← The evidence ledger
Evidence row 60349
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://2s.io/api/predict/kalshi-markets
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4a2e77e6114c165240fd995e2c6636a2f80652d6b6afc4d2e4d24d694fc5cbfc
- Leaf
- 0x00d0cd45380e18dbf83390d91ba3c99dccca43d11b916c9446a46afa2dec466a
What was observed
{
"endpoints": [
[
"x402",
"https://2s.io/api/predict/kalshi-markets"
]
],
"name": "2s",
"owner_address": "0x2b6d4988db4723e6908db86ab2b8dfbc51fc32c5",
"raw": {
"accepts": [
{
"amount": "2500",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5",
"scheme": "exact"
},
{
"amount": "2500",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"name": "USDC",
"version": "1"
},
"maxTimeoutSeconds": 60,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn",
"scheme": "exact"
}
],
"description": "Browse Kalshi regulated prediction markets. Filter by status (open/closed/settled), event_ticker, series_ticker, or specific tickers; page with limit + cursor. Each market returns yes/no bid+ask and last price (in dollars, 0-1 = implied probability), 24h + total volume, liquidity, open interest, open/close times, and result if settled. Read-only mirror of Kalshi's market list (no Kalshi key needed).",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"cursor": "example",
"eventTicker": "example",
"limit": 1,
"seriesTicker": "example",
"status": "unopened",
"tickers": "example"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"cursor": {
"maxLength": 400,
"type": "string"
},
"eventTicker": {
"maxLength": 120,
"type": "string"
},
"limit": {
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"seriesTicker": {
"maxLength": 120,
"type": "string"
},
"status": {
"enum": [
"unopened",
"open",
"closed",
"settled"
],
"type": "string"
},
"tickers": {
"description": "Comma-separated tickers.",
"maxLength": 400,
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1782067076/bazaar-icons/58f7ba8f2b3b8047.png",
"lastUpdated": "2026-10-25T14:57:00.9Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T14:57:00.653Z"
},
"resource": "https://2s.io/api/predict/kalshi-markets",
"serviceName": "2s",
"tags": [
"public-records",
"identifiers",
"ai-agents",
"us-gov-data",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Browse Kalshi regulated prediction markets. Filter by status (open/closed/settled), event_ticker, series_ticker, or specific tickers; page with limit + cursor. Each market returns yes/no bid+ask and last price (in dollars, 0-1 = implied probability), 24h + total volume, liquidity, open interest, open/close times, and result if settled. Read-only mirror of Kalshi's market list (no Kalshi key needed)."
}What the leaf hashes
{"body":"4a2e77e6114c165240fd995e2c6636a2f80652d6b6afc4d2e4d24d694fc5cbfc","id":60349,"kind":"listing","method":"baseline/1","observed_us":1793025448365205,"prev":null,"subject":"x402_bazaar:https://2s.io/api/predict/kalshi-markets","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x00d08232937031211053cf5e937e572f589345578fb45b15f346e62cf0fee9bc
- 0xaa98434c108eb38183ea60a9f591a5feab10ce1aaa85bea5e263366544c57a90
- 0xa0fbf90e31804541e7b649d57a9bdd5c69ad6b540042b88bde80036df7f7ef61
- 0xa28ecd2f1078c6026765ff6a3e87c25dcdb2a3e0c852019109c9ebcee59d18ef
- 0xdd952943b92b64ef99bc76f5d2f707c994b78d7ed4d4ac5139cc79c35d9daa30
- 0x924308e319a73ccf66cb95d0b1660c84f17e8de887cba519de36cea3b07c56eb
- 0x48548d2330d4e34c8d73a1005659d85f2fb576afca9ee70e5c47715192026193
- 0x5d5c2d2020acec001e1e90b2a5b8a67f5a24a38cc392c27067270c610ae809dd
- 0x9fc6ffe7c23e365f1a796d88346d74b667cc9f5151762ec33da39bfa11629e65
- 0x1edd2dc9dd36bef0d66bcca09e9894f11e3093f06b9f8a9284ef28d89ac3a155
- 0x27552701eb5162e9111d06653c360295d04e5cdfe261fe843f9c0fb27ab44c3b
- 0x9d52e830c7a3480876eca1592c3b5c4a56ee3a8c6fdd4e37c57710b7654e36c7
- 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
- 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
- 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae