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Evidence row 3763595

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://api.findmydirectdoctor.com/v1/costs/care
Recorded
Previous row
#751131
Body SHA-256
53e226a08b952dd7a718812531a5e46a2002fc0e3658870f591008821f62ae03
Leaf
0xf43e407a3f7fce54ee479461a1336913008fb6dd9f0594b163d5c1ef96a9a78d

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.findmydirectdoctor.com/v1/costs/care"
    ]
  ],
  "name": "FindMyDirectDoctor Directory API",
  "owner_address": "0xdf0102f7e02be8e80212698c38180adae3e01365",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xdF0102F7E02be8e80212698C38180ADAE3e01365",
        "scheme": "exact"
      }
    ],
    "description": "Doctor visit, CT scan, surgery or birth control cost without insurance. Cash and self-pay prices for everyday care, such as a doctor visit, colonoscopy, a surgery, a device or a vaccine, from 61 published Foundation guides. Every price figure keeps its quoted sentence, its basis (Medicare payment, posted clinic price, study figure) and its source link, plus price drivers, lower-cost routes and questions for getting a quote. Physician-reviewed, FindMyDirectDoctor Foundation.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "category": "service",
              "topic": "ekg"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "credit": "Physician-reviewed, FindMyDirectDoctor Foundation",
              "data_as_of": "2026-10-28",
              "disclaimer": "General information quoted from published guides. Not medical, legal or tax advice. In an emergency call 911.",
              "facts": [
                {
                  "quote": "Once you meet it, you may pay coinsurance, which is a share of the bill such as 20 percent.",
                  "section": "How your plan treats an EKG",
                  "source_url": "https://www.healthcare.gov/glossary/co-insurance/"
                }
              ],
              "group": "service",
              "guide": {
                "last_reviewed": "2026-10-23",
                "slug": "ekg-cost-without-insurance",
                "title": "How much an EKG costs, with or without insurance",
                "url": "https://findmydirectdoctor.org/guides/ekg-cost-without-insurance/"
              },
              "guide_url": "https://findmydirectdoctor.org/guides/ekg-cost-without-insurance/",
              "how_to_get_a_quote": [],
              "last_reviewed": "2026-10-23",
              "lower_cost_routes": [],
              "price_drivers": [],
              "price_points": [
                {
                  "amounts_usd": [
                    185,
                    112,
                    286
                  ],
                  "as_of": null,
                  "basis": "provider_posted_price",
                  "basis_label": "price posted by a named provider (confirm before booking)",
                  "is_cash_price": true,
                  "national_representative": false,
                  "quote": "In 2026, the US middle posted cash price for the hospital's part of an EKG tracing was $185, and the middle half of hospitals posted between $112 and $286.",
                  "section": "quick answer",
                  "source_url": null
                }
              ],
              "price_status": "has_price_points",
              "price_status_note": "The guide states price figures. Each keeps its basis label.",
              "query": {
                "category": "service",
                "matched_by": "prefix",
                "matched_slug": "ekg-cost-without-insurance",
                "topic": "ekg"
              },
              "quick_answer": "In 2026, the US middle posted cash price for the hospital's part of an EKG tracing was $185, and the middle half of hospitals posted between $112 and $286. That price covers the tracing only, so the doctor's reading of it may come as a separate bill. If you have chest pain, call 911 first and deal with the cost later.",
              "related": [
                {
                  "slug": "er-without-insurance",
                  "url": "https://findmydirectdoctor.org/guides/er-without-insurance/"
                }
              ],
              "source": "FindMyDirectDoctor Foundation guides (findmydirectdoctor.org/guides)",
              "sources": [
                {
                  "publisher": "pmc.ncbi.nlm.nih.gov",
                  "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC8693213/"
                }
              ],
              "steps": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "category": {
                      "description": "Only look among this kind of guide. Leave out to search all four.",
                      "enum": [
                        "service",
                        "device",
                        "procedure",
                        "vaccine"
                      ],
                      "type": "string"
                    },
                    "topic": {
                      "description": "The care, as a guide slug (ekg-cost-without-insurance), a short name (colonoscopy, flu shot) or plain words. GET /v1/guides/index lists the guides.",
                      "maxLength": 120,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "topic"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
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              },
              "required": [
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                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "credit": {
                      "description": "Physician-reviewed, FindMyDirectDoctor Foundation",
                      "type": "string"
                    },
                    "data_as_of": {
                      "type": "string"
                    },
                    "disclaimer": {
                      "type": "string"
                    },
                    "facts": {
                      "items": {
                        "properties": {
                          "quote": {
                            "type": "string"
                          },
                          "section": {
                            "type": "string"
                          },
                          "source_url": {
                            "type": [
                              "string",
                              "null"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "group": {
                      "type": "string"
                    },
                    "guide": {
                      "description": "The guide the answer comes from.",
                      "properties": {
                        "last_reviewed": {
                          "type": "string"
                        },
                        "slug": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
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                        "url": {
                          "type": "string"
                        }
                      },
                      "required": [
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                        "url",
                        "last_reviewed"
                      ],
                      "type": "object"
                    },
                    "guide_url": {
                      "description": "Public page of the guide.",
                      "type": "string"
                    },
                    "how_to_get_a_quote": {
                      "items": {
                        "properties": {
                          "items": {
                            "items": {
                              "type": "string"
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                            "type": "array"
                          },
                          "section": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "last_reviewed": {
                      "description": "Review date of the guide (YYYY-MM-DD).",
                      "type": "string"
                    },
                    "lower_cost_routes": {
                      "items": {
                        "properties": {
                          "items": {
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          },
                          "section": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "price_drivers": {
                      "items": {
                        "properties": {
                          "items": {
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          },
                          "section": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "price_points": {
                      "items": {
                        "properties": {
                          "amounts_usd": {
                            "items": {
                              "type": "number"
                            },
                            "type": "array"
                          },
                          "as_of": {
                            "type": [
                              "string",
                              "null"
                            ]
                          },
                          "basis": {
                            "description": "Machine name of the basis.",
                            "type": "string"
                          },
                          "basis_label": {
                            "description": "What kind of figure this is, in plain words. A Medicare payment or a drug acquisition cost is not a cash price.",
                            "type": "string"
                          },
                          "is_cash_price": {
                            "type": [
                              "boolean",
                              "null"
                            ]
                          },
                          "quote": {
                            "description": "The sentence from the guide that states the figure.",
                            "type": "string"
                          },
                          "section": {
                            "type": "string"
                          },
                          "source_url": {
                            "type": [
                              "string",
                              "null"
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                        },
                        "required": [
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                          "amounts_usd",
                          "basis",
                          "basis_label"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "price_status": {
                      "type": "string"
                    },
                    "price_status_note": {
                      "type": "string"
                    },
                    "query": {
                      "description": "The request as understood, with the guide it matched.",
                      "type": "object"
                    },
                    "quick_answer": {
                      "type": "string"
                    },
                    "related": {
                      "items": {
                        "properties": {
                          "slug": {
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                          "url": {
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                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "source": {
                      "type": "string"
                    },
                    "sources": {
                      "items": {
                        "properties": {
                          "publisher": {
                            "type": "string"
                          },
                          "url": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "steps": {
                      "items": {
                        "properties": {
                          "items": {
                            "items": {
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                            "type": "array"
                          },
                          "section": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
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                    "guide_url",
                    "last_reviewed",
                    "quick_answer",
                    "price_points",
                    "credit",
                    "data_as_of"
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                  "type": "object"
                },
                "type": {
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                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793129241/bazaar-icons/e5667360930b8563.png",
    "lastUpdated": "2026-11-06T14:00:58.725Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-06T14:00:58.539Z"
    },
    "resource": "https://api.findmydirectdoctor.com/v1/costs/care",
    "serviceName": "FindMyDirectDoctor Directory API",
    "tags": [
      "healthcare",
      "uninsured",
      "healthcare-access",
      "cash-pay",
      "hospital-prices"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Doctor visit, CT scan, surgery or birth control cost without insurance. Cash and self-pay prices for everyday care, such as a doctor visit, colonoscopy, a surgery, a device or a vaccine, from 61 published Foundation guides. Every price figure keeps its quoted sentence, its basis (Medicare payment, posted clinic price, study figure) and its source link, plus price drivers, lower-cost routes and questions for getting a quote. Physician-reviewed, FindMyDirectDoctor Foundation."
}

