{
  "x402Version": 2,
  "id": 2597,
  "slug": "2597",
  "resource": "https://apiacre.com/v1/web/email-auth",
  "description": "Check a public domain's email authentication and anti-spoofing posture using MX, SPF, DMARC, caller-selected DKIM, MTA-STS, TLS-RPT, and BIMI DNS evidence.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xa0BFa4f07281c9b248DC3AED2217836BcA24869B",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "B4CHWQeQn7GDLZD2aW6hpGG2bEseisBFLZYECA3HDLan",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "dkim_selectors": [
              "protonmail"
            ],
            "domain": "apiacre.com"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "checkedAt": "2026-08-12T18:03:16+00:00",
              "collectionMs": 19,
              "dkim": {
                "checked": true,
                "checkedSelectors": [
                  "protonmail"
                ],
                "reason": null,
                "selectors": [
                  {
                    "configured": true,
                    "multipleRecords": false,
                    "recordCount": 1,
                    "revoked": false,
                    "selector": "protonmail"
                  }
                ]
              },
              "dmarc": {
                "configured": true,
                "multipleRecords": false,
                "policy": "quarantine",
                "recordCount": 1,
                "records": [
                  "v=DMARC1; p=quarantine"
                ]
              },
              "domain": "apiacre.com",
              "findings": [],
              "limitations": [
                "DNS answers are a time-specific recursive-resolver snapshot and may be cached.",
                "DKIM is checked only for selectors explicitly supplied by the caller.",
                "Published records do not prove delivery, domain ownership, sender identity, o..."
              ],
              "mailRouting": {
                "addressFallbackObserved": true,
                "mode": "explicit_mx",
                "mxRecords": [
                  "10 mail.protonmail.ch.",
                  "20 mailsec.protonmail.ch."
                ],
                "nullMx": false
              },
              "optionalPolicies": {
                "bimi": {
                  "configured": false,
                  "recordCount": 0,
                  "records": []
                },
                "mtaSts": {
                  "configured": false,
                  "recordCount": 0,
                  "records": []
                },
                "tlsReporting": {
                  "configured": false,
                  "recordCount": 0,
                  "records": []
                }
              },
              "posture": {
                "basis": "published DNS records only",
                "status": "enforcing"
              },
              "provenance": {
                "queries": [
                  "apiacre.com A",
                  "apiacre.com AAAA",
                  "apiacre.com MX",
                  "apiacre.com TXT",
                  "_dmarc.apiacre.com TXT",
                  "protonmail._domainkey.apiacre.com TXT",
                  "_mta-sts.apiacre.com TXT",
                  "_smtp._tls.apiacre.com TXT",
                  "default._bimi.apiacre.com TXT"
                ],
                "queryCount": 9,
                "source": "recursive DNS"
              },
              "spf": {
                "allQualifier": "softfail",
                "configured": true,
                "multipleRecords": false,
                "recordCount": 1,
                "records": [
                  "v=spf1 include:_spf.protonmail.ch ~all"
                ]
              }
            },
            "meta": {
              "cached": false,
              "duration_ms": 42,
              "next_actions": [],
              "sources": [],
              "warnings": []
            },
            "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
            "service": "web.email-auth",
            "version": "1"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "dkim_selectors": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "domain": {
                    "type": "string"
                  }
                },
                "required": [
                  "domain"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "data": {
                    "additionalProperties": false,
                    "properties": {
                      "checkedAt": {
                        "type": "string"
                      },
                      "collectionMs": {
                        "type": "integer"
                      },
                      "dkim": {
                        "type": "object"
                      },
                      "dmarc": {
                        "type": "object"
                      },
                      "domain": {
                        "type": "string"
                      },
                      "findings": {
                        "items": {
                          "type": "object"
                        },
                        "type": "array"
                      },
                      "limitations": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "mailRouting": {
                        "type": "object"
                      },
                      "optionalPolicies": {
                        "type": "object"
                      },
                      "posture": {
                        "type": "object"
                      },
                      "provenance": {
                        "type": "object"
                      },
                      "spf": {
                        "type": "object"
                      }
                    },
                    "required": [
                      "domain",
                      "mailRouting",
                      "spf",
                      "dmarc",
                      "dkim",
                      "optionalPolicies",
                      "posture",
                      "findings",
                      "provenance",
                      "limitations",
                      "checkedAt",
                      "collectionMs"
                    ],
                    "type": "object"
                  },
                  "meta": {
                    "properties": {
                      "cached": {
                        "type": "boolean"
                      },
                      "duration_ms": {
                        "type": "integer"
                      },
                      "next_actions": {
                        "items": {
                          "type": "object"
                        },
                        "type": "array"
                      },
                      "sources": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "warnings": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      }
                    },
                    "required": [
                      "duration_ms",
                      "cached",
                      "sources",
                      "warnings",
                      "next_actions"
                    ],
                    "type": "object"
                  },
                  "request_id": {
                    "type": "string"
                  },
                  "service": {
                    "type": "string"
                  },
                  "version": {
                    "type": "string"
                  }
                },
                "required": [
                  "request_id",
                  "service",
                  "version",
                  "data",
                  "meta"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "payment-identifier": {
      "info": {
        "required": false
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "payment-identifier"
  ],
  "sourceHost": "apiacre.com",
  "lastUpdated": "2026-08-31T16:17:45.085Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-08-31T16:17:44.843Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "apiacre.com",
    "manifest_name": "apiacre.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}