Adverse event reports for a drug or medical device from the FDA's FAERS and MAUDE systems:

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x917e635b83F0dd7e8172c55EC4EEbb28B734cA85",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "device": "insulin pump",
          "drug": "ibuprofen",
          "limit": 10
        },
        "type": "http"
      },
      "output": {
        "example": {
          "caveat": "Voluntary reports. A report does not establish that the product caused the event.",
          "mostReported": "NAUSEA",
          "query": {
            "drug": "ibuprofen",
            "limit": 10
          },
          "topReactions": [
            {
              "reaction": "NAUSEA",
              "reports": 3120
            },
            {
              "reaction": "DIZZINESS",
              "reports": 2044
            }
          ],
          "totalReports": 48211
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "device": {
                  "description": "Device generic name.",
                  "examples": [
                    "insulin pump"
                  ],
                  "type": "string"
                },
                "drug": {
                  "description": "Brand or generic drug name. Either drug or device is required.",
                  "examples": [
                    "ibuprofen"
                  ],
                  "type": "string"
                },
                "limit": {
                  "description": "Max ranked reactions, 1-50. Default 10.",
                  "examples": [
                    10
                  ],
                  "type": "integer"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://x402-filings.datalayer.workers.dev/v1/fda/adverse-events"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://x402-filings.datalayer.workers.dev/v1/fda/adverse-events");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://x402-filings.datalayer.workers.dev/v1/fda/adverse-events")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header