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API Data Types Reference ​

Complete reference for all data structures used in SPYDER's APIs, including JSON schemas, validation rules, and examples.

Core Entity Types ​

Domain Node (NodeDomain) ​

Represents a domain name entity in the internet infrastructure graph.

JSON Schema ​

json
{
  "type": "object",
  "required": ["host", "apex", "first_seen", "last_seen"],
  "properties": {
    "host": {
      "type": "string",
      "pattern": "^[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?))*$",
      "maxLength": 253,
      "description": "Fully qualified domain name"
    },
    "apex": {
      "type": "string", 
      "pattern": "^[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?))*$",
      "description": "Root/apex domain (e.g., 'example.com' for 'sub.example.com')"
    },
    "first_seen": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp of first observation"
    },
    "last_seen": {
      "type": "string", 
      "format": "date-time",
      "description": "ISO 8601 timestamp of last observation"
    }
  }
}

Example ​

json
{
  "host": "mail.example.com",
  "apex": "example.com", 
  "first_seen": "2023-12-01T14:30:00Z",
  "last_seen": "2023-12-01T14:30:00Z"
}

Validation Rules ​

  • Host Format: Valid DNS hostname (RFC 1123)
  • Apex Derivation: Must be valid public suffix + 1 label
  • Timestamp Order: first_seen ≤ last_seen
  • Length Limits: Host ≤ 253 characters, labels ≤ 63 characters

IP Address Node (NodeIP) ​

Represents an IPv4 or IPv6 address entity.

JSON Schema ​

json
{
  "type": "object",
  "required": ["ip", "first_seen", "last_seen"],
  "properties": {
    "ip": {
      "type": "string",
      "oneOf": [
        {"format": "ipv4"},
        {"format": "ipv6"}
      ],
      "description": "IPv4 or IPv6 address"
    },
    "first_seen": {
      "type": "string",
      "format": "date-time"
    },
    "last_seen": {
      "type": "string",
      "format": "date-time"
    }
  }
}

Examples ​

json
// IPv4 Example
{
  "ip": "192.0.2.1",
  "first_seen": "2023-12-01T14:30:00Z",
  "last_seen": "2023-12-01T14:30:00Z"
}

// IPv6 Example
{
  "ip": "2001:db8::1",
  "first_seen": "2023-12-01T14:30:00Z", 
  "last_seen": "2023-12-01T14:30:00Z"
}

Validation Rules ​

  • IP Format: Valid IPv4 (RFC 791) or IPv6 (RFC 4291) address
  • Normalization: IPv6 addresses should be canonical form
  • Private Ranges: Private/reserved ranges may be filtered
  • Timestamp Order: first_seen ≤ last_seen

Certificate Node (NodeCert) ​

Represents a TLS certificate entity identified by its SPKI hash.

JSON Schema ​

json
{
  "type": "object",
  "required": ["spki_sha256", "subject_cn", "issuer_cn", "not_before", "not_after"],
  "properties": {
    "spki_sha256": {
      "type": "string",
      "pattern": "^[A-Za-z0-9+/]+=*$",
      "description": "Base64-encoded SHA-256 of Subject Public Key Info"
    },
    "subject_cn": {
      "type": "string",
      "maxLength": 256,
      "description": "Certificate subject common name"
    },
    "issuer_cn": {
      "type": "string", 
      "maxLength": 256,
      "description": "Certificate issuer common name"
    },
    "not_before": {
      "type": "string",
      "format": "date-time",
      "description": "Certificate validity start time"
    },
    "not_after": {
      "type": "string",
      "format": "date-time", 
      "description": "Certificate validity end time"
    }
  }
}

Example ​

json
{
  "spki_sha256": "YLh1dUR9y6Kja30RrAn7JKnbQG/uEtLMkBgFF2Fuihg=",
  "subject_cn": "*.example.com",
  "issuer_cn": "Let's Encrypt Authority X3",
  "not_before": "2023-11-01T00:00:00Z",
  "not_after": "2024-01-29T23:59:59Z"
}

Validation Rules ​

  • SPKI Format: Valid Base64 encoding, 44 characters (32 bytes)
  • CN Length: Subject/Issuer CN ≤ 256 characters
  • Validity Period: not_before < not_after
  • Time Range: Certificate times within reasonable bounds

Relationship Edge Type (Edge) ​

Represents directed relationships between entities in the internet infrastructure graph.

