x402basequality 0.35

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
Endpoint
https://lowpaymentfee.com/api/v1/loans/1

What it does

lowpaymentfee.com hosts a collection of pay-per-request API endpoints accessible via the x402 payment protocol on the Base network. This specific endpoint (`/api/v1/loans/1`) is listed under "Premium API Access" and returns JSON data when a valid x402 payment header is provided. Payments are settled in USDC (contract 0x8335…2913 on Base) with a maximum amount of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). No API keys or rate limits are advertised; access is gated entirely by the micropayment.

The broader lowpaymentfee.com platform advertises endpoints across several categories: data & analytics (metrics, reports, exports, insights), AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All are priced at $0.02 per request. However, this listing covers only the `/api/v1/loans/1` endpoint, which appears to be a finance-related resource returning loan data. The exact response schema is not documented in the crawled material.

The endpoint is live and returns a proper 402 challenge with x402 version 1. Documentation pages (/docs, /pricing, /api, /README) all resolve but contain only a "Connect wallet" prompt with no substantive technical documentation, so the actual request/response schemas remain unknown.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestloan-datajson-responseno-api-key

Use cases

  • —Fetching loan data on-demand without subscription or API key management
  • —Agent-driven financial data retrieval with per-call USDC micropayments
  • —Integrating loan information into Web3 applications via x402 protocol

Fit

Best for

  • —Developers wanting keyless, pay-per-use loan data access
  • —AI agents that can settle x402 payments on Base
  • —Web3 applications needing low-friction financial data endpoints

Not for

  • —Users who need detailed API documentation or response schema guarantees before integrating
  • —High-volume consumers who prefer subscription-based pricing over per-call payments

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/loans/1 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/loans/1
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, there is no OpenAPI schema, no documented request/response format, and all documentation pages are empty stubs showing only 'Connect wallet'. The purpose of the /api/v1/loans/1 endpoint is unclear beyond the generic 'Premium API Access' label.

Warnings

  • —No API documentation available — /docs, /pricing, /api, and /README pages all return only a 'Connect wallet' prompt with no technical content.
  • —The /api/v1/loans/1 endpoint is not listed on the provider's homepage among their advertised endpoints, making its purpose and response format unclear.
  • —No request or response schema is available; integration requires trial-and-error.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:21:02Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-28

Agent access

JSONhttps://clawmart.sh/api/listings/9G2NLN
Pay-per-call loan data endpoint on Base via x402, settled in USDC at $0.02/request. — Clawmart · Clawmart