{
  "x402Version": 2,
  "id": 26528,
  "slug": "26528",
  "resource": "https://headers.use.x402atlas.com/",
  "description": "Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.",
  "type": "http",
  "serviceName": "HTTP Security Headers Check",
  "resourceType": "Agent Service",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x7f8043c400799643bcb62B41B84b297a8Ecb7b9c",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0x7f8043c400799643bcb62B41B84b297a8Ecb7b9c",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0x7f8043c400799643bcb62B41B84b297a8Ecb7b9c",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "10000",
      "amountUsd": 0.01,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "headers": {
            "description": "Graded, normalized security headers. Each field is null when the header is absent from the response",
            "properties": {
              "content_security_policy": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "permissions_policy": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "referrer_policy": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "server": {
                "description": "Server header value, if disclosed by the target",
                "type": [
                  "string",
                  "null"
                ]
              },
              "strict_transport_security": {
                "properties": {
                  "include_subdomains": {
                    "type": "boolean"
                  },
                  "max_age": {
                    "description": "Parsed max-age in seconds; null if absent or unparseable",
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "preload": {
                    "type": "boolean"
                  },
                  "value": {
                    "description": "Raw Strict-Transport-Security header value",
                    "type": "string"
                  }
                },
                "type": [
                  "object",
                  "null"
                ]
              },
              "x_content_type_options": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "x_frame_options": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "x_powered_by": {
                "description": "X-Powered-By header value, if disclosed by the target",
                "type": [
                  "string",
                  "null"
                ]
              }
            },
            "type": "object"
          },
          "queried_at": {
            "description": "UTC timestamp the audit was performed",
            "format": "date-time",
            "type": "string"
          },
          "status_code": {
            "description": "HTTP status code returned by the target for the HEAD request",
            "type": "integer"
          },
          "url": {
            "description": "The audited URL, exactly as given",
            "type": "string"
          },
          "warnings": {
            "description": "Human-readable posture advisories, e.g. missing or weak headers",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "url",
          "status_code",
          "queried_at",
          "headers",
          "warnings"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "category": "domain-intelligence",
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "url": "https://example.com/"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "headers": {
              "content_security_policy": "default-src 'self'",
              "permissions_policy": null,
              "referrer_policy": "strict-origin-when-cross-origin",
              "server": null,
              "strict_transport_security": {
                "include_subdomains": true,
                "max_age": 31536000,
                "preload": false,
                "value": "max-age=31536000; includeSubDomains"
              },
              "x_content_type_options": "nosniff",
              "x_frame_options": "DENY",
              "x_powered_by": null
            },
            "queried_at": "2026-07-03T12:00:00Z",
            "status_code": 200,
            "url": "https://example.com/",
            "warnings": [
              "no Permissions-Policy header (powerful browser features are not restricted)"
            ]
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "url": {
                    "description": "Absolute http/https URL to audit. Host must be a hostname (not an IP literal), not \"localhost\", and not under a reserved suffix (.local, .internal, .localdomain, .lan, .test). Non-default ports must be allowlisted. Redirects are not followed.",
                    "format": "uri",
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "headers": {
                    "description": "Graded, normalized security headers. Each field is null when the header is absent from the response",
                    "properties": {
                      "content_security_policy": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "permissions_policy": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "referrer_policy": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "server": {
                        "description": "Server header value, if disclosed by the target",
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "strict_transport_security": {
                        "properties": {
                          "include_subdomains": {
                            "type": "boolean"
                          },
                          "max_age": {
                            "description": "Parsed max-age in seconds; null if absent or unparseable",
                            "type": [
                              "integer",
                              "null"
                            ]
                          },
                          "preload": {
                            "type": "boolean"
                          },
                          "value": {
                            "description": "Raw Strict-Transport-Security header value",
                            "type": "string"
                          }
                        },
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "x_content_type_options": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "x_frame_options": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "x_powered_by": {
                        "description": "X-Powered-By header value, if disclosed by the target",
                        "type": [
                          "string",
                          "null"
                        ]
                      }
                    },
                    "type": "object"
                  },
                  "queried_at": {
                    "description": "UTC timestamp the audit was performed",
                    "format": "date-time",
