x402basequality 0.30

x402-gated loan data endpoint on Base, pay-per-request with USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides access to a loan resource (ID 20) via the x402 payment protocol. It is part of a broader platform that offers a variety of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all gated behind x402 challenges on the Base network using USDC.

The specific endpoint `/api/v1/loans/20` returns JSON data when a valid x402 payment header is supplied. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). This is consistent with the platform's stated flat pricing of $0.02 per request across all endpoints. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.

The platform advertises no API keys, no rate limits, and instant access. However, documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what loan data fields are returned. The endpoint is confirmed live (402 challenge captured), but the actual data payload and its usefulness remain unknown.

Capabilities

x402-paymentusdc-basepay-per-requestloan-datajson-responseno-api-key

Use cases

  • Retrieving loan record data on a per-request payment basis
  • Integrating loan information into agent workflows without API key management
  • Programmatic access to financial loan data via crypto micropayments

Fit

Best for

  • Agents or developers who want keyless, pay-per-call access to loan data
  • Users already holding USDC on Base who want frictionless API access
  • Prototyping integrations that need loan data without subscription commitments

Not for

  • Users who need detailed documentation or schema guarantees before integrating
  • Bulk data retrieval where per-request pricing would be cost-prohibitive
  • Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/loans/20 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

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 OpenAPI schema, no request/response examples, and no description of what data the loan endpoint actually returns. The docs pages are all empty 'Connect wallet' stubs. This is effectively a stub listing.

Warnings

  • No documentation available — all doc pages render only 'Connect wallet' with no content
  • No OpenAPI or schema describing request parameters or response fields for the loans endpoint
  • Unknown response payload — it is unclear what loan data fields are returned
  • The endpoint path '/api/v1/loans/20' is not listed on the platform's own homepage API catalog, which raises questions about its provenance

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:15:58Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-28

Agent access

x402-gated loan data endpoint on Base, pay-per-request with USDC. — Clawmart · Clawmart