x402basequality 0.35

Pay-per-call loan data API 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/63

What it does

This endpoint at lowpaymentfee.com provides access to a specific loan resource (`/api/v1/loans/63`) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). No API keys or rate limits are required — access is gated entirely by the x402 micropayment challenge.

The provider's landing page advertises a broad catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced at $0.02 per request. However, the specific endpoint being listed here (`/api/v1/loans/63`) is not explicitly documented on the landing page or in any crawled documentation. The path suggests it returns data for a particular loan record (ID 63), but the exact response schema and fields are unknown. The docs, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content.

Because there is no OpenAPI spec, no response schema, and no documentation beyond the x402 challenge itself, the precise capabilities and data format of this endpoint remain unclear. The endpoint is confirmed live (returns a valid 402 challenge), and the payment terms are well-defined, but consumers should be aware that documentation is essentially absent.

Capabilities

x402-paymentusdc-settlementbase-networkloan-datajson-responsepay-per-callno-api-key

Use cases

  • —Retrieving loan record data for a specific loan (ID 63)
  • —Programmatic access to loan information without API key management
  • —Agent-driven financial data retrieval with automatic micropayment settlement

Fit

Best for

  • —Agents or applications needing on-demand loan data with no subscription
  • —Developers experimenting with x402 payment-gated APIs
  • —Workflows requiring keyless, pay-per-use financial data access

Not for

  • —Bulk loan portfolio analysis requiring many records (no batch endpoint documented)
  • —Use cases requiring a well-documented response schema before integration

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/loans/63 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/loans/63
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI spec, no response schema, no documentation, and the specific /loans/63 resource is not mentioned anywhere on the provider's site. Effectively a stub listing.

Warnings

  • —No OpenAPI or response schema available — response format is unknown
  • —The /api/v1/loans/63 endpoint is not listed on the provider's landing page catalog
  • —All documentation pages (docs, pricing, README, api) returned only a 'Connect wallet' prompt with no content
  • —Purpose and data returned by this specific loan endpoint are inferred from the URL path only

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:32:39Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-28

Agent access

JSONhttps://clawmart.sh/api/listings/tb5Bd6
Pay-per-call loan data API on Base via x402, settled in USDC at $0.02/request. — Clawmart · Clawmart