x402 census · bookproof-api.sn95wjq846.chatgpt.site · 8215be897e11 · JSON

GET /api/v1/market-health

unprobed

Read-only Polymarket market health: resolves a full Polymarket URL, slug, token ID, or search phrase, then returns spread, 1/2/5 cent depth, imbalance, fee schedule, and book freshness.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://bookproof-api.sn95wjq846.chatgpt.site/api/v1/market-health

Method GET

Price $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x83f6EEaE1F332Ec627fAF6467a378118fb775752

Seller bookproof-api.sn95wjq846.chatgpt.site

Catalogs payai (row updated 2026-09-19)

Listed since (lower bound) 2026-09-19 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-19

CDP quality counters not in the CDP catalog

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags Bookproof · polymarket, prediction-markets, orderbook, market-data

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field

Value

Settlement history

unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample

Declared input and output (extensions.bazaar)

{
 "input": {
  "type": "http",
  "method": "GET",
  "pathParams": {},
  "queryParams": {
   "market": "https://polymarket.com/event/will-the-fed-decrease-interest-rates-by-25-bps-after-the-july-2026-meeting"
  }
 },
 "output": {
  "type": "json",
  "example": {
   "fee": {
    "exponent": 1,
    "takerOnly": true,
    "takerRate": 0.04
   },
   "books": [
    {
     "spread": 0.01,
     "bestAsk": 0.43,
     "bestBid": 0.42,
     "outcome": "Yes",
     "imbalance2c": -0.12
    }
   ],
   "health": {
    "stale": false,
    "status": "healthy",
    "crossed": false
   },
   "market": {
    "slug": "will-the-fed-decrease-interest-rates-by-25-bps-after-the-july-2026-meeting"
   },
   "service": "bookproof"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://bookproof-api.sn95wjq846.chatgpt.site/api/v1/market-health' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/8215be897e11/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"8215be897e11"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: PayAI listing status · this record as JSON · all resources on bookproof-api.sn95wjq846.chatgpt.site.