JSON Schema ​

json
{
  "type": "object", 
  "required": ["type", "source", "target", "observed_at", "probe_id", "run_id"],
  "properties": {
    "type": {
      "type": "string",
      "enum": ["RESOLVES_TO", "USES_NS", "ALIAS_OF", "USES_MX", "LINKS_TO", "USES_CERT"],
      "description": "Relationship type"
    },
    "source": {
      "type": "string",
      "maxLength": 512,
      "description": "Source entity identifier"
    },
    "target": {
      "type": "string", 
      "maxLength": 512,
      "description": "Target entity identifier"
    },
    "observed_at": {
      "type": "string",
      "format": "date-time",
      "description": "When relationship was observed"
    },
    "probe_id": {
      "type": "string",
      "pattern": "^[a-zA-Z0-9-_]+$",
      "maxLength": 64,
      "description": "Probe instance identifier"
    },
    "run_id": {
      "type": "string",
      "pattern": "^[a-zA-Z0-9-_]+$", 
      "maxLength": 64,
      "description": "Probe run identifier"
    }
  }
}

Edge Type Definitions ​

RESOLVES_TO - DNS A/AAAA Records ​

  • Source: Domain name (e.g., example.com)
  • Target: IP address (e.g., 192.0.2.1)
  • Description: Domain resolves to IP address via A or AAAA record
json
{
  "type": "RESOLVES_TO",
  "source": "example.com",
  "target": "192.0.2.1", 
  "observed_at": "2023-12-01T14:30:00Z",
  "probe_id": "probe-1",
  "run_id": "run-20231201-143000"
}

USES_NS - DNS NS Records ​

  • Source: Domain name (e.g., example.com)
  • Target: Nameserver hostname (e.g., ns1.example.com)
  • Description: Domain uses nameserver for DNS resolution
json
{
  "type": "USES_NS",
  "source": "example.com", 
  "target": "ns1.example.com",
  "observed_at": "2023-12-01T14:30:00Z",
  "probe_id": "probe-1",
  "run_id": "run-20231201-143000"
}

ALIAS_OF - DNS CNAME Records ​

  • Source: Domain name (e.g., www.example.com)
  • Target: Canonical domain name (e.g., example.com)
  • Description: Domain is an alias (CNAME) of target domain
json
{
  "type": "ALIAS_OF",
  "source": "www.example.com",
  "target": "example.com",
  "observed_at": "2023-12-01T14:30:00Z", 
  "probe_id": "probe-1",
  "run_id": "run-20231201-143000"
}

USES_MX - DNS MX Records ​

  • Source: Domain name (e.g., example.com)
  • Target: Mail server hostname (e.g., mail.example.com)
  • Description: Domain uses mail server for email delivery
json
{
  "type": "USES_MX",
  "source": "example.com",
  "target": "mail.example.com",
  "observed_at": "2023-12-01T14:30:00Z",
  "probe_id": "probe-1", 
  "run_id": "run-20231201-143000"
}
  • Source: Domain name (e.g., example.com)
  • Target: External domain name (e.g., partner.com)
  • Description: Source domain contains HTML links to target domain
json
{
  "type": "LINKS_TO",
  "source": "example.com",
  "target": "partner.com",
  "observed_at": "2023-12-01T14:30:00Z",
  "probe_id": "probe-1",
  "run_id": "run-20231201-143000"
}

USES_CERT - TLS Certificate Usage ​

  • Source: Domain name (e.g., example.com)
  • Target: Certificate SPKI hash (e.g., YLh1dUR9y6Kja30RrAn7JKnbQG/uEtLMkBgFF2Fuihg=)
  • Description: Domain presents TLS certificate during handshake
json
{
  "type": "USES_CERT", 
  "source": "example.com",
  "target": "YLh1dUR9y6Kja30RrAn7JKnbQG/uEtLMkBgFF2Fuihg=",
  "observed_at": "2023-12-01T14:30:00Z",
  "probe_id": "probe-1",
  "run_id": "run-20231201-143000"
}

Batch Container Type (Batch) ​

Container for submitting collections of nodes and edges in a single API call.

