x402pulse-tau.vercel.app
Polymarket markets where smart money disagrees with the odds: scans the 30 busiest open markets every 15 minutes and returns those where skilled traders' money implies a different probability than the price, tempered against thin evidence, with a low, medium or high confidence rating. Data, not investment advice.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"docs": "https://x402pulse-tau.vercel.app/developers",
"payTo": "0x5e901f973C17E5542b4Da2A64C7fDc736B2A6e74",
"price": "$0.004 USDC per successful call",
"status": "402 Payment Required",
"message": "This endpoint is paid per call. Nothing was charged for this request.",
"network": "Base",
"returns": "Polymarket markets where smart money disagrees with the odds: scans the 30 busiest open markets every 15 minutes and returns those where skilled traders' money implies a different probability than the price, tempered against thin evidence, with a low, medium or high confidence rating. Data, not investment advice.",
"endpoint": "GET /v1/disagreements",
"howToPay": "Use any x402 client: it reads the PAYMENT-REQUIRED header, signs the USDC payment and repeats the request.",
"orUsePro": "A Pro key (Authorization: Bearer xp_live_…) skips per-call payment: https://x402pulse-tau.vercel.app/pro"
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.004 USDC on Base to 0x5e90…A6e74. The signed payment is good for 5 minutes.
- Paid to
- 0x5e90…A6e74
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 4000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x5e901f973C17E5542b4Da2A64C7fDc736B2A6e74",
"amount": "4000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"limit": "5"
}
},
"output": {
"type": "json",
"example": {
"data": {
"markets": [
{
"gap": 0.19,
"slug": "example-market",
"summary": "Market prices Yes at 38%; skilled money implies 57%, leaning Yes (medium confidence, 4 skilled holders).",
"category": "politics",
"priceYes": 0.38,
"question": "Example market?",
"confidence": "medium",
"skilledUsd": 120000,
"skilledHolders": 4,
"skilledYesShare": 0.57,
"rawSkilledYesShare": 0.81
}
],
"category": null,
"scannedAt": "2026-10-05T12:00:00.000Z",
"marketsScanned": 30
},
"cached": true
}
}
},
"schema": {
"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",
"required": [],
"properties": {
"limit": {
"type": "string",
"description": "Number of markets, 1 to 20"
},
"category": {
"enum": [
"sports",
"politics",
"crypto",
"economy",
"other"
],
"type": "string"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-10-05 11:25Z
- Last indexed by Roundhouse
- 2026-10-06 13:20Z
- Last enriched (probe, favicon, geo)
- 2026-10-05 13:45Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 3 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service x402pulse-tau.vercel.app and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=x402pulse-tau.vercel.app' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://x402pulse-tau.vercel.app/v1/disagreements, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.