Discover / www.u2a.com.au

U2A

□ No challenge detected

Deterministic, no-LLM portfolio performance attribution. Send position start/end values, dated cash flows and a period; receive Modified Dietz and money-weighted XIRR returns against BTC, ETH, stETH or any benchmark you supply prices for, plus per-position contribution and alpha. Every input and output carries a caller-asserted data-quality status with reasons. Each result comes with a calculation hash, optionally EIP-191 signed, for audit and verification.

x402
Base
USDC

Listed price: $0.03
Challenge detected: 0 of the last check
Last checked: 15 Oct, 00:26 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://www.u2a.com.au/api/mcp/portfolio-attribution
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/www.u2a.com.au

Recent checks

15 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.15 Oct 2026

All 1 checks

When (UTC)	Result	HTTP	Response
15 Oct, 00:26 UTC	No challenge detected	405	89ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 15 Oct, 00:26 UTC, we detected no payment challenge.

What price is recorded for U2A?

Its listed price is $0.03.

What payment terms does U2A advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is U2A listed?

In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

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