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Evidence row 73178

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://data.spencermcw.com/v1/drug/nadac
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
4a5f09cb47519461a956427f32b6b9f920d3503c4d41be9803d12789aa78b131
Leaf
0xb04c09316e10fb2f11dc9b19b41d58946849d49afc7d0a0473c31283fe4bf769

What was observed

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    [
      "x402",
      "https://data.spencermcw.com/v1/drug/nadac"
    ]
  ],
  "name": "data.spencermcw.com/v1/drug/nadac",
  "owner_address": "0xe6900ae625875b748f56fb45c3e06a59be8870df",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xE6900aE625875b748f56Fb45C3e06a59Be8870DF",
        "scheme": "exact"
      }
    ],
    "description": "What do US pharmacies pay for this drug? CMS’s National Average Drug Acquisition Cost (NADAC) per unit for an NDC, the generic’s NADAC for a brand and the weekly price history since January 2025, from CMS’s NADAC files on data.medicaid.gov. Updated weekly. $0.01 per call (x402, USDC on Base); 3 free calls a day.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "ndc": "00378410591"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "classification": "G",
                "corresponding_generic": null,
                "current": {
                  "as_of": "2026-10-21",
                  "effective_date": "2026-10-21",
                  "explanation_codes": [
                    "1"
                  ],
                  "nadac_per_unit": "0.55226"
                },
                "description": "ABACAVIR 300 MG TABLET",
                "history": [
                  {
                    "effective_date": "2026-10-21",
                    "first_as_of": "2026-10-21",
                    "last_as_of": "2026-10-21",
                    "nadac_per_unit": "0.55226",
                    "weeks": 1
                  },
                  {
                    "effective_date": "2026-09-23",
                    "first_as_of": "2026-09-23",
                    "last_as_of": "2026-10-14",
                    "nadac_per_unit": "0.54555",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2026-08-19",
                    "first_as_of": "2026-08-19",
                    "last_as_of": "2026-09-16",
                    "nadac_per_unit": "0.53801",
                    "weeks": 5
                  },
                  {
                    "effective_date": "2026-07-22",
                    "first_as_of": "2026-07-22",
                    "last_as_of": "2026-08-12",
                    "nadac_per_unit": "0.55679",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2026-06-17",
                    "first_as_of": "2026-06-17",
                    "last_as_of": "2026-07-15",
                    "nadac_per_unit": "0.60124",
                    "weeks": 5
                  },
                  {
                    "effective_date": "2026-05-20",
                    "first_as_of": "2026-05-20",
                    "last_as_of": "2026-06-10",
                    "nadac_per_unit": "0.64093",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2026-04-22",
                    "first_as_of": "2026-04-22",
                    "last_as_of": "2026-05-13",
                    "nadac_per_unit": "0.65861",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2026-03-18",
                    "first_as_of": "2026-03-18",
                    "last_as_of": "2026-04-15",
                    "nadac_per_unit": "0.65238",
                    "weeks": 5
                  },
                  {
                    "effective_date": "2026-02-18",
                    "first_as_of": "2026-02-18",
                    "last_as_of": "2026-03-11",
                    "nadac_per_unit": "0.64179",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2026-01-21",
                    "first_as_of": "2026-01-21",
                    "last_as_of": "2026-02-11",
                    "nadac_per_unit": "0.63114",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-12-17",
                    "first_as_of": "2025-12-17",
                    "last_as_of": "2026-01-14",
                    "nadac_per_unit": "0.62468",
                    "weeks": 5
                  },
                  {
                    "effective_date": "2025-11-19",
                    "first_as_of": "2025-11-19",
                    "last_as_of": "2025-12-10",
                    "nadac_per_unit": "0.62091",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-10-22",
                    "first_as_of": "2025-10-22",
                    "last_as_of": "2025-11-12",
                    "nadac_per_unit": "0.64489",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-09-17",
                    "first_as_of": "2025-09-17",
                    "last_as_of": "2025-10-15",
                    "nadac_per_unit": "0.67127",
                    "weeks": 5
                  },
                  {
                    "effective_date": "2025-08-20",
                    "first_as_of": "2025-08-20",
                    "last_as_of": "2025-09-10",
                    "nadac_per_unit": "0.68204",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-07-23",
                    "first_as_of": "2025-07-23",
                    "last_as_of": "2025-08-13",
                    "nadac_per_unit": "0.67582",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-06-18",
                    "first_as_of": "2025-06-18",
                    "last_as_of": "2025-07-16",
                    "nadac_per_unit": "0.66208",
                    "weeks": 5
                  },
                  {
                    "effective_date": "2025-05-21",
                    "first_as_of": "2025-05-21",
                    "last_as_of": "2025-06-11",
                    "nadac_per_unit": "0.6502",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-04-23",
                    "first_as_of": "2025-04-23",
                    "last_as_of": "2025-05-14",
                    "nadac_per_unit": "0.63617",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-03-19",
                    "first_as_of": "2025-03-19",
                    "last_as_of": "2025-04-16",
                    "nadac_per_unit": "0.61614",
                    "weeks": 5
                  },
                  {
                    "effective_date": "2025-02-19",
                    "first_as_of": "2025-02-19",
                    "last_as_of": "2025-03-12",
                    "nadac_per_unit": "0.60252",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2025-01-22",
                    "first_as_of": "2025-01-22",
                    "last_as_of": "2025-02-12",
                    "nadac_per_unit": "0.59565",
                    "weeks": 4
                  },
                  {
                    "effective_date": "2024-12-18",
                    "first_as_of": "2025-01-01",
                    "last_as_of": "2025-01-15",
                    "nadac_per_unit": "0.60042",
                    "weeks": 3
                  }
                ],
                "last_listed": {
                  "as_of": "2026-10-21",
                  "effective_date": "2026-10-21",
                  "nadac_per_unit": "0.55226"
                },
                "listed": true,
                "ndc": "00378410591",
                "otc": false,
                "pharmacy_type": "C/I",
                "pricing_unit": "EA",
                "same_description": {
                  "max": "0.55226",
                  "min": "0.55226",
                  "ndcs": 12
                }
