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checkid.co.za

Productivity & BusinessTools verifiedOct 1, 2026

Validate South African ID numbers free on checkid.co.za, with unlimited single web checks and no sign-up. POPIA-first structural validation with zero ID storage and no Home Affairs lookup.

validate_sa_idAnswer

Validate a South African ID number on CheckID: checks the 13-digit format, Luhn checksum, and decodes date of birth, age, gender, and citizenship status. Structural validation only — not a Home Affairs or government records check. The ID number was validated in memory and never stored.

View tool JSON

{
  "name": "validate_sa_id",
  "kind": "answer",
  "impl": "imperative",
  "description": "Validate a South African ID number on CheckID: checks the 13-digit format, Luhn checksum, and decodes date of birth, age, gender, and citizenship status. Structural validation only — not a Home Affairs or government records check. The ID number was validated in memory and never stored.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "idNumber": {
        "type": "string",
        "pattern": "^[0-9]{13}$",
        "description": "The 13-digit South African ID number to validate."
      }
    },
    "required": [
      "idNumber"
    ]
  }
}