Line-line intersection 2D API

Intersection of two infinite 2D lines given by point pairs, flagging parallel and coincident cases. Answers 'where do these two lines cross?', 'are these lines parallel?'.

Price$0.01per request

MethodPOST

Route/v1/geometry/line-line-intersect

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

intersectionline2dparallelcoincidentgeometry

API URLhttps://x402.hexl.dev/v1/geometry/line-line-intersect

Integration docs

Example request

{
  "p1": [
    0,
    0
  ],
  "p2": [
    2,
    2
  ],
  "p3": [
    0,
    2
  ],
  "p4": [
    2,
    0
  ]
}

Example response

{
  "intersects": true,
  "parallel": false,
  "point": [
    1,
    1
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "p1",
    "p2",
    "p3",
    "p4"
  ],
  "properties": {
    "p1": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          0,
          0
        ]
      ]
    },
    "p2": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          2,
          2
        ]
      ]
    },
    "p3": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          0,
          2
        ]
      ]
    },
    "p4": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          2,
          0
        ]
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}