1% rule screen API

The 1% rule: monthly rent should be ≥ 1% of purchase price (configurable threshold), returning the required rent and pass/fail. A quick rental-viability filter. Answers 'does this pass the 1% rule', 'what rent do I need to hit 1% of price', 'is $2500 rent enough on a $300k house'.

Price$0.01per request

MethodPOST

Route/v1/calc/re-1pct-rule

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

real-estate1-percent-rulerentalscreenrentviabilityfinancecalc

API URLhttps://x402.hexl.dev/v1/calc/re-1pct-rule

Integration docs

Example request

{
  "price": 300000,
  "monthlyRent": 2500
}

Example response

{
  "price": 300000,
  "monthlyRent": 2500,
  "thresholdPct": 1,
  "actualPct": 0.8333,
  "requiredRent": 3000,
  "passes": false,
  "verdict": "fails — rent too low for price"
}

Input schema

{
  "type": "object",
  "required": [
    "price",
    "monthlyRent"
  ],
  "properties": {
    "price": {
      "type": "number",
      "examples": [
        300000
      ]
    },
    "monthlyRent": {
      "type": "number",
      "examples": [
        2500
      ]
    },
    "thresholdPct": {
      "type": "number",
      "default": 1
    }
  }
}

Output schema

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