Mortgage Payment Calculator

Calculates a full monthly mortgage payment including principal, interest, taxes, insurance, HOA, and PMI.

Overview

Calculates a full monthly mortgage payment including principal, interest, taxes, insurance, HOA, and PMI. Computes loan amount, principal-and-interest payment, escrow components, total monthly payment, optional housing DTI, score, drivers, and recommendation. Use it as a mortgage payment calculator API, PITI calculator, or home affordability payment estimator.

Endpoint

Method	Endpoint	Price	Description
POST	/v1/marketplace/api/mortgage-payment-calculator	$0.0115	Invoke Mortgage Payment Calculator (General) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i -X POST https://api.jarvisclaw.ai/v1/marketplace/api/mortgage-payment-calculator \
  -H 'Content-Type: application/json' \
  -d '{}'

# 2. Pay it (the SDK signs and retries for you)
curl -X POST https://api.jarvisclaw.ai/v1/marketplace/api/mortgage-payment-calculator \
  -H 'Content-Type: application/json' \
  -H 'X-PAYMENT: <signed-payload>' \
  -d '{}'

Open in the marketplace