Agent Exchange x402 census and directory

x402 census · api.vextorium.com · 1cc95caac935 · JSON

POST /calculadora-il-pago

unprobed

Impermanent loss calculator for Uniswap v2 (full range) and v3/v4 concentrated ranges: IL vs holding, out-of-range flag and final token mix.

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

FieldValue
URLhttps://api.vextorium.com/calculadora-il-pago
MethodPOST
Price$0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf
Sellerapi.vextorium.com
Catalogscdp (row updated 2026-09-29)
Listed since (lower bound)2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-29
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain)
Category (keyword rule)crypto-data
Templated pathno
x402Version in catalog2
Service name / tagsVextorium · impermanent-loss, uniswap, liquidity, defi, calculator

Unpaid probe (census of )

FieldValue
Probenot 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)

FieldValue
Distinct payers1
Payments1
USDC volume$0.003
Median payment$0.003
First / last payment2026-09-29 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf (contract: CoinbaseSmartWallet)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "precio_final": 2600,
   "precio_inicial": 2000,
   "rango_max": 2400,
   "rango_min": 1800
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "cambio_precio_pct": 30,
   "composicion_final": {
    "token0_pct": 0,
    "token1_pct": 100
   },
   "fuera_de_rango": true,
   "nota": "Perdida frente a mantener los tokens, sin contar comisiones. Fuera de rango la posicion...",
   "perdida_impermanente_pct": -10.8289,
   "rango": [
    1800
   ],
   "tipo": "rango concentrado (Uniswap v3/v4)"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.vextorium.com/calculadora-il-pago' -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/1cc95caac935/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"1cc95caac935"} 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 api.vextorium.com.