market authenticity derived
api.polym.ukMarket dataderived
GET https://api.polym.uk/market-authenticity/:conditionId
malformedabsent from every registry#3 by calls of 2 on this host
0.05 USDC
per call, as the listing declares it on eip155:
Compare with anotherEvery figure as JSONCite this page
the price, as of 2026-10-07 05:57 UTC · method
- Validation state
- malformed
- Uptime, 7 / 30 / 90 days
- 0% / 0% / 0%
- Calls, trailing 30 days
- 3
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-07 10:44 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.05 USDC
- Networks
- 1
How has the volume on this endpoint moved?
The sweep of 2026-10-07 got a payment challenge that did not pass the required check parse.
For market authenticity the failing check asks whether the discovery extension parsed.
At api.polym.uk, market authenticity takes GET requests, is listed in neither registry at the last pull, and falls under market data by TOLL's rules.
market authenticity is priced at 0.05 USDC on Base.
Requests carry the path parameter conditionId.
market authenticity returns json; the example shows asOf, found, title, bucket, trades, caveats and 2 others.
market authenticity drew 3 calls from one payer in the trailing 30 days.
The last call to market authenticity came 35 days before the snapshot, 2026-09-07.
market authenticity is one of 2 listed endpoints on api.polym.uk, 3rd by calls among them.
market authenticity takes 33% of the calls counted across api.polym.uk.
Among comparable prices in market data, market authenticity sits above 86% of them.
Closest in price to market authenticity within market data: distribution balance exchanges relative at x402.glassnode.com and smart money netflow at api.nansen.ai.
The wallet paid by market authenticity is the payee of 7 endpoints across 2 hosts.
Across market data, 8,935 endpoints carry counters and market authenticity out-counts 56% of them.
The seller's tags on market authenticity are polymarket, prediction-markets, order-flow and market-analysis.
market authenticity was missing from the Coinbase registry at the pull of 2026-10-07, confirmed at the pull of 2026-10-07; that is registry presence, not liveness.
The price of market authenticity is declared by 561 other listings in market data too.
Where the sentences above compare this endpoint with others, the comparison is against the index as it stands now, live; the figures above are final.
the payment options, as of 2026-10-07 05:57 UTC · method
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.05 USDC | exact | 0x7b1310…36f3E3 |
the checks, as of 2026-10-07 07:11 UTC · methodendpoint answered HTTP 402
parse· the discovery extension parsed
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-07 07:11 UTC | malformed | 1 | daily-2026-10-07 |
| 2026-10-06 08:01 UTC | malformed | 1 | daily-2026-10-06 |
| 2026-10-05 07:23 UTC | malformed | 1 | daily-2026-10-05 |
| 2026-10-04 10:04 UTC | malformed | 1 | daily-2026-10-04 |
| 2026-10-03 05:01 UTC | malformed | 1 | daily-2026-10-03 |
| 2026-10-02 14:19 UTC | malformed | 1 | daily-2026-10-02 |
| 2026-10-01 07:19 UTC | malformed | 1 | daily-2026-10-01 |
| 2026-09-30 06:36 UTC | malformed | 1 | daily-2026-09-30 |
| 2026-09-29 18:56 UTC | malformed | 1 | daily-2026-09-29 |
| 2026-09-28 05:44 UTC | malformed | 1 | daily-2026-09-28 |
| 2026-09-25 20:28 UTC | malformed | 1 | daily-2026-09-25 |
| 2026-09-23 06:06 UTC | malformed | 1 | daily-2026-09-23 |
| 2026-09-22 06:17 UTC | malformed | 1 | daily-2026-09-22 |
| 2026-09-21 06:40 UTC | malformed | 1 | daily-2026-09-21 |
| 2026-09-20 19:18 UTC | malformed | 1 | daily-2026-09-20 |
| 2026-09-19 04:41 UTC | malformed | 1 | daily-2026-09-19 |
| 2026-09-18 10:34 UTC | malformed | 1 | daily-2026-09-18 |
| 2026-09-17 04:37 UTC | malformed | 1 | daily-2026-09-17 |
| 2026-09-16 04:38 UTC | malformed | 1 | daily-2026-09-16 |
| 2026-09-15 04:35 UTC | malformed | 1 | daily-2026-09-15 |
| 2026-09-14 04:31 UTC | malformed | 1 | daily-2026-09-14 |
| 2026-09-13 04:30 UTC | malformed | 1 | daily-2026-09-13 |
| 2026-09-12 06:46 UTC | malformed | 1 | daily-2026-09-12 |
