Agent Exchange x402 census and directory

x402 census · onchainpulse.theaslangroupllc.com · 6eb093b54d4e · JSON

GET /api/exit-depth

live

Exit-depth / sell-impact estimator for Uniswap-v3-compatible AND v2-style (x·y=k) pools on 11 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche, Monad, World Chain, HyperEVM, Robinhood Chain): live pool state read from the contract (v3 sqrtPrice + in-range liquidity, or v2 reserves); tokens sellable at 1/2/5/10/25% price impact in tokens, quote and USD, %-of-supply framing, mani…

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

Facts from the catalogs

FieldValue
URLhttps://onchainpulse.theaslangroupllc.com/api/exit-depth
MethodGET
Price$0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, eip155:4663, eip155:137, eip155:42161, eip155:480, eip155:143, eip155:196, eip155:999, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k, xrpl:0, eip155:56
payTo0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
Selleronchainpulse.theaslangroupllc.com
Catalogscdp (row updated 2026-10-16)
Listed since (lower bound)2026-10-16 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-10-16
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-10-16 (catalog-reported, not verified on chain)
Category (keyword rule)inference/llm
Templated pathno
x402Version in catalog2
Service name / tagsOnchainPulse · exit-depth, liquidity, slippage, token-safety, uniswap-v3

Unpaid probe (census of 2026-10-22)

FieldValue
Probed at2026-10-22T00:25:46.494Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inbody
x402Version in the 4021
accepts[0]{"scheme":"exact","network":"base","amount":"20000","payTo":"0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402no
PAYMENT-REQUIRED headerno
WWW-Authenticate offernone
Content type / server / CORSapplication/json / Vercel / *
Latency244 ms
ErrorX-PAYMENT header is 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 payers109
Payments1,066
USDC volume$90.47
Median payment$0.08
First / last payment2026-06-09 / 2026-09-30
Sampler-shaped share of payments99.2%
Payers that are not samplers1
Sourceforensics-2026-09-30
Address0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc (contract: CaliburEntry)

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "chain": "base",
   "pool": "0x76Bf0abD20f1e0155Ce40A62615a90A709a6C3D8",
   "token": "0x532f27101965dd16442E59d40670FaF5eBB142E4"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 1163
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://onchainpulse.theaslangroupllc.com/api/exit-depth' -H 'accept: application/json'

The catalog declares GET. 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/6eb093b54d4e/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"6eb093b54d4e"} 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 onchainpulse.theaslangroupllc.com.