x402 census · json-suite.underscoredone.com · 5d5f8b8d2c43 · JSON

POST /json

unprobed

Every agent and developer hits broken or confusing JSON. This tool handles the common headaches in one place: check whether JSON is valid with the exact error location, repair near-JSON with typos, pretty-print or minify, pull values out with a path expression, diff two documents, convert to and from YAML or CSV, produce a byte-stable canonical form for hashing, validate against a schema, and rep…

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://json-suite.underscoredone.com/json

Method POST

Price $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08

Seller json-suite.underscoredone.com

Catalogs cdp (row updated 2026-09-28)

Listed since (lower bound) 2026-09-28 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-28

CDP quality counters 4 calls and 4 unique payers in 30 days, last call 2026-09-28 (catalog-reported, not verified on chain)

Category (keyword rule) dev-tools/utilities

Templated path no

x402Version in catalog 2

Service name / tags JSON Validate, Repair, Convert, · json, validate json, json validator, repair json, fix broken json

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 47

Payments 85

USDC volume $0.87

Median payment $0.01

First / last payment 2026-06-17 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "data": {
    "order": {
     "id": "A-1029",
     "items": [
      {
       "qty": 2,
       "sku": "BIL-CUE-07"
      },
      {
       "qty": 5,
       "sku": "BIL-CHALK-01"
      }
     ]
    }
   },
   "op": "query",
   "options": {
    "jsonpath": "$.order.items[*].sku"
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "api_version": "1.0.0",
   "match_count": 2,
   "matches": [
    {
     "path": "$.order.items[0].sku",
     "value": "BIL-CUE-07"
    },
    {
     "path": "$.order.items[1].sku",
     "value": "BIL-CHALK-01"
    }
   ],
   "op": "query",
   "valid": true
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://json-suite.underscoredone.com/json' -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/5d5f8b8d2c43/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"5d5f8b8d2c43"} 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 json-suite.underscoredone.com.