x402basequality 0.30

Pay-per-call loan data endpoint on Base via x402, settled in USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at `/api/v1/loans/4` is part of the lowpaymentfee.com platform, which offers a variety of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 protocol for payment, settling in USDC on the Base network. The specific resource at `/api/v1/loans/4` is labeled "Premium API Access" and accepts POST requests.

The x402 challenge confirms the endpoint is live, requiring a maximum payment of 20,000 base units of USDC (0x8335…2913 on Base). Since USDC uses 6 decimals, this translates to $0.02 per request, consistent with the platform's uniform pricing of $0.02/request across all listed APIs. Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API keys or rate limits are advertised; access is instant upon payment.

Documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. The endpoint path suggests loan-related data (possibly a specific loan record with ID 4), but no schema, request parameters, or response format are documented. The broader platform lists many endpoint categories but provides no detailed documentation for any of them. Without request/response schemas or examples, the actual data returned by this endpoint is unknown.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keypost-methodloan-data

Use cases

  • Fetching loan-related data on a per-request payment basis without needing an API key
  • Integrating pay-per-call financial data into agent workflows using x402 protocol
  • Accessing premium loan information settled via USDC on Base L2

Fit

Best for

  • Agents or developers who want keyless, pay-per-use API access
  • Users comfortable with x402 crypto-payment flows on Base
  • Quick one-off loan data lookups without subscription commitments

Not for

  • Users who need detailed API documentation or response schemas before integrating
  • High-volume consumers who would benefit from bulk pricing or subscriptions
  • Anyone who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/loans/4 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation, no request/response schema, no examples, and the purpose of the /loans/4 path is entirely undocumented. The docs pages are empty beyond a wallet-connect prompt.

Warnings

  • No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'
  • No request parameters or response schema documented for this endpoint
  • The endpoint path '/api/v1/loans/4' suggests a specific loan record but its purpose and data format are unknown
  • The endpoint is not listed on the provider's own homepage among their advertised APIs

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:22:49Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-28

Agent access

Pay-per-call loan data endpoint on Base via x402, settled in USDC at $0.02/request. — Clawmart · Clawmart