Agent Exchange x402 census and directory

x402 census · market2000.xyz · f39692da88a3 · JSON

POST /optimize_portfolio

unprobed

Portfolio Optimizer — Markowitz mean-variance optimization for a basket of assets. HOW TO CALL: POST /optimize_portfolio?tickers=AAPL,MSFT,NVDA,SPY&period=1y&objective=max_sharpe PARAMETERS: tickers — comma-separated list of 2–30 ticker symbols (required) period — historical window: '6mo' | '1y' (default) | '2y' | '3y' | '5y' objective — 'max_sharpe' (default) | 'min_volatility' | 'max_return' ri…

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://market2000.xyz/optimize_portfolio
MethodPOST
Price$0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x7a9Fa18dd9402F8d8C55Afbd59ED707BAc0e9cAf
Sellermarket2000.xyz
Catalogspayai (row updated 2026-08-29)
Listed since (lower bound)2026-08-29 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-08-29
CDP quality countersnot in the CDP catalog
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsnone

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$0.001
Median payment$0.001
First / last payment2026-09-17 / 2026-09-17
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x7a9Fa18dd9402F8d8C55Afbd59ED707BAc0e9cAf

Try it (unpaid: shows the 402)

curl -si -X POST 'https://market2000.xyz/optimize_portfolio' -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/f39692da88a3/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"f39692da88a3"} 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: PayAI listing status · this record as JSON · all resources on market2000.xyz.