the402 endpoint detail

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x402.outpimp.com compoundInterestCalculator

https://x402.outpimp.com/compoundInterestCalculator

answers 402

Compound interest calculator. Projects the ending value of an investment given a starting principal, monthly contributions, and an annual interest rate, compounded monthly over a chosen number of years.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x548eFd4f4d4A5C3669dbb4CBB2B1A637FeeEc5F6
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
72 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:12:37.726Z (31d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.outpimp.com%2FcompoundInterestCalculator"