probability derived
x402.fenixfoundry.comMarket dataderived
POST https://x402.fenixfoundry.com/probability
passlisted in Coinbase#3 by calls of 3 on this host
0.015 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 4
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-09-05 03:16 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.015 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 28 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
probability, a POST endpoint on x402.fenixfoundry.com, appears in the Coinbase registry; TOLL's taxonomy puts it in market data.
probability is priced at 0.015 USDC on Base.
Callers of probability supply a json body with the fields q and maxMarkets.
probability returns json; the example shows asOf, query, source, markets, confidence, divergence and 2 others.
probability answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
probability is one of 3 listed endpoints on x402.fenixfoundry.com, 3rd by calls among them.
probability takes 29% of the calls counted across x402.fenixfoundry.com.
Over 30 days: 4 calls, 2 payers.
probability was last called 11 days before the snapshot.
Closest in price to probability within market data: q verdict resource at www.ax1.vc and activities smarttraders smartmoney at x402.sniperx.fun.
probability is priced above 62% of comparable listings in market data.
Across market data, 5,172 endpoints carry counters and probability out-counts 70% of them.
3 listed endpoints on one host pay to the same wallet.
The seller's tags on probability are prediction-markets, polymarket, kalshi and probability.
The price of probability is declared by 63 other listings in market data too.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.015 USDC | exact | 0x737426…f3BE54 |
the checks, as of 2026-09-15 04:48 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:48 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:44 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:42 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:58 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 10:35 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-05 03:16 UTC · method · live
The input and output block
{
"input": {
"body": {
"q": "Will the Fed cut rates before September 2026?",
"maxMarkets": 4
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"asOf": "2026-07-31T12:00:00.000Z",
"query": "Will the Fed cut rates before September 2026?",
"source": "index",
"markets": [
{
"id": "fed-rate-cut-september-2026",
"url": "https://polymarket.com/event/fed-rate-cut-september-2026",
"venue": "polymarket",
"status": "open",
"volume": 1850000,
"question": "Will the Fed cut interest rates before September 2026?",
"closeTime": "2026-09-01T00:00:00.000Z",
"liquidity": 412000,
"matchScore": 0.91,
"probability": 0.64
},
{
"id": "KXFEDDECISION-26SEP",
"url": "https://kalshi.com/markets/kxfeddecision-26sep",
"venue": "kalshi",
"status": "open",
"volume": 240000,
"question": "Fed cuts rates at or before the September 2026 meeting",
"closeTime": "2026-09-17T00:00:00.000Z",
"liquidity": 88000,
"matchScore": 0.83,
"probability": 0.59
}
],
"confidence": 0.82,
"divergence": 0.05,
"attribution": "Implied probabilities and resolution status are derived from public Polymarket and Kalshi market data by x402.fenixfoundry.com. Not affiliated with, endorsed by, or a data feed of either venue. Informational only, not investment advice.",
"probability": 0.6312
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "probability on x402.fenixfoundry.com", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/x402-fenixfoundry-com-probability-57cf91/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-x402-fenixfoundry-com-probability-57cf91-2026-09-15T16-57Z,
author = {TOLL},
title = {probability on x402.fenixfoundry.com},
howpublished = {\url{https://tollindex.com/e/x402-fenixfoundry-com-probability-57cf91/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.