x402 census · x402.agentutility.ai · c48269e45f98 · JSON

POST /tool-call-diff

unprobed

Compare two agent run sequences and see how their tool calls differ. Send before and after arrays of tool calls (name/args or tool/arguments shape) and get back which calls were added, removed, or reordered, plus per-call argument drift with the exact changed argument paths from a deep compare. The result is exact and reproducible: the same replay comparison always returns the same diff. Built fo…

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://x402.agentutility.ai/tool-call-diff

Method POST

Price $0.008 USDC = 8000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

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

payTo 0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621

Seller x402.agentutility.ai

Catalogs cdp (row updated 2026-09-04)

Listed since (lower bound) 2026-09-04 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-04

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-04 (catalog-reported, not verified on chain)

Category (keyword rule) agent-services

Templated path no

x402Version in catalog 2

Service name / tags AgentUtility.ai · agentops, tool, call, diff

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 114

Payments 1,728

USDC volume $15.93

Median payment $0.01

First / last payment 2026-06-09 / 2026-09-20

Sampler-shaped share of payments 99.9%

Payers that are not samplers 1

Source forensics-2026-09-30

Address 0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "after": [
    {
     "args": {
      "limit": 10,
      "q": "world"
     },
     "name": "search"
    },
    {
     "args": {
      "url": "https://example.com"
     },
     "name": "fetch"
    }
   ],
   "before": [
    {
     "args": {
      "limit": 10,
      "q": "hello"
     },
     "name": "search"
    },
    {
     "args": {
      "url": "https://example.com"
     },
     "name": "fetch"
    }
   ]
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "added": [],
   "after_count": 2,
   "arg_drifted": [
    {
     "arg_diffs": [
      {
       "after": "world",
       "before": "hello",
       "path": "$.q"
      }
     ],
     "index_after": 0,
     "index_before": 0,
     "name": "search"
    }
   ],
   "before_count": 2,
   "identical": false,
   "removed": [],
   "reordered": [],
   "unchanged_count": 1
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://x402.agentutility.ai/tool-call-diff' -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/c48269e45f98/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c48269e45f98"} 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 x402.agentutility.ai.