Mortgage Amortization Calculator API allows you to accurately calculate and obtain a complete breakdown of a loan's monthly payment plan. Upon receiving key parameters such as loan amount, interest rate, and term in months, the API returns a monthly schedule with structured information that includes the month number, total monthly payment, interest portion, amount applied to principal, and remaining loan balance. This tool is ideal for fintech developers, banking platforms, financial management systems, or any application that requires customized credit simulations.
The service also provides aggregate information such as the fixed monthly payment, the total paid at the end of the period, the total interest generated, and any down payment applied. Each element of the monthly schedule is clearly separated and expressed in monetary values, facilitating its visualization, analysis, or integration into reports and dashboards.
In short, this API offers a professional breakdown of the amortization cycle of any loan, maximizing clarity, utility, and automation in financial processes.
The API supports fixed-rate loans and allows you to visualize how, over the months, the proportion of the payment that goes toward interest decreases while the principal component increases. This is useful for both lenders and borrowers, as it offers complete transparency regarding the financial behavior of the loan.
Returns a monthly schedule with payments, interest, principal amortization, and remaining balance based on the loan amount, rate, and term.
Currencies available: NOK, EUR, HKD, CZK, THB, CHF, USD, ISK, GBP, JPY, BGN, CNY, IDR, TRY, NZD, SGD, DKK, AUD, BRL, ILS, SEK, CAD, HUF, ZAR, MYR, KRW, MXN, INR, PHP, PLN, RON, AED, ARS, CLP, COP, EGP, GEL, KES, NGN, PEN, RUB, SAR, TWD, VND, ZMW, XAF
Mortgage Calculator - Endpoint Features
| Object | Description |
|---|---|
amount |
[Required] Enter an amount |
rate |
[Required] Indicates annual interest |
term_years |
[Required] Indicate the number of years for which you will take out the loan |
down_payment |
[Required] Indicates the down payment made |
frequency |
[Required] Indicate the frequency of the loan (monthly, semi-monthly, bi-weekly, weekly) |
currency |
[Required] Enter a currency |
{"amortization_freq":"Monthly","amortization_schedule":[{"interest_payment":"$791.67","month":1,"payment":"$8,335.56","principal_payment":"$7,543.90","remaining_balance":"$182,456.10"},{"interest_payment":"$760.23","month":2,"payment":"$8,335.56","principal_payment":"$7,575.33","remaining_balance":"$174,880.77"},{"interest_payment":"$728.67","month":3,"payment":"$8,335.56","principal_payment":"$7,606.89","remaining_balance":"$167,273.88"},{"interest_payment":"$696.97","month":4,"payment":"$8,335.56","principal_payment":"$7,638.59","remaining_balance":"$159,635.29"},{"interest_payment":"$665.15","month":5,"payment":"$8,335.56","principal_payment":"$7,670.42","remaining_balance":"$151,964.87"},{"interest_payment":"$633.19","month":6,"payment":"$8,335.56","principal_payment":"$7,702.38","remaining_balance":"$144,262.49"},{"interest_payment":"$601.09","month":7,"payment":"$8,335.56","principal_payment":"$7,734.47","remaining_balance":"$136,528.02"},{"interest_payment":"$568.87","month":8,"payment":"$8,335.56","principal_payment":"$7,766.70","remaining_balance":"$128,761.33"},{"interest_payment":"$536.51","month":9,"payment":"$8,335.56","principal_payment":"$7,799.06","remaining_balance":"$120,962.27"},{"interest_payment":"$504.01","month":10,"payment":"$8,335.56","principal_payment":"$7,831.55","remaining_balance":"$113,130.71"},{"interest_payment":"$471.38","month":11,"payment":"$8,335.56","principal_payment":"$7,864.19","remaining_balance":"$105,266.53"},{"interest_payment":"$438.61","month":12,"payment":"$8,335.56","principal_payment":"$7,896.95","remaining_balance":"$97,369.57"},{"interest_payment":"$405.71","month":13,"payment":"$8,335.56","principal_payment":"$7,929.86","remaining_balance":"$89,439.72"},{"interest_payment":"$372.67","month":14,"payment":"$8,335.56","principal_payment":"$7,962.90","remaining_balance":"$81,476.82"},{"interest_payment":"$339.49","month":15,"payment":"$8,335.56","principal_payment":"$7,996.08","remaining_balance":"$73,480.74"},{"interest_payment":"$306.17","month":16,"payment":"$8,335.56","principal_payment":"$8,029.39","remaining_balance":"$65,451.35"},{"interest_payment":"$272.71","month":17,"payment":"$8,335.56","principal_payment":"$8,062.85","remaining_balance":"$57,388.50"},{"interest_payment":"$239.12","month":18,"payment":"$8,335.56","principal_payment":"$8,096.45","remaining_balance":"$49,292.05"},{"interest_payment":"$205.38","month":19,"payment":"$8,335.56","principal_payment":"$8,130.18","remaining_balance":"$41,161.87"},{"interest_payment":"$171.51","month":20,"payment":"$8,335.56","principal_payment":"$8,164.06","remaining_balance":"$32,997.81"},{"interest_payment":"$137.49","month":21,"payment":"$8,335.56","principal_payment":"$8,198.07","remaining_balance":"$24,799.74"},{"interest_payment":"$103.33","month":22,"payment":"$8,335.56","principal_payment":"$8,232.23","remaining_balance":"$16,567.51"},{"interest_payment":"$69.03","month":23,"payment":"$8,335.56","principal_payment":"$8,266.53","remaining_balance":"$8,300.98"},{"interest_payment":"$34.59","month":24,"payment":"$8,335.56","principal_payment":"$8,300.98","remaining_balance":"$0.00"}],"down_payment":"$10,000.00","interest_rate":"5.00%","loan_amount":"$190,000.00","loan_term_months":24,"monthly_payment":"$8,335.56","total_interest":"$10,053.54","total_payment":"$200,053.54"}
curl --location --request GET 'https://zylalabs.com/api/9136/mortgage+amortization+calculator+api/16523/mortgage+calculator?amount=200000&rate=5&term_years=2&down_payment=10000&frequency=monthly¤cy=USD' --header 'Authorization: Bearer YOUR_API_KEY'
| Header | Description |
|---|---|
Authorization
|
[Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed. |
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
The API returns a detailed amortization schedule that includes monthly payments, interest portions, principal amortization, and remaining loan balances. It also provides aggregate information such as total payments, total interest paid, and down payment details.
Key fields in the response include month number, total monthly payment, interest portion, principal amount applied, and remaining balance. Each field is clearly defined to facilitate understanding and analysis.
The response data is structured in a tabular format, with each row representing a month of the loan term. Each column corresponds to specific data fields, making it easy to read and interpret the amortization schedule.
Users can customize their requests using parameters such as loan amount, interest rate, loan term (in months), and down payment. These parameters allow for tailored amortization schedules based on specific loan scenarios.
The endpoint provides information on monthly payments, interest and principal breakdowns, remaining balances, total payments, total interest, and down payment amounts. This comprehensive data aids in financial planning and analysis.
Users can integrate the returned data into financial reports, dashboards, or applications. The structured format allows for easy visualization of payment trends, helping users understand how payments shift from interest to principal over time.
Typical use cases include financial planning, loan comparison, mortgage calculators, and integration into banking applications. The detailed amortization schedule helps both lenders and borrowers understand loan dynamics.
Data accuracy is maintained through rigorous calculations based on standard amortization formulas. The API ensures that all outputs reflect precise financial metrics, providing reliable information for users' financial decisions.
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