{
  "openapi": "3.1.0",
  "info": {
    "title": "HumanMirror M2M Payload Normalizer",
    "version": "2.0.0",
    "description": "Deterministic canonical JSON normalizer with a bounded public benchmark quota and x402 Base/USDC transition. Legacy compatibility surface: paid x402 challenges use a 5.000 USDC minimum floor. Canonical bundle: https://humanmirror.fr/api/v1/agent/data-quality/"
  },
  "servers": [
    {
      "url": "https://humanmirror.fr"
    }
  ],
  "paths": {
    "/api/v1/m2m/payload-normalizer/": {
      "get": {
        "operationId": "discoverPayloadNormalizer",
        "responses": {
          "200": {
            "description": "Discovery metadata"
          }
        },
        "x-humanmirror-paid-price-usdc": "5.000",
        "x-humanmirror-canonical-bundle": "https://humanmirror.fr/api/v1/agent/data-quality/"
      },
      "post": {
        "operationId": "normalizeM2MPayload",
        "parameters": [
          {
            "name": "PAYMENT-SIGNATURE",
            "in": "header",
            "required": false,
            "schema": {
              "type": "string"
            }
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "required": [
                  "payload"
                ],
                "properties": {
                  "payload": {},
                  "options": {
                    "type": "object",
                    "properties": {
                      "trim_strings": {
                        "type": "boolean",
                        "default": true
                      },
                      "drop_nulls": {
                        "type": "boolean",
                        "default": false
                      },
                      "key_case": {
                        "type": "string",
                        "enum": [
                          "preserve",
                          "snake_case"
                        ],
                        "default": "preserve"
                      }
                    },
                    "additionalProperties": false
                  }
                },
                "additionalProperties": false
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Canonical normalized payload"
          },
          "400": {
            "description": "Invalid or oversized payload"
          },
          "402": {
            "description": "Free/test quota exhausted; x402 payment required at the 5.000 USDC compatibility floor",
            "headers": {
              "PAYMENT-REQUIRED": {
                "schema": {
                  "type": "string"
                }
              }
            }
          },
          "503": {
            "description": "Quota or payment facilitator unavailable"
          }
        },
        "x-humanmirror-paid-price-usdc": "5.000",
        "x-humanmirror-canonical-bundle": "https://humanmirror.fr/api/v1/agent/data-quality/"
      }
    }
  },
  "externalDocs": {
    "url": "https://humanmirror.fr/.well-known/payload-normalizer.json"
  },
  "x-humanmirror-canonical-bundle": "https://humanmirror.fr/api/v1/agent/data-quality/"
}