calculate derived
mortgage-amortization.underscoredone.comMarket dataderived
POST https://mortgage-amortization.underscoredone.com/calculate
passlisted in Coinbasecounted above 77% of Market data
0.01 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 5
- Unique payers, trailing 30 days
- 4
- Last called
- 2026-09-14 19:47 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.01 USDC
- Networks
- 2
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 2 times across 29 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
calculate is a POST endpoint at mortgage-amortization.underscoredone.com, listed in the Coinbase registry and filed by TOLL under market data.
calculate is priced at 0.01 USDC on Base.
calculate takes a json body with the fields rounding, principal, start_date, term_months, summary_only, one_time_payments and 2 others.
calculate accepts payment on Base and Solana, 2 options in all, to 2 different wallets.
A response from calculate, as declared, includes summary, rounding, schedule, api_version, inputs_echo, scheduled_payment and 1 other.
calculate answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
calculate is the only listed endpoint on mortgage-amortization.underscoredone.com.
The registry's counters give calculate 5 calls and 4 unique payers over 30 days.
The last call to calculate came 1 day before the snapshot, 2026-09-14.
Closest in price to calculate within market data: price at svm402.com and address current balance at api.nansen.ai.
calculate is priced above 37% of comparable listings in market data.
Across market data, 5,288 endpoints carry counters and calculate out-counts 77% of them.
The payee wallet is shared by 28 listings across 28 hosts.
The seller's tags on calculate are mortgage calculator, loan amortization, amortization schedule and mortgage.
The price of calculate is declared by 1,313 other listings in market data too.
the payment options, as of 2026-09-15 21:20 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0xE97408…2C2F08 |
| Coinbase | solana: | USDC | 0.01 USDC | exact | 8ugAWAXD…vzQT3b |
the checks, as of 2026-09-15 05:58 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 05:58 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 05:30 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:24 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:41 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 11:31 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-14 19:47 UTC · method · live
The input and output block
{
"input": {
"body": {
"rounding": 2,
"principal": 400000,
"start_date": "2026-07-01",
"term_months": 360,
"summary_only": false,
"one_time_payments": [
{
"month": 24,
"amount": 10000
}
],
"annual_rate_percent": 6.5,
"extra_monthly_payment": 300
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"summary": {
"total_paid": 910179.81,
"payoff_date": "2056-06-01",
"final_payment": 2530.88,
"total_interest": 510179.81,
"scheduled_term_months": 360
},
"rounding": {
"mode": "half_even",
"decimals": 2,
"final_payment_adjusted": true
},
"schedule": [
{
"date": "2026-07-01",
"balance": 399338.4,
"payment": 2828.27,
"interest": 2166.67,
"principal": 661.6,
"extra_applied": 300,
"payment_number": 1,
"scheduled_payment": 2528.27
}
],
"api_version": "1.0.0",
"inputs_echo": {
"principal": 400000,
"start_date": "2026-07-01",
"term_months": 360,
"annual_rate_percent": 6.5
},
"scheduled_payment": 2528.27,
"with_extra_payments": {
"total_paid": 734237.48,
"payoff_date": "2047-11-01",
"months_saved": 103,
"final_payment": 200.36,
"interest_saved": 175942.33,
"total_interest": 334237.48,
"actual_term_months": 257
}
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 21:20 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "calculate on mortgage-amortization.underscoredone.com", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/mortgage-amortization-underscoredone-com-calculate-9a5499/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-mortgage-amortization-underscoredone-com-calculate-9a5499-2026-09-15T21-20Z,
author = {TOLL},
title = {calculate on mortgage-amortization.underscoredone.com},
howpublished = {\url{https://tollindex.com/e/mortgage-amortization-underscoredone-com-calculate-9a5499/at/2026-09-15T21-20Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 21:20 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.