| 2026-09-11 10:18 UTC | malformed | 1 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- absence from Coinbase confirmed, rule v1
- absent from Coinbase at this pull
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-07 10:44 UTC · method
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"conditionId": "0xa3b36b2d6104d34af4e6c6215fc818e43352e78a748fbfb0b85e3a35f71dec9a"
},
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"asOf": "2026-09-01T03:42:26.765Z",
"found": true,
"title": "Will there be no change in Fed interest rates after the September 2026 meeting?",
"bucket": "broad",
"trades": 486,
"caveats": [
"SHOWCASE, NOT THE PAID RESPONSE: what you see is one market of the covered set, and the route answers for any covered conditionId you pass. Nothing is masked or invented: every value is a dated measurement, kept so you can read the shape, the units and the field semantics. The schema published beside it is complete; a paid call returns the complete set.",
"EXAMPLE ONLY: what this route returns for one market of the free public snapshot of 2026-09-01T03:42Z, then frozen. A live response carries its own asOf and current values.",
"Coverage is partial and declared. Only markets decomposed by window volume answer with found:true; a conditionId outside that set returns 422, is not billed, and carries a note instead of metrics. GET /coverage is free and reports how many markets are decomposed right now.",
"Descriptive FACT for the observed window. Never an accusation of fraud, nor a wash or skill label.",
"apparentVolumeUsd counts executed trades, which is not the same as liquidity or open interest. It is taker-side and window-scoped, not lifetime.",
"Concentration is measured among the OBSERVED TAKERS (the tape is taker-only). effectiveTraders = 1/HHI, which exposes what distinctTraders hides.",
"onchainCounterparties is how many distinct counterparties the dominant taker traded against: a FACT, not a wash verdict. The proxy wallet is not the owner, and the graph is one hop deep.",
"betResolvedInFavor means the dominant direction coincided with the resolution. One sample; neither PnL nor evidence of skill.",
"resolutionRisk is the category BASE RATE, not a forecast for this market: dispute (how often markets like this are disputed at UMA) by flip (when disputed, how often the outcome REVERSES). On-chain fact; a small cell is directional only."
],
"priceBand": {
"subCentShare": 0,
"nearResolutionShare": 0
},
"structure": {
"spread": 0.01,
"endDate": "2026-09-16T00:00:00Z",
"bookLiquidityUsd": 751513.2288,
"orderbookEnabled": true,
"rewardsSubsidized": true,
"apparentVsBookFlag": false
},
"conditionId": "0xa3b36b2d6104d34af4e6c6215fc818e43352e78a748fbfb0b85e3a35f71dec9a",
"windowHours": 71.95,
"dominantFlow": {
"side": "BUY",
"vwap": 0.44,
"wallet": "0x7d56d84778fc6caa66f517be0ebe1df5d9f54950",
"outcome": "Yes",
"notionalUsd": 35760.11,
"sampledFills": null,
"walletMarkets": 1,
"counterpartyHhi": null,
"betResolvedInFavor": null,
"distinctCounterparties": null,
"effectiveCounterparties": null
},
"marketClosed": false,
"concentration": {
"hhi": 0.06,
"topTraderShare": 0.1425,
"distinctTraders": 349,
"effectiveTraders": 18
},
"resolutionRisk": {
"category": "Other",
"categoryElevated": false,
"categoryFlipRatePct": 13.1,
"titleLooksCheckable": false,
"categoryDisputeSample": "high-volume",
"categoryDisputeRatePct": 8.3,
"flipInsufficientSample": false,
"categoryInsufficientSample": false
},
"apparentVolumeUsd": 250883.87
}
}
}Cite this page
This endpoint is delisted: the page is frozen at its last observation and its live URL is the stable one. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "market authenticity on api.polym.uk". https://tollindex.com/e/api-polym-uk-market-authenticity-conditionid-44cade. Accessed [access date].
BibTeX
@misc{toll-e-api-polym-uk-market-authenticity-conditionid-44cade-2026-10-12,
author = {TOLL},
title = {market authenticity on api.polym.uk},
howpublished = {\url{https://tollindex.com/e/api-polym-uk-market-authenticity-conditionid-44cade}},
year = {2026},
month = {10},
note = {Frozen at its last observation, 2026-10-12 15:20 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.