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "ndc": {
                      "pattern": "^(\\d{11}|\\d{4,5}-\\d{3,4}-\\d{1,2})$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "ndc"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "additionalProperties": false,
                      "properties": {
                        "classification": {
                          "description": "G generic, B brand (as CMS classifies for rate setting).",
                          "type": "string"
                        },
                        "corresponding_generic": {
                          "anyOf": [
                            {
                              "additionalProperties": false,
                              "properties": {
                                "effective_date": {
                                  "type": [
                                    "string",
                                    "null"
                                  ]
                                },
                                "nadac_per_unit": {
                                  "type": "string"
                                }
                              },
                              "required": [
                                "nadac_per_unit",
                                "effective_date"
                              ],
                              "type": "object"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "current": {
                          "anyOf": [
                            {
                              "additionalProperties": false,
                              "properties": {
                                "as_of": {
                                  "type": "string"
                                },
                                "effective_date": {
                                  "type": "string"
                                },
                                "explanation_codes": {
                                  "items": {
                                    "type": "string"
                                  },
                                  "type": "array"
                                },
                                "nadac_per_unit": {
                                  "type": "string"
                                }
                              },
                              "required": [
                                "nadac_per_unit",
                                "effective_date",
                                "as_of",
                                "explanation_codes"
                              ],
                              "type": "object"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "description": {
                          "type": "string"
                        },
                        "history": {
                          "description": "Price periods, newest first: runs of weekly files with the same NADAC.",
                          "items": {
                            "additionalProperties": false,
                            "properties": {
                              "effective_date": {
                                "type": "string"
                              },
                              "first_as_of": {
                                "type": "string"
                              },
                              "last_as_of": {
                                "type": "string"
                              },
                              "nadac_per_unit": {
                                "type": "string"
                              },
                              "weeks": {
                                "maximum": 9007199254740991,
                                "minimum": -9007199254740991,
                                "type": "integer"
                              }
                            },
                            "required": [
                              "nadac_per_unit",
                              "effective_date",
                              "first_as_of",
                              "last_as_of",
                              "weeks"
                            ],
                            "type": "object"
                          },
                          "type": "array"
                        },
                        "last_listed": {
                          "additionalProperties": false,
                          "properties": {
                            "as_of": {
                              "type": "string"
                            },
                            "effective_date": {
                              "type": "string"
                            },
                            "nadac_per_unit": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "nadac_per_unit",
                            "effective_date",
                            "as_of"
                          ],
                          "type": "object"
                        },
                        "listed": {
                          "description": "Whether the NDC is in the latest weekly file.",
                          "type": "boolean"
                        },
                        "ndc": {
                          "type": "string"
                        },
                        "otc": {
                          "type": "boolean"
                        },
                        "pharmacy_type": {
                          "type": "string"
                        },
                        "pricing_unit": {
                          "description": "EA, ML or GM: the unit the NADAC is per.",
                          "type": "string"
                        },
                        "same_description": {
                          "additionalProperties": false,
                          "properties": {
                            "max": {
                              "type": "string"
                            },
                            "min": {
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                            },
                            "ndcs": {
                              "maximum": 9007199254740991,
                              "minimum": -9007199254740991,
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                        "history"
                      ],
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                    }
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                },
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                }
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              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T04:28:06.461Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T04:28:06.209Z"
    },
    "resource": "https://data.spencermcw.com/v1/drug/nadac",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "What do US pharmacies pay for this drug? CMS’s National Average Drug Acquisition Cost (NADAC) per unit for an NDC, the generic’s NADAC for a brand and the weekly price history since January 2025, from CMS’s NADAC files on data.medicaid.gov. Updated weekly. $0.01 per call (x402, USDC on Base); 3 free calls a day."
}

What the leaf hashes

{"body":"4a5f09cb47519461a956427f32b6b9f920d3503c4d41be9803d12789aa78b131","id":73178,"kind":"listing","method":"baseline/1","observed_us":1793025487127385,"prev":null,"subject":"x402_bazaar:https://data.spencermcw.com/v1/drug/nadac","subject_kind":"source_record"}

Proof

Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.

How to check it · This row as JSON