Agent Exchange x402 census and directory

x402 census · agent402.tools · 48ae80276111 · JSON

POST /api/forecast-holt

live

Holt's linear trend method - level + trend (no seasonality). Two smoothing parameters: alpha (level) and beta (trend). Forecast extrapolates as a straight line from the last fitted level along the last fitted trend, so it grows or shrinks linearly with horizon. Use this when your series has a persistent up/down trend but no seasonal cycle (e.g. a SaaS MRR climb, a deflating cohort retention curve…

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

Facts from the catalogs

FieldValue
URLhttps://agent402.tools/api/forecast-holt
MethodPOST
Price$0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts eip155:137, eip155:42161, eip155:143, eip155:43114, eip155:1329, eip155:10, eip155:4663, eip155:42220, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, stellar:pubnet
payTo0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Selleragent402.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 counters1 calls and 1 unique payers in 30 days, last call 2026-09-21 (catalog-reported, not verified on chain)
Category (keyword rule)trading-signals
Templated pathno
x402Version in catalog2
Service name / tagsForecast (Holt linear trend) · data, forecast, timeseries, holt, exponential-smoothing

Unpaid probe (census of 2026-09-30)

FieldValue
Probed at2026-09-30T23:46:25.913Z
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":"1000","payTo":"0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0","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 offerPayment id="OvJ-LABN6zrV7oFasIETZ9YJwzqg
Content type / server / CORSapplication/json / railway-hikari / *
Latency1,462 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 payers120
Payments1,253
USDC volume$12.29
Median payment$0.003
First / last payment2026-06-18 / 2026-09-30
Sampler-shaped share of payments61.8%
Payers that are not samplers2
Sourceforensics-2026-09-30
Address0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "alpha": 0.5,
   "beta": 0.3,
   "horizon": 3,
   "values": [
    100,
    105,
    111,
    118,
    124,
    131,
    137,
    144,
    150,
    157
   ]
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "alpha": 0.5,
   "beta": 0.3,
   "forecast": [
    {
     "lower95": 161.6463,
     "point": 163.2012,
     "step": 1,
     "upper95": 164.756
    },
    {
     "lower95": 167.8871,
     "point": 169.7416,
     "step": 2,
     "upper95": 171.596
    },
    {
     "lower95": 174.049,
     "point": 176.282,
     "step": 3,
     "upper95": 178.515
    }
   ],
   "horizon": 3,
   "method": "holt",
   "n": 10
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://agent402.tools/api/forecast-holt' -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/48ae80276111/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"48ae80276111"} 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 agent402.tools.