House hacking calculator
House hacking calculator. Nets rental income from other units/rooms against your mortgage payment and expenses, then adds back the equity you build via principal paydown and the market rent you avoid paying elsewhere, to compute the true monthly net-worth impact of living in and renting out part of a property.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
669 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://x402.outpimp.com/houseHackingCalculator
| Category | Market data |
|---|---|
| Provider host | x402.outpimp.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 669 ms |
Example input (from the provider)
{
"body": {
"annualInsurance": 1500,
"annualMaintenance": 4000,
"downPaymentPercent": 0.05,
"interestRate": 0.065,
"loanTermYears": 30,
"monthlyHOA": 0,
"propertyTaxRate": 0.01,
"purchasePrice": 400000,
"rentPerUnit": 1200,
"rentSavingsPerMonth": 1200,
"rentableUnits": 2,
"vacancyRate": 0.08
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"annualInsurance": {
"description": "Annual homeowner/landlord insurance.",
"type": "number"
},
"annualMaintenance": {
"description": "Annual maintenance budget.",
"type": "number"
},
"downPaymentPercent": {
"description": "Down payment as a fraction of purchase price (0-1).",
"type": "number"
},
"interestRate": {
"description": "Annual mortgage interest rate, as a fraction.",
"type": "number"
},
"loanTermYears": {
"description": "Loan term in years (1-50).",
"type": "number"
},
"monthlyHOA": {
"default": 0,
"description": "Monthly HOA fee. Default 0.",
"type": "number"
},
"propertyTaxRate": {
"description": "Annual property tax rate, as a fraction of purchase price (0-1).",
"type": "number"
},
"purchasePrice": {
"description": "Property purchase price.",
"type": "number"
},
"rentPerUnit": {
"description": "Monthly rent charged per unit.",
"type": "number"
},
"rentSavingsPerMonth": {
"default": 0,
"description": "Market rent you avoid paying elsewhere by living in this property, per month. Default 0.",
"type": "number"
},
"rentableUnits": {
"description": "Number of rentable units/rooms other than your own.",
"type": "number"
},
"vacancyRate": {
"description": "Expected vacancy rate, as a fraction (0-1).",
"type": "number"
}
},
"required": [
"purchasePrice",
"downPaymentPercent",
"interestRate",
"loanTermYears",
"rentableUnits",
"rentPerUnit",
"vacancyRate",
"propertyTaxRate",
"annualInsurance",
"annualMaintenance"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}