API reference

Domain Similarity API

Find domains similar to a given domain based on name patterns and keywords. Use this reference to choose an operation and integrate its documented response contract.

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Operations

GET /v1/similarity View API reference

GET `/v1/similarity`

Operation: getDomainSimilarity Credits and authentication: 2 Authentication required

GET /v1/similarity

Query Parameters

Parameter	Type	required
domain1	string	required
domain2	string	required

Response Fields

Field	Type
`domain1`	string
`domain2`	string
`overall_similarity`	number
`risk_level`	string
`analysis`	object
`analysis.levenshtein_distance`	integer
`analysis.levenshtein_similarity`	number
`analysis.jaro_winkler_similarity`	number
`analysis.visual_similarity`	number
`analysis.keyboard_distance`	number
`analysis.common_prefix_length`	integer
`analysis.common_suffix_length`	integer
`matching_methods[]`	string[]
`is_potential_typosquat`	boolean
`checked_at`	string
`meta`	object

Example Request

curl -H "X-API-Key: $DOMSCAN_API_KEY" "https://domscan.net/v1/similarity?domain1=example.com&domain2=example.com"

Example Response

{
  "domain1": "example.com",
  "domain2": "example.com",
  "overall_similarity": 1,
  "risk_level": "none",
  "analysis": {
    "levenshtein_distance": 1,
    "levenshtein_similarity": 1,
    "jaro_winkler_similarity": 1,
    "visual_similarity": 1,
    "keyboard_distance": 1,
    "common_prefix_length": 1,
    "common_suffix_length": 1
  },
  "matching_methods": [
    "string"
  ],
  "is_potential_typosquat": true,
  "checked_at": "2026-04-15T12:00:00Z",
  "meta": {}
}

Reference resources

OpenAPI 3.0 Postman MCP