                    "type": "string"
                  },
                  "status_code": {
                    "description": "HTTP status code returned by the target for the HEAD request",
                    "type": "integer"
                  },
                  "url": {
                    "description": "The audited URL, exactly as given",
                    "type": "string"
                  },
                  "warnings": {
                    "description": "Human-readable posture advisories, e.g. missing or weak headers",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "required": [
                  "url",
                  "status_code",
                  "queried_at",
                  "headers",
                  "warnings"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "tags": [
        "http",
        "headers",
        "security",
        "hsts",
        "csp",
        "x-frame-options",
        "posture"
      ]
    }
  },
  "tags": [
    "http",
    "headers",
    "security",
    "hsts",
    "csp",
    "bazaar"
  ],
  "sourceHost": "headers.use.x402atlas.com",
  "lastUpdated": "2026-10-12T04:06:51.464Z",
  "quality": {
    "calls30d": 26,
    "uniquePayers30d": 12,
    "lastCalledAt": "2026-10-12T04:06:51.326Z"
  },
  "metadata": {
    "serviceName": "HTTP Security Headers Check",
    "extensions": {
      "bazaar": {
        "category": "domain-intelligence",
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://example.com/"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "headers": {
                "content_security_policy": "default-src 'self'",
                "permissions_policy": null,
                "referrer_policy": "strict-origin-when-cross-origin",
                "server": null,
                "strict_transport_security": {
                  "include_subdomains": true,
                  "max_age": 31536000,
                  "preload": false,
                  "value": "max-age=31536000; includeSubDomains"
                },
                "x_content_type_options": "nosniff",
                "x_frame_options": "DENY",
                "x_powered_by": null
              },
              "queried_at": "2026-07-03T12:00:00Z",
              "status_code": 200,
              "url": "https://example.com/",
              "warnings": [
                "no Permissions-Policy header (powerful browser features are not restricted)"
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "url": {
                      "description": "Absolute http/https URL to audit. Host must be a hostname (not an IP literal), not \"localhost\", and not under a reserved suffix (.local, .internal, .localdomain, .lan, .test). Non-default ports must be allowlisted. Redirects are not followed.",
                      "format": "uri",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "headers": {
                      "description": "Graded, normalized security headers. Each field is null when the header is absent from the response",
                      "properties": {
                        "content_security_policy": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "permissions_policy": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "referrer_policy": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "server": {
                          "description": "Server header value, if disclosed by the target",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "strict_transport_security": {
                          "properties": {
                            "include_subdomains": {
                              "type": "boolean"
                            },
                            "max_age": {
                              "description": "Parsed max-age in seconds; null if absent or unparseable",
                              "type": [
                                "integer",
                                "null"
                              ]
                            },
                            "preload": {
                              "type": "boolean"
                            },
                            "value": {
                              "description": "Raw Strict-Transport-Security header value",
                              "type": "string"
                            }
                          },
                          "type": [
                            "object",
                            "null"
                          ]
                        },
                        "x_content_type_options": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "x_frame_options": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "x_powered_by": {
                          "description": "X-Powered-By header value, if disclosed by the target",
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "type": "object"
                    },
                    "queried_at": {
                      "description": "UTC timestamp the audit was performed",
                      "format": "date-time",
                      "type": "string"
                    },
                    "status_code": {
                      "description": "HTTP status code returned by the target for the HEAD request",
                      "type": "integer"
                    },
                    "url": {
                      "description": "The audited URL, exactly as given",
                      "type": "string"
                    },
                    "warnings": {
                      "description": "Human-readable posture advisories, e.g. missing or weak headers",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "url",
                    "status_code",
                    "queried_at",
                    "headers",
                    "warnings"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "http",
          "headers",
          "security",
          "hsts",
          "csp",
          "x-frame-options",
          "posture"
        ]
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "headers.use.x402atlas.com",
    "manifest_name": "headers.use.x402atlas.com",
    "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": {
    "headers": {
      "content_security_policy": "default-src 'self'",
      "permissions_policy": null,
      "referrer_policy": "strict-origin-when-cross-origin",
      "server": null,
      "strict_transport_security": {
        "include_subdomains": true,
        "max_age": 31536000,
        "preload": false,
        "value": "max-age=31536000; includeSubDomains"
      },
      "x_content_type_options": "nosniff",
      "x_frame_options": "DENY",
      "x_powered_by": null
    },
    "queried_at": "2026-07-03T12:00:00Z",
    "status_code": 200,
    "url": "https://example.com/",
    "warnings": [
      "no Permissions-Policy header (powerful browser features are not restricted)"
    ]
  }
}