Agent Exchange x402 census and directory

x402 census · x402.ottoai.services · 418faf669bd4 · JSON

GET /pm-markets

unprobed

Top Polymarket prediction markets RIGHT NOW: the 25 highest-volume open markets with live odds (outcome probabilities), best bid/ask, spread, last trade price, 24h + total volume, liquidity, 1d/7d price change, end date and event link. Flat JSON, refreshed every 5 minutes. Prediction market odds, Polymarket data, event probabilities, market sentiment. $0.001 per call.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://x402.ottoai.services/pm-markets
MethodGET
Price$0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808
Sellerx402.ottoai.services
Catalogscdp (row updated 2026-09-24)
Listed since (lower bound)2026-09-24 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-24
CDP quality counters11 calls and 9 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagsOtto AI · prediction markets, polymarket, odds, event probability, market data

Unpaid probe (census of )

FieldValue
Probenot probed in this build

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)

FieldValue
Distinct payers134
Payments926
USDC volume$9.94
Median payment$0.001
First / last payment2026-05-05 / 2026-09-30
Sampler-shaped share of payments92.4%
Payers that are not samplers5
Sourceforensics-2026-09-30
Address0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 864
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://x402.ottoai.services/pm-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/418faf669bd4/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"418faf669bd4"} 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 x402.ottoai.services.