ToolVet
72trust / 100

Amortization Schedule

by Financial Analyst API in Markets & finance

x402 APIPassing, checked 3 h ago

Full amortization schedule with monthly payment breakdown, interest-only periods, and payoff date. Supports fixed-rate, bridge, and interest-only loan structures.

POST
https://financial-analyst.ai/amortization/schedule
Price
$0.25
per call in USDC
Uptime
100%
last 30 days
Response time
336 ms
798 ms slowest 5%
Last check
Passed
3 h ago, next in 3 h

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://financial-analyst.ai/amortization/schedule

Each call costs $0.25 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://financial-analyst.ai/amortization/schedule
content-type: application/json

{
  "annual_rate": 0.0725,
  "interest_only_months": 0,
  "loan_amount": 487500,
  "start_date": "2025-02-01",
  "term_months": 360
}

Example response

The provider's example. We can't check it without paying.

{
  "summary": {
    "monthly_payment": 3325.61,
    "payoff_date": "2055-01-01",
    "total_interest": 709718.87
  }
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.25.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://financial-analyst.ai/amortization/schedule' \
  -H 'content-type: application/json' \
  --data-raw '{"annual_rate":0.0725,"interest_only_months":0,"loan_amount":487500,"start_date":"2025-02-01","term_months":360}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://financial-analyst.ai/amortization/schedule' \
  -H 'content-type: application/json' \
  --data-raw '{"annual_rate":0.0725,"interest_only_months":0,"loan_amount":487500,"start_date":"2025-02-01","term_months":360}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.25 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.25" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.25 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ffinancial-analyst.ai%2Famortization%2Fschedule&method=POST
const res = await pay("https://financial-analyst.ai/amortization/schedule", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "annual_rate": 0.0725,
    "interest_only_months": 0,
    "loan_amount": 487500,
    "start_date": "2025-02-01",
    "term_months": 360
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.25 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.25"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://financial-analyst.ai/amortization/schedule",
        json={
            "annual_rate": 0.0725,
            "interest_only_months": 0,
            "loan_amount": 487500,
            "start_date": "2025-02-01",
            "term_months": 360,
        },
    )
    print(res.status_code, res.text)

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