_balance": {},
    "wrapped_total_supply": {}
   },
   "state": "ESCROW_PARITY_READ",
   "inputs_sha256": "<hex>",
   "escrow_over_wrapped": "<decimal>"
  },
  "subject": "wrapped <SYMBOL> on <chain> vs <escrow> — ESCROW_PARITY_READ",
  "surface": "public.notice",
  "unmeasured": [],
  "sig_ed25519": "<hex or null>"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/council-of-ai-gspc-wrapper-parity-check-a5a7d602/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from councilof.ai](https://www.zero.xyz/host/councilof.ai/llms.txt)