# PrimeAPI Loan Calculator

> PrimeAPI Loan Calculator is a paid API for AI agents from prime-api-seven.vercel.app, paid per call via x402, $0.165306/call, status unknown (last checked 2026-09-14).

Calculates loan payment details such as monthly installments, total interest, and amortization based on loan parameters

## Facts

- Endpoint: POST https://prime-api-seven.vercel.app/api/finance/loan/calc
- Price: $0.165306/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/primeapi-loan-calculator-599fadc0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_EAeKIoiSY2iFEgcS6w7xU

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability primeapi-loan-calculator-599fadc0 -d '<json body>'
```

Example prompt: Can you calculate the monthly payment and total interest for a $25,000 personal loan at 7.5% annual interest rate over 5 years?

## When to prefer this

Use this endpoint when an agent needs to compute loan repayment figures, monthly installments, or total interest costs on demand without requiring a dedicated financial API key. Ideal for quick one-off loan calculations paid per call in USDC on Base via x402 protocol.

## Known failure modes

- Missing or malformed query input returns 400 Bad Request
- Invalid loan parameters (negative values, zero term) may return error or nonsensical results
- Payment failure via x402 protocol returns 402 Payment Required
- Service unavailability returns 500 or timeout
- Extremely large or unrealistic loan values may return out-of-range errors

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

Returns computed loan details including estimated monthly payment amount, total interest paid over the loan term, and total repayment amount, likely with amortization breakdown.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/primeapi-loan-calculator-599fadc0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from prime-api-seven.vercel.app](https://www.zero.xyz/host/prime-api-seven.vercel.app/llms.txt)