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📊 Intel view 📋 Audit JSON 🔄 Changelog
60
💰 Paid API

plumbing-calc.x402tookit.com

plumbing-calc.x402tookit.com · plumbing-calc.x402tookit.com
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Trust score
60/100
grade C · 3 of 9 criteria apply
Uptime
not graded
catalogue listing · no agent card to probe
Observed inflow · 30d
not yet measured
wallet declared · scan pending
Invocations · 7d
0
no calls observed
Listing drift · 7d
stable
1 snapshot tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

C
Conformance score: 60/100
Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (24 of 40 points, scaled to 100); the A2A card criteria do not apply.
click to expand breakdown ▾ click to collapse breakdown ▴
n/a Agent card n/a
Not applicable: a paid API listed by agentic.market. The host serves no A2A agent card at /.well-known/agent-card.json, so the card criteria are not scored.
partial Live endpoint 15/25
Our probe received an HTTP 402 payment challenge from the host: live, but paid.
n/a Protocol version n/a
Not applicable: no A2A agent card served.
n/a JWS signature n/a
Not applicable: no A2A agent card served.
n/a Uptime track record n/a
Not applicable: our probes looked for an A2A agent card, which this host does not serve. That says nothing about the API's availability, so it is not graded.
n/a Skill declaration n/a
Not applicable: no A2A agent card served.
partial Verified Identity 5/10
Provider declared: plumbing-calc.x402tookit.com (https://plumbing-calc.x402tookit.com). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
n/a Security declaration n/a
Not applicable: no A2A agent card served.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Listing history

1 snapshot Every change to the catalogue entry
Agent card snapshots
Captured Hash Snapshot
2026-10-21 05:06:03 current 2e066ca84858… view →
Uptime
not graded
catalogue listing · no agent card to probe
Response
—
last direct probe
Skills
0
declared
Streaming
—
SSE-capable

Endpoints

Pricing x402 on Base USDC Verified live · 402 challenge Dispute or improve this rating
From $0.0200 per call
Endpoint Price Currency
https://plumbing-calc.x402tookit.com/pipe-size 0.02 USDC
https://plumbing-calc.x402tookit.com/bucket-test 0.02 USDC
https://plumbing-calc.x402tookit.com/drain-slope 0.02 USDC
https://plumbing-calc.x402tookit.com/flow-velocity — USDC
https://plumbing-calc.x402tookit.com/pipe-volume — USDC
https://plumbing-calc.x402tookit.com/pressure-loss — USDC
https://plumbing-calc.x402tookit.com/tank-fill-time — USDC
https://plumbing-calc.x402tookit.com/thermal-expansion — USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0xb531320805c5bed1d46aeadcf4f008fdf172dbda on Base · basescan ↗
Listed by facilitators Coinbase CDP · 8
Agent cardhttps://plumbing-calc.x402tookit.com
Providerhttps://plumbing-calc.x402tookit.com
Docshttps://plumbing-calc.x402tookit.com
Discovered via
agentic_market recrawl_paid

