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calculate_home_affordability

Monthly home-loan EMI for a property value — EMI, total interest, principal-vs-interest split. Pure math, not financial advice.

Endpoint POST https://api.avnester.com/public/v1/calculate_home_affordability

Parameters

The most-used parameters. Full schema in the OpenAPI document.

NameTypeRequiredDescription
propertyValuenumberrequiredProperty value in INR.
loanAmountnumberoptionalLoan amount in INR. Defaults to 80% of propertyValue.
interestRatePercentnumberoptionalAnnual interest rate. Defaults to the current market estimate.
tenureYearsnumberoptionalLoan tenure in years. Defaults to 20.

Worked example

# EMI on a ₹65L property at 80% LTV, 8.5%, 20 years
curl -X POST https://api.avnester.com/public/v1/calculate_home_affordability \
  -H 'Content-Type: application/json' \
  -d '{
       "propertyValue": 6500000,
       "interestRatePercent": 8.5,
       "tenureYears": 20
     }'
Response
{
  "inputPropertyValue": 6500000,
  "loanAmount": 5200000,
  "interestRatePercent": 8.5,
  "tenureYears": 20,
  "emi": 45127,
  "totalInterest": 5630480,
  "totalPayment": 10830480,
  "assumptions": { "defaultLtvPercent": 80, "actualLtvPercent": 80, "downPaymentAmount": 1300000, "interestType": "reducing-balance", "notALoanApproval": true },
  "attribution": "AVnester",
  "disclaimer": "..."
}

Rate limits

Anonymous

60/min

OAuth (Team)

600/min

Per-IP aggregate cap (across all tools): 60/min. OAuth registration lifts both the per-tool budget (10×) and removes the IP cap.

Common errors

  • 400Invalid request body

    Check required parameters and types. The error.message field will name the offending parameter.

  • 429Rate limit exceeded

    Back off until the time in the Retry-After header; or authenticate with OAuth for the 10× tier.

Next steps