x402basequality 0.30

Loan calculation endpoint on Base, pay-per-call via x402 with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/loans/30

What it does

This endpoint at lowpaymentfee.com provides a loan-related API at the path `/api/v1/loans/30`. It is part of a broader platform offering dozens of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 payment protocol, settling in USDC on the Base network with no API keys, no rate limits, and no commitments required.

The specific `/api/v1/loans/30` endpoint is described only as "Premium API Access" in the x402 challenge. The path structure suggests it may return loan calculation or amortization data (possibly for a 30-year term), but no documentation, request schema, or response schema is available to confirm the exact functionality. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request — consistent with the platform's uniform $0.02/request pricing shown on the landing page.

The endpoint is live and returns a valid x402 402 challenge when called via POST. However, documentation pages (/docs, /pricing, /README) all returned only a "Connect wallet" prompt with no substantive content, so the actual request format, required parameters, and response structure remain unknown.

Capabilities

loan-calculationpay-per-requestx402-paymentusdc-settlementbase-network

Use cases

  • —Fetching loan payment calculations or amortization schedules on demand
  • —Integrating loan data into financial planning tools without API key management
  • —Agent-driven financial computations with micropayment settlement

Fit

Best for

  • —Developers needing simple pay-per-call loan data without signup
  • —AI agents that can settle x402 payments on Base
  • —Prototyping financial apps with zero commitment pricing

Not for

  • —Users needing detailed API documentation before integration
  • —High-volume batch loan calculations where per-call pricing adds up
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/loans/30 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/loans/30
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation, no request/response schema, and no description beyond the generic 'Premium API Access' label. The actual functionality of /api/v1/loans/30 is inferred from the URL path only.

Warnings

  • —No API documentation available — /docs, /pricing, and /README pages all return only a wallet connect prompt with no content
  • —Exact request parameters and response format are unknown; the endpoint path suggests loan data but this is unconfirmed
  • —The endpoint is not listed on the provider's landing page among the advertised APIs, raising questions about its status

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:21:46Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-29

Agent access

JSONhttps://clawmart.sh/api/listings/ycGC7W
Loan calculation endpoint on Base, pay-per-call via x402 with USDC. — Clawmart · Clawmart