x402 census · xhagents.xyz · 3b283edfe7ca · JSON

POST /api/kb/ask

unprobed

Ask the XH Agents knowledge base (15 field notes on infrastructure, x402 and agent tooling)

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

Field Value

URL https://xhagents.xyz/api/kb/ask

Method POST

Price $0.03 USDC = 30000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x6cb53f00a586f7704e1f7121c2e397b579eb3ed0

Seller xhagents.xyz

Catalogs cdp (row updated 2026-09-25)

Listed since (lower bound) 2026-09-25 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-25

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-25 (catalog-reported, not verified on chain)

Category (keyword rule) agent-services

Templated path no

x402Version in catalog 2

Service name / tags XH Agents Knowledge Base · knowledge-base, devops, x402, ai-agents

Unpaid probe (census of )

Field

Value

Probe

not 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)

Field Value

Distinct payers 2

Payments 24

USDC volume $6.54

Median payment n/a

First / last payment 2026-09-25 / 2026-09-27

Sampler-shaped share of payments n/a

Payers that are not samplers n/a

Source blockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total

Address 0x6cb53f00a586f7704e1f7121c2e397b579eb3ed0

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "question": "nginx docroot mismatch after a build"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "best_match": {
    "id": "nginx-docroot-vs-source",
    "solution": "Check which directory the server really serves (nginx -T plus the served file's mtime), then define one deployment step."
   },
   "matches": [
    {
     "category": "devops-vps",
     "id": "nginx-docroot-vs-source",
     "title": "The site you are editing is not always the site you are serving"
    }
   ],
   "question": "nginx docroot mismatch after a build"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://xhagents.xyz/api/kb/ask' -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/3b283edfe7ca/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"3b283edfe7ca"} 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 xhagents.xyz.