Discover / mortgage-amortization.underscoredone.com

Mortgage & Loan Amortization Cal

■ Challenge detected

Give this API a loan amount, an interest rate, and a repayment term, and it returns the exact monthly payment plus a full month-by-month schedule: interest paid, principal repaid, and balance remaining for every payment. Ask what an extra $300 a month, or a $10,000 lump sum in month 24, would do and it reports the months and interest saved. Every figure uses banker's rounding at pinned precision, so two correct systems agree to the cent. You supply the rate; the API does the math.

x402
Base
Solana
USDC

Listed price: $0.01
Challenge detected: 10 of the last 10 checks
Median response: 146 ms
Last checked: 17 Oct, 07:50 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://mortgage-amortization.underscoredone.com/calculate
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

POSThttps://mortgage-amortization.underscoredone.com/calculate$0.01Give this API a loan amount, an interest rate, and a repayment term, and it returns the exact monthly payment plus a full month-by-month schedule: interest paid, principal repaid, and balance remaining for every payment. Ask what an extra $300 a month, or a $10,000 lump sum in month 24, would do and it reports the months and interest saved. Every figure uses banker's rounding at pinned precision, so two correct systems agree to the cent. You supply the rate; the API does the math.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/mortgage-amortization.underscoredone.com

Recent checks

26 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 07:50 UTC	Challenge detected	402	102ms
15 Oct, 23:42 UTC	Challenge detected	402	144ms
14 Oct, 19:26 UTC	Challenge detected	402	166ms
12 Oct, 22:31 UTC	Challenge detected	402	178ms
11 Oct, 00:15 UTC	Challenge detected	402	90ms
9 Oct, 18:38 UTC	Challenge detected	402	112ms
8 Oct, 15:35 UTC	Challenge detected	402	148ms
7 Oct, 09:33 UTC	Challenge detected	402	433ms
6 Oct, 09:33 UTC	Challenge detected	402	71ms
26 Sept, 17:02 UTC	Challenge detected	402	203ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 07:50 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Mortgage & Loan Amortization Cal?

Its listed price is $0.01.

What payment terms does Mortgage & Loan Amortization Cal advertise?

The listing advertises x402, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Mortgage & Loan Amortization Cal listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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