JSON Schema ​

json
{
  "type": "object",
  "required": ["probe_id", "run_id", "nodes_domain", "nodes_ip", "nodes_cert", "edges"],
  "properties": {
    "probe_id": {
      "type": "string",
      "pattern": "^[a-zA-Z0-9-_]+$",
      "maxLength": 64,
      "description": "Probe instance identifier"
    },
    "run_id": {
      "type": "string", 
      "pattern": "^[a-zA-Z0-9-_]+$",
      "maxLength": 64,
      "description": "Probe run identifier"  
    },
    "nodes_domain": {
      "type": "array",
      "items": {"$ref": "#/definitions/NodeDomain"},
      "maxItems": 10000,
      "description": "Array of domain nodes"
    },
    "nodes_ip": {
      "type": "array",
      "items": {"$ref": "#/definitions/NodeIP"},
      "maxItems": 10000,
      "description": "Array of IP address nodes"
    },
    "nodes_cert": {
      "type": "array",
      "items": {"$ref": "#/definitions/NodeCert"}, 
      "maxItems": 10000,
      "description": "Array of certificate nodes"
    },
    "edges": {
      "type": "array", 
      "items": {"$ref": "#/definitions/Edge"},
      "maxItems": 50000,
      "description": "Array of relationship edges"
    }
  }
}

Example Complete Batch ​

json
{
  "probe_id": "prod-us-west-1",
  "run_id": "run-20231201-143000",
  "nodes_domain": [
    {
      "host": "example.com",
      "apex": "example.com",
      "first_seen": "2023-12-01T14:30:00Z",
      "last_seen": "2023-12-01T14:30:00Z"
    },
    {
      "host": "mail.example.com", 
      "apex": "example.com",
      "first_seen": "2023-12-01T14:30:00Z",
      "last_seen": "2023-12-01T14:30:00Z"
    }
  ],
  "nodes_ip": [
    {
      "ip": "192.0.2.1",
      "first_seen": "2023-12-01T14:30:00Z",
      "last_seen": "2023-12-01T14:30:00Z"
    }
  ],
  "nodes_cert": [
    {
      "spki_sha256": "YLh1dUR9y6Kja30RrAn7JKnbQG/uEtLMkBgFF2Fuihg=",
      "subject_cn": "*.example.com",
      "issuer_cn": "Let's Encrypt Authority X3", 
      "not_before": "2023-11-01T00:00:00Z",
      "not_after": "2024-01-29T23:59:59Z"
    }
  ],
  "edges": [
    {
      "type": "RESOLVES_TO",
      "source": "example.com",
      "target": "192.0.2.1",
      "observed_at": "2023-12-01T14:30:00Z",
      "probe_id": "prod-us-west-1",
      "run_id": "run-20231201-143000"
    },
    {
      "type": "USES_CERT",
      "source": "example.com",
      "target": "YLh1dUR9y6Kja30RrAn7JKnbQG/uEtLMkBgFF2Fuihg=",
      "observed_at": "2023-12-01T14:30:00Z", 
      "probe_id": "prod-us-west-1",
      "run_id": "run-20231201-143000"
    }
  ]
}

Validation Rules ​

  • Batch Size: Maximum 50,000 edges and 10,000 nodes per type
  • Consistency: All edges must reference valid probe_id and run_id
  • Entity References: Edge source/target must correspond to included or existing entities
  • Timestamp Consistency: Batch timestamps should be within reasonable range

Common Patterns ​

Timestamp Format ​

All timestamps use ISO 8601 format with UTC timezone:

YYYY-MM-DDTHH:MM:SSZ

Identifier Patterns ​

  • Probe ID: ^[a-zA-Z0-9-_]+$ (alphanumeric, hyphen, underscore)
  • Run ID: ^[a-zA-Z0-9-_]+$ (alphanumeric, hyphen, underscore)
  • Domain Names: RFC 1123 compliant hostnames
  • IP Addresses: RFC 791 (IPv4) or RFC 4291 (IPv6) compliant

Size Limits ​

  • Domain Names: 253 characters maximum
  • IP Addresses: Standard IPv4/IPv6 format limits
  • Certificate CN: 256 characters maximum
  • SPKI Hash: 44 characters (Base64 of 32 bytes)
  • Batch Items: 50,000 edges, 10,000 nodes per type