Amortization Schedule

Amortization is paying off a debt over time in equal installments. Part of each payment goes toward the loan principal, and part goes toward interest. With mortgage amortization, the amount going toward principal starts out small, and gradually grows larger month by month. Meanwhile, the amount going toward interest declines month by month for fixed-rate loans.

Your amortization schedule shows how much money you pay in principal and interest over time. Use this calculator to see how those payments break down over your loan term.

Input Variables :

Standard Key Required Example
API Key api_key Y ‘api_key’ => ‘BKIBGYWephq34pouyhbP(UY-93y4p’
Username username Y ‘username’ => ‘username’
Output output Y ‘output’ => ‘json’
Possible Values : json, xml, array, delimited
Delimiter delimiter N ‘delimiter’ => ‘,’
Possible Values : ,  |  :  [space]  [tab] 
API Specific
Version version Y ‘version’ => ‘1.0’
Amount amount Y ‘amount’ => ‘325000’
Rate rate Y ‘rate’ => ‘3.25’
Years years Y ‘years’ => ’30’
Start Date start_date N ‘start_date’ => ‘2020-05-01’
Defaults to Current Date when Empty

Example Code :

View example code for your programming language.

JSON Output :

{
    "input": {
        "loan_amount":"",
        "interest_rate":"",
        "length_of_loan":"",
        "start_date":""
    },
    "api": {
        "version":"1.0.0",
        "endpoint":"https://api.dataendpoints.com/calculators/amortization/",
    },
    "output": {
        "total_payments":"",
        "total_interest":"",
        "number_of_payments":"",
        "monthly_payment":"",
        "end_date":"",
        "payments": {
            "payment_1": {
                "beginning_balance":"",
                "interest_payment":"",
                "principal_payment":"",
                "ending_balance":"",
                "cumulative_interest":"",
                "cumulative_payments":""
            },
            ...
            "payment_360": {
                "beginning_balance":"",
                "interest_payment":"",
                "principal_payment":"",
                "ending_balance":"",
                "cumulative_interest":"",
                "cumulative_payments":""
            }
        }
    }
}

 

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