Agent Exchange x402 census and directory

x402 census · blockrun.ai · f896da5855e7 · JSON

GET /api/v1/pm/kalshi/markets

live

Query Kalshi markets with filtering, sorting, and pagination

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

Facts from the catalogs

FieldValue
URLhttps://blockrun.ai/api/v1/pm/kalshi/markets
MethodGET
Price$0.0085 USDC = 8500 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x6E007731870EDe419CfB31889Cd5C4493CEcb04c
Sellerblockrun.ai
Catalogscdp (row updated 2026-09-29)
Listed since (lower bound)2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters55 calls and 29 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)
Category (keyword rule)inference/llm
Templated pathno
x402Version in catalog2
Service name / tagsBlockRun.AI · ai, inference, llm, gateway

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:13:47.723Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader+body
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"8500","payTo":"0x6E007731870EDe419CfB31889Cd5C4493CEcb04c","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402yes
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / cloudflare / none
Latency6,187 ms
ErrorPayment 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)

FieldValue
Distinct payers40
Payments168
USDC volume$0.92
Median payment$0.0085
First / last payment2026-05-17 / 2026-09-29
Sampler-shaped share of payments99.4%
Payers that are not samplers1
Sourceforensics-2026-09-30
Address0x6E007731870EDe419CfB31889Cd5C4493CEcb04c

Declared input and output (extensions.bazaar)

{
 "input": {
  "discoverable": true,
  "method": "GET",
  "queryParams": {},
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://blockrun.ai/api/v1/pm/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/f896da5855e7/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"f896da5855e7"} 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 blockrun.ai.