Gross rent multiplier (GRM) API

GRM = price / gross annual rent, with a cheap/typical/expensive rating — a fast price-relative-to-rent screen. Answers 'gross rent multiplier on this listing', 'is a 13x GRM expensive', 'how many years of gross rent equal the price'.

Price$0.01per request

MethodPOST

Route/v1/calc/re-gross-rent-multiplier

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

real-estategrmgross-rent-multiplierrentvaluationscreenfinancecalc

API URLhttps://x402.hexl.dev/v1/calc/re-gross-rent-multiplier

Integration docs

Example request

{
  "price": 400000,
  "monthlyRent": 2500
}

Example response

{
  "price": 400000,
  "grossAnnualRent": 30000,
  "grossRentMultiplier": 13.33,
  "rating": "expensive (>12)",
  "yearsOfRentToPayOff": 13.33
}

Input schema

{
  "type": "object",
  "required": [
    "price",
    "monthlyRent"
  ],
  "properties": {
    "price": {
      "type": "number",
      "examples": [
        400000
      ]
    },
    "monthlyRent": {
      "type": "number",
      "examples": [
        2500
      ]
    }
  }
}

Output schema

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