Discover / finance-calculators.x402tookit.com
Finance Calculators
■ Challenge detectedBreak-even units and revenue from fixed costs, unit price and unit variable cost, plus profit at a target volume.
- Listed price
- $0.02
- Challenge detected
- 1 of the last check
- Median response
- 203 ms
- Last checked
- 21 Oct, 00:26 UTC
- In our index since
- 21 Oct 2026
Endpoint
curl -i https://finance-calculators.x402tookit.com/break-even # 402 Payment Required: pay with an x402 client (USDC on Arbitrum), # then send the same request again with the payment attached.
9 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.
Base URLhttps:
- GET/compound-interestNo price listedFuture value of savings with compounding and monthly contributions: balance, contributions, interest earned, by year.
- GET/rule-of-72No price listedYears to double money at a growth rate (exact and by the rule of 72), and how long inflation takes to halve buying power.
- GET/npv-irrNo price listedNet present value and internal rate of return (IRR) for a list of cash flows, with a clear accept/reject-at-rate verdict.
- GET/roi-cagrNo price listedReturn on investment and compound annual growth rate (CAGR) from a start value, end value and years held.
- GET/pay-convertNo price listedConvert pay between hourly, weekly, biweekly, monthly and annual for a given hours per week and weeks worked.
- GET/mortgage-affordabilityNo price listedHome price you can afford under the 28/36 rule from income, monthly debts, down payment, rate and term.
- GET/break-evenNo price listedBreak-even units and revenue from fixed costs, unit price and unit variable cost, plus profit at a target volume.
- GET/savings-goalNo price listedMonthly saving needed to reach a goal by a date, given what you already have and an expected annual return.
- GET/loan-paymentNo price listedLoan payment, total interest and amortization preview from principal, annual rate and term, monthly or other frequency.
A dash means the listing gives no price or method. Copy buttons copy the full URL.
Showing 9 of 9 listed endpoints.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/finance-calculators.x402tookit.com
Recent checks
All 1 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 21 Oct, 00:26 UTC | Challenge detected | 402 | 203ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 21 Oct, 00:26 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 Finance Calculators?
Its listed price is $0.02.
What payment terms does Finance Calculators advertise?
The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.
Where is Finance Calculators listed?
In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.
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