What the leaf hashes

{"body":"53e226a08b952dd7a718812531a5e46a2002fc0e3658870f591008821f62ae03","id":3763595,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996546180777,"prev":751131,"subject":"x402_bazaar:https://api.findmydirectdoctor.com/v1/costs/care","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0xf43edf608b2a34226711ca14e58946cea735b600f7890e9612ae650ef81d9dd8
  2. 0xf99e404bb5990a5f7289b2abc821e2977c4d67d8af5f5b432dd7b31388efa85e
  3. 0xa0559fcc2daa9cd8c48c8eb8a01f3863c5f447b9835db0a4273fe54214f80058
  4. 0x6c29e69148f51c404b3c50b628cd424fc93bc2773d16910cabb7e9bcc9a68cc1
  5. 0xfa5a77821bd4ce347b22e3475dee02da3f7115c73245e97afdfb723c52164f1e
  6. 0xe37d60d07898cc9bcacc5d77712a7b753db1cfee461a7d1328622dc59ad49706
  7. 0xc63738c1cb077512a3c1acb963c2ac43ed057db4223d0c9377a84ff9e3958ede
  8. 0x6a764a54c22b94320a92dfdf710e8a0747248744a333c923542d292d124d49ef
  9. 0x9ed43b10287c88449aa082d99726f06f401114a44bcb3dfb16b7859896680a3a
  10. 0xf50965e0f78c28ccb32d9bc4b83529ed673564cdd031b7fc25d0788d1712d88c
  11. 0x5dcf6a49ec7cd650188cdc7fe122def20502f062d9651d8e33bb2d225300c6f9
  12. 0x3755ecc2b74a47614d1506c910fce7698f7e4284f166bd85bc9a7c4b1b8f9578
  13. 0xa5dc4fb3a7ae09f3d06c57adbff25da103da7a1961739da10aa705af4b5cc1ed
  14. 0xadb9e5d5e78a6ef642bc8b18b9f3dd14d6e5d20536651d3ce85fec62d35a6aba
  15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
  16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
  17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON