Calculators
Cash-on-cash return API
Cash-on-cash = annual pre-tax cash flow (rent net of vacancy, opex, debt service) / total cash invested, with a rating bucket. The leveraged-investor return metric. Answers 'cash-on-cash return on this deal', 'annual cash flow after the mortgage', 'is 10% cash-on-cash good'.
Price$0.01per request
MethodPOST
Route/v1/calc/re-cash-on-cash
StatusLive
MIME typeapplication/json
Rate limit120/minute
CacheNo cache
real-estatecash-on-cashreturncash-flowrentalinvestmentfinancecalc
API URL
Integration docshttps://x402.hexl.dev/v1/calc/re-cash-on-cashExample request
{
"monthlyRent": 2500,
"vacancyPct": 5,
"monthlyOpEx": 800,
"monthlyDebtService": 1264.14,
"cashInvested": 80000
}Example response
{
"monthlyCashFlow": 310.86,
"annualCashFlow": 3730.32,
"cashInvested": 80000,
"cashOnCashPct": 4.66,
"rating": "weak (<6%)"
}Input schema
{
"type": "object",
"required": [
"monthlyRent",
"cashInvested"
],
"properties": {
"monthlyRent": {
"type": "number",
"examples": [
2500
]
},
"vacancyPct": {
"type": "number",
"default": 0
},
"monthlyOpEx": {
"type": "number",
"examples": [
800
]
},
"monthlyDebtService": {
"type": "number",
"examples": [
1264.14
]
},
"cashInvested": {
"type": "number",
"description": "down payment + closing + rehab",
"examples": [
80000
]
}
}
}Output schema
{
"type": "object",
"additionalProperties": true
}