Agent Exchange x402 census and directory

x402 census · blockrun.ai · 56a4d334f306 · JSON

POST /api/v1/exa/search

live

Neural and keyword web search. Optional category filter: company, research paper, news, pdf, github, tweet, personal site, linkedin profile, financial report.

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/exa/search
MethodPOST
Price$0.01 USDC = 11000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xe9030014F5DAe217d0A152f02A043567b16c1aBf
Sellerblockrun.ai
Catalogscdp (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality counters1,678 calls and 27 unique payers in 30 days, last call 2026-09-30 (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 at2026-09-30T23:12:26.742Z
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":"11000","payTo":"0xe9030014F5DAe217d0A152f02A043567b16c1aBf","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
Latency4,253 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 payers113
Payments975
USDC volume$22.79
Median payment$0.003
First / last payment2026-05-18 / 2026-09-30
Sampler-shaped share of payments98.7%
Payers that are not samplers2
Sourceforensics-2026-09-30
Address0xe9030014F5DAe217d0A152f02A043567b16c1aBf

Declared input and output (extensions.bazaar)

{
 "input": {
  "bodyFields": {
   "category": {
    "description": "Optional category filter: company, research paper, news, pdf, github, tweet, personal site, linkedin profile, financial report.",
    "type": "string"
   },
   "excludeDomains": {
    "description": "Exclude these domains from results.",
    "type": "array"
   },
   "includeDomains": {
    "description": "Restrict results to these domains.",
    "type": "array"
   },
   "numResults": {
    "description": "Number of results to return (default 10, max 100).",
    "type": "number"
   },
   "query": {
    "description": "Natural-language search query.",
    "type": "string"
   }
  },
  "discoverable": true,
  "method": "POST",
  "type": "http"
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://blockrun.ai/api/v1/exa/search' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/56a4d334f306/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"56a4d334f306"} 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.