Discover / x402.presenceoperations.com

x402.presenceoperations.com

■ Challenge detected

What it costs to hold a perpetual position: the venue's current hourly funding signed for your side, projected over your horizon in your own units, with the mark-to-oracle basis, open interest, and the assumption behind the projection stated rather than implied.

x402
Base
USDC
market-data

Listed price: $0.01
Challenge detected: 8 of the last 8 checks
Median response: 396 ms
Last checked: 16 Oct, 23:40 UTC
In our index since: 7 Oct 2026

Endpoint

curl -i https://x402.presenceoperations.com/services/carry-cost
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

2 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://x402.presenceoperations.com/services

GET/carry-cost$0.01What it costs to hold a perpetual position: the venue's current hourly funding signed for your side, projected over your horizon in your own units, with the mark-to-oracle basis, open interest, and the assumption behind the projection stated rather than implied.
GET/execution-cost$0.0048What it would cost to execute a given notional in a given market right now: size-weighted fill price, slippage from the touch in basis points, and whether the visible book can absorb the size at all.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 2 of 2 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402.presenceoperations.com

Recent checks

7 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.16 Oct 2026

All 8 checks

When (UTC)	Result	HTTP	Response
16 Oct, 23:40 UTC	Challenge detected	402	354ms
15 Oct, 19:10 UTC	Challenge detected	402	410ms
14 Oct, 14:31 UTC	Challenge detected	402	612ms
12 Oct, 06:05 UTC	Challenge detected	402	150ms
10 Oct, 15:44 UTC	Challenge detected	402	320ms
9 Oct, 12:40 UTC	Challenge detected	402	518ms
8 Oct, 09:33 UTC	Challenge detected	402	428ms
7 Oct, 06:40 UTC	Challenge detected	402	382ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402.presenceoperations.com?

Its listed price is $0.01.

What payment terms does x402.presenceoperations.com 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 x402.presenceoperations.com listed?

In x402 Bazaar. Superstables first indexed it on 7 Oct 2026.

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