Agent Exchange x402 census and directory

x402 census · agentpay.tools · 54f09ffeba9e · JSON

POST /tools/pre_trade_check/call

live

Pre-trade risk check for AI agents trading crypto: live orderbook slippage at YOUR size, side-aware funding carry, open-interest crowding, and optional contract security — composed into a single ok/caution/avoid verdict with per-factor reasons and raw data embedded. Answers 'is this trade sane?' before trading, not after. Replaces four API integrations plus the judgment layer.

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

FieldValue
URLhttps://agentpay.tools/tools/pre_trade_check/call
MethodPOST
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts stacks:1
payTo0xE8B25A72dD6aeF69515452a61AD231C7DF2843b7
Selleragentpay.tools
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 counters32 calls and 15 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagsAgentPay Pre-Trade Risk Check · trading, trade, risk, slippage, pre-trade-check

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:12:14.195Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inbody
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"10000","payTo":"0xE8B25A72dD6aeF69515452a61AD231C7DF2843b7","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 headerno
WWW-Authenticate offernone
Content type / server / CORSapplication/json / cloudflare / none
Latency6,643 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 payers9
Payments19
USDC volume$0.19
Median payment$0.01
First / last payment2026-07-12 / 2026-09-27
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xE8B25A72dD6aeF69515452a61AD231C7DF2843b7

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "parameters": {
    "side": "long",
    "size_usd": 50000,
    "symbol": "ETH"
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 425
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://agentpay.tools/tools/pre_trade_check/call' -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/54f09ffeba9e/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"54f09ffeba9e"} 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 agentpay.tools.