{
  "x402Version": 2,
  "id": 29480,
  "slug": "29480",
  "resource": "https://netintel.dev/email-auth",
  "description": "Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / anti-phishing readiness for any sending domain.",
  "type": "http",
  "serviceName": "NetIntel",
  "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784214098/bazaar-icons/7d2bf437631b2e4e.png",
  "resourceType": "Identity & Enrichment",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "8FVeybWnB4dYrxTuPK7WzFZNAiEcFVaDLFnKpRwVGr5s",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "deductions": {
            "type": "array"
          },
          "dkim": {
            "type": "object"
          },
          "dmarc": {
            "type": "object"
          },
          "domain": {
            "type": "string"
          },
          "grade": {
            "type": "string"
          },
          "resolves": {
            "description": "Whether the domain has mail infrastructure (MX/A) — false adds a -100 no-mail-infrastructure deduction",
            "type": "boolean"
          },
          "score": {
            "type": "number"
          },
          "spf": {
            "type": "object"
          }
        },
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "domain": "example.com"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "deductions": [],
            "dkim": {
              "found": true,
              "issues": [],
              "records": [
                {
                  "issues": [],
                  "key_length_bits": 2048,
                  "key_type": "rsa",
                  "record": "v=DKIM1; k=rsa; p=MIIBIjAN...",
                  "selector": "google"
                }
              ],
              "selectors_checked": [
                "default",
                "google"
              ]
            },
            "dmarc": {
              "found": true,
              "issues": [],
              "pct": 100,
              "policy": "reject",
              "record": "v=DMARC1; p=reject; rua=mailto:dmarc@example.com; ruf=mailto:forensic@example.com",
              "rua": [
                "mailto:dmarc@example.com"
              ],
              "ruf": [
                "mailto:forensic@example.com"
              ],
              "subdomain_policy": null
            },
            "domain": "example.com",
            "grade": "A",
            "resolves": true,
            "score": 100,
            "spf": {
              "all_qualifier": "-all",
              "dns_lookup_count": 1,
              "found": true,
              "issues": [],
              "mechanisms": [
                "include:_spf.google.com"
              ],
              "record": "v=spf1 include:_spf.google.com -all"
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "dkim_selectors": {
                    "description": "Optional list of DKIM selectors to probe (defaults to common selectors)",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "domain": {
                    "description": "Domain to validate email authentication for (e.g. example.com)",
                    "type": "string"
                  }
                },
                "required": [
                  "domain"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "deductions": {
                    "type": "array"
                  },
                  "dkim": {
                    "type": "object"
                  },
                  "dmarc": {
                    "type": "object"
                  },
                  "domain": {
                    "type": "string"
                  },
                  "grade": {
                    "type": "string"
                  },
                  "resolves": {
                    "description": "Whether the domain has mail infrastructure (MX/A) — false adds a -100 no-mail-infrastructure deduction",
                    "type": "boolean"
                  },
                  "score": {
                    "type": "number"
                  },
                  "spf": {
                    "type": "object"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "email deliverability check",
    "spf dkim dmarc",
    "domain email security",
    "dmarc check",
    "email spoofing check",
    "bazaar"
  ],
  "sourceHost": "netintel.dev",
  "lastUpdated": "2026-10-14T01:03:29.16Z",
  "quality": {
    "calls30d": 401,
    "uniquePayers30d": 5,
    "lastCalledAt": "2026-10-14T00:56:01.615Z"
  },
  "metadata": {
    "serviceName": "NetIntel",
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784214098/bazaar-icons/7d2bf437631b2e4e.png",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "deductions": [],
              "dkim": {
                "found": true,
                "issues": [],
                "records": [
                  {
                    "issues": [],
                    "key_length_bits": 2048,
                    "key_type": "rsa",
                    "record": "v=DKIM1; k=rsa; p=MIIBIjAN...",
                    "selector": "google"
                  }
                ],
                "selectors_checked": [
                  "default",
                  "google"
                ]
              },
              "dmarc": {
                "found": true,
                "issues": [],
                "pct": 100,
                "policy": "reject",
                "record": "v=DMARC1; p=reject; rua=mailto:dmarc@example.com; ruf=mailto:forensic@example.com",
                "rua": [
                  "mailto:dmarc@example.com"
                ],
                "ruf": [
                  "mailto:forensic@example.com"
                ],
                "subdomain_policy": null
              },
              "domain": "example.com",
              "grade": "A",
              "resolves": true,
              "score": 100,
              "spf": {
                "all_qualifier": "-all",
                "dns_lookup_count": 1,
                "found": true,
                "issues": [],
                "mechanisms": [
                  "include:_spf.google.com"
                ],
                "record": "v=spf1 include:_spf.google.com -all"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "dkim_selectors": {
                      "description": "Optional list of DKIM selectors to probe (defaults to common selectors)",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "domain": {
                      "description": "Domain to validate email authentication for (e.g. example.com)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "deductions": {
                      "type": "array"
                    },
                    "dkim": {
                      "type": "object"
                    },
                    "dmarc": {
                      "type": "object"
                    },
                    "domain": {
                      "type": "string"
                    },
                    "grade": {
                      "type": "string"
                    },
                    "resolves": {
                      "description": "Whether the domain has mail infrastructure (MX/A) — false adds a -100 no-mail-infrastructure deduction",
                      "type": "boolean"
                    },
                    "score": {
                      "type": "number"
                    },
                    "spf": {
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "netintel.dev",
    "manifest_name": "netintel.dev",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {
      "deductions": [
        "value"
      ],
      "dkim": {},
      "dmarc": {},
      "domain": "string",
      "grade": "string",
      "resolves": true,
      "score": 0,
      "spf": {}
    },
    "type": "string"
  }
}