Discover / plumbing-calc.x402tookit.com

Plumbing & Pipe Flow Calc

■ Challenge detected

Flow rate in gpm and litres per minute from a bucket test: container volume and seconds to fill, with a daily-use estimate.

Listed price
$0.02
Challenge detected
1 of the last check
Median response
662 ms
Last checked
21 Oct, 00:26 UTC
In our index since
21 Oct 2026

Endpoint

curl -i https://plumbing-calc.x402tookit.com/bucket-test
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
8 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://plumbing-calc.x402tookit.com

  • GET/drain-slopeNo price listedFall needed for a drain run at a given slope in inches per foot, or the slope of a measured fall, with typical code minimums.
  • GET/tank-fill-timeNo price listedTime to fill or drain a tank from its volume or round tank size and flow in gpm, with an optional outflow.
  • GET/pipe-volumeNo price listedWater held in a run of pipe in gallons and litres per foot and in total, from nominal size or inside diameter.
  • GET/thermal-expansionNo price listedHow much a pipe run lengthens or shortens with temperature for copper, steel, PVC, CPVC, PEX or ABS, in inches and mm.
  • GET/bucket-testNo price listedFlow rate in gpm and litres per minute from a bucket test: container volume and seconds to fill, with a daily-use estimate.
  • GET/pressure-lossNo price listedFriction pressure loss in psi (and feet of head) over a pipe run by the Hazen-Williams formula, from flow, size and C factor.
  • GET/pipe-sizeNo price listedSmallest standard copper Type L or PVC Schedule 40 pipe that keeps water under a maximum velocity at your flow rate.
  • GET/flow-velocityNo price listedWater velocity in feet per second from flow in gpm and pipe size, or the flow a pipe carries at a chosen velocity.

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

Showing 8 of 8 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/plumbing-calc.x402tookit.com

Recent checks

21 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.21 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
21 Oct, 00:26 UTCChallenge detected402662ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 21 Oct, 00:26 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 Plumbing & Pipe Flow Calc?

Its listed price is $0.02.

What payment terms does Plumbing & Pipe Flow Calc advertise?

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

Where is Plumbing & Pipe Flow Calc listed?

In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.

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