sinikoding
amortization87

Loan Amortization Schedule

Month-by-month breakdown of a loan: instalment, principal, interest and balance.

POST /api/v1/amortization
API version
v1
Output schema
1

The endpoint path is always /v1. The schema number below tracks this tool's output shape and changes independently.

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Parameters

ParameterTypeRequiredDefault
amountnumberno100000000
ratenumberno10
monthsnumberno12
methodannuity | flatnoannuity

Request

curl -X POST https://sinikoding.dev/api/v1/amortization \
  -H 'content-type: application/json' \
  -H 'x-api-key: tk_live_…' \
  -d '{"amount":100000000,"rate":10,"months":12,"method":"annuity"}'

Returns

"output": { "kind": "table", "columns": ["…"], "rows": [["…"]] }
Try it

Calls a same-origin sandbox endpoint, not /api/v1. No key needed, capped at 15 requests a minute.

Request

curl -X POST https://sinikoding.dev/api/v1/amortization \
  -H 'content-type: application/json' \
  -H 'x-api-key: tk_live_…' \
  -d '{"amount":"100000000","rate":"10","months":"12","method":"annuity"}'

Response

Send a request to see the response.
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