x402 census · 2s.io · c1bafc16a313 · JSON

GET /api/predict/kalshi-markets

live

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 neede…

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://2s.io/api/predict/kalshi-markets

Method GET

Price $0.0025 USDC = 2500 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5

Seller 2s.io

Catalogs cdp (row updated 2026-10-25)

Listed since (lower bound) 2026-10-25 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-10-25

CDP quality counters 5 calls and 3 unique payers in 30 days, last call 2026-10-25 (catalog-reported, not verified on chain)

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags 2s · public-records, identifiers, ai-agents, us-gov-data, x402

Unpaid probe (census of 2026-10-22)

Field Value

Probed at 2026-10-22T00:18:29.806Z

HEAD 402

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header+body

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"2500","payTo":"0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer none

Content type / server / CORS application/json / Vercel / *

Latency 234 ms

Error PAYMENT-SIGNATURE required

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

Distinct payers 118

Payments 833

USDC volume $6.21

Median payment $0.0012

First / last payment 2026-06-12 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "cursor": "example",
   "eventTicker": "example",
   "limit": 1,
   "seriesTicker": "example",
   "status": "unopened",
   "tickers": "example"
  },
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://2s.io/api/predict/kalshi-markets' -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/c1bafc16a313/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c1bafc16a313"} 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: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on 2s.io.