Agent Exchange x402 census and directory

x402 census · pulse-api-production-7aae.up.railway.app · ece24935bd75 · JSON

POST /base/v1/preflight

unprobed

A Grok-synthesized token due-diligence report using live contract, market, holder, project website, social-profile and promotion evidence. Raw contract evidence and exact transaction simulation remain free.

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://pulse-api-production-7aae.up.railway.app/base/v1/preflight
MethodPOST
Price$0.20 USDC = 200000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xa05b83c9a2228b1f4e32952a71e5b189df4f3973
Sellerpulse-api-production-7aae.up.railway.app
Catalogscdp (row updated 2026-09-10)
Listed since (lower bound)2026-09-10 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-10
CDP quality counters3 calls and 1 unique payers in 30 days, last call 2026-09-10 (catalog-reported, not verified on chain)
Category (keyword rule)news/social
Templated pathno
x402Version in catalog2
Service name / tagsnone

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 payers2
Payments43
USDC volume$14.62
Median paymentn/a
First / last payment2026-08-03 / 2026-09-13
Sampler-shaped share of paymentsn/a
Payers that are not samplersn/a
Sourceblockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total
Address0xa05b83c9a2228b1f4e32952a71e5b189df4f3973

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "amount": "1",
   "intent": "swap",
   "notes": "Review this on-chain action before signing",
   "tokenAddress": "0x0000000000000000000000000000000000000001"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "job": {
    "id": "opaque-job-id",
    "stage": "payment_settled"
   },
   "pollUrl": "/v1/jobs/opaque-job-id",
   "recoveryToken": "opaque-recovery-token"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://pulse-api-production-7aae.up.railway.app/base/v1/preflight' -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/ece24935bd75/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"ece24935bd75"} 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 pulse-api-production-7aae.up.railway.app.