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-10-21 06:32:06 404 — —

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[![A2A version](https://agenstry.com/badge/plumbing-calc.x402tookit.com/protocol.svg)](https://agenstry.com/agents/plumbing-calc.x402tookit.com)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON 
{
  "_source": "agentic.market",
  "service": {
    "id": "plumbing-calc-x402tookit-com",
    "name": "plumbing-calc.x402tookit.com",
    "description": "",
    "domain": "plumbing-calc.x402tookit.com",
    "provider": "plumbing-calc.x402tookit.com",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base",
      "eip155:137",
      "eip155:42161",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://plumbing-calc.x402tookit.com/bucket-test",
        "description": "Flow rate in gpm and litres per minute from a bucket test: container volume and seconds to fill, with a daily-use estimate.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "seconds",
            "type": "number",
            "description": "",
            "example": 30,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "unit",
            "type": "string",
            "description": "",
            "example": "gal",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "volume",
            "type": "number",
            "description": "",
            "example": 5,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "flow-rate",
          "bucket-test",
          "well"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://plumbing-calc.x402tookit.com/drain-slope",
        "description": "Fall needed for a drain run at a given slope in inches per foot, or the slope of a measured fall, with typical code minimums.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "inchesPerFoot",
            "type": "number",
            "description": "",
            "example": 0.25,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "pipeDiameterInches",
            "type": "number",
            "description": "",
            "example": 2,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "runFeet",
            "type": "number",
            "description": "",
            "example": 20,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "drain",
          "slope",
          "fall"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://plumbing-calc.x402tookit.com/flow-velocity",
        "description": "Water velocity in feet per second from flow in gpm and pipe size, or the flow a pipe carries at a chosen velocity.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "flowGpm",
            "type": "number",
            "description": "",
            "example": 5,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "material",
            "type": "string",
            "description": "",
            "example": "pvc-40",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "nominalSize",
            "type": "string",
            "description": "",
            "example": "3/4",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "velocity",
          "gpm",
          "pipe-flow"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://plumbing-calc.x402tookit.com/pipe-size",
        "description": "Smallest standard copper Type L or PVC Schedule 40 pipe that keeps water under a maximum velocity at your flow rate.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "flowGpm",
            "type": "number",
            "description": "",
            "example": 10,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "material",
            "type": "string",
            "description": "",
            "example": "copper-l",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "maxVelocityFps",
            "type": "number",
            "description": "",
            "example": 5,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "pipe-sizing",
          "velocity",
          "gpm"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://plumbing-calc.x402tookit.com/pipe-volume",
        "description": "Water held in a run of pipe in gallons and litres per foot and in total, from nominal size or inside diameter.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "lengthFeet",
            "type": "number",
            "description": "",
            "example": 100,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "material",
            "type": "string",
            "description": "",
            "example": "copper-l",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "nominalSize",
            "type": "string",
            "description": "",
            "example": "3/4",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "pipe",
          "volume",
          "gallons"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://plumbing-calc.x402tookit.com/pressure-loss",
        "description": "Friction pressure loss in psi (and feet of head) over a pipe run by the Hazen-Williams formula, from flow, size and C factor.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "flowGpm",
            "type": "number",
            "description": "",
            "example": 10,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "lengthFeet",
            "type": "number",
            "description": "",
            "example": 100,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "material",
            "type": "string",
            "description": "",
            "example": "copper-l",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "nominalSize",
            "type": "string",
            "description": "",
            "example": "3/4",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "pressure-drop",
          "hazen-williams",
          "head-loss"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://plumbing-calc.x402tookit.com/tank-fill-time",
        "description": "Time to fill or drain a tank from its volume or round tank size and flow in gpm, with an optional outflow.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "inflowGpm",
            "type": "number",
            "description": "",
            "example": 5,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "volumeGallons",
            "type": "number",
            "description": "",
            "example": 50,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "tank",
          "fill-time",
          "flow"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://plumbing-calc.x402tookit.com/thermal-expansion",
        "description": "How much a pipe run lengthens or shortens with temperature for copper, steel, PVC, CPVC, PEX or ABS, in inches and mm.",
        "pricing": {
          "amount": "0.02",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [
          {
            "group": "query",
            "name": "fromF",
            "type": "number",
            "description": "",
            "example": 50,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "lengthFeet",
            "type": "number",
            "description": "",
            "example": 100,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "material",
            "type": "string",
            "description": "",
            "example": "copper",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "query",
            "name": "toF",
            "type": "number",
            "description": "",
            "example": 120,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "Plumbing & Pipe Flow Calc",
        "tags": [
          "plumbing",
          "expansion",
          "thermal",
          "pipe"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.02",
      "maxAmount": "0.02",
      "avgCostPerTransaction": "0.02",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "Plumbing & Pipe Flow Calc",
    "tags": [
      "plumbing",
      "flow-rate",
      "bucket-test",
      "well",
      "drain",
      "slope",
      "fall",
      "velocity",
      "gpm",
      "pipe-flow",
      "pipe-sizing",
      "pipe",
      "volume",
      "gallons",
      "pressure-drop",
      "hazen-williams",
      "head-loss",
      "tank",
      "fill-time",
      "flow",
      "expansion",
      "thermal"
    ],
    "iconUrl": ""
  }
}