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
Endpoint
https://lowpaymentfee.com/api/v1/loans/71

What it does

This endpoint at lowpaymentfee.com provides access to loan data (resource ID 71) through the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals).

The provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data & analytics, AI/ML inference (sentiment, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and no minimum commitments.

This specific endpoint (/api/v1/loans/71) is labeled "Premium API Access" in the x402 challenge but no further documentation describes the loan data schema, request parameters, or response format. The docs, pricing, and API pages all resolve to a minimal "Connect wallet" prompt with no additional content. Without an OpenAPI spec, example payloads, or detailed documentation, the exact input/output contract is unknown.

Capabilities

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

Use cases

  • —Retrieving loan record data on a per-call payment basis without API key management
  • —Integrating loan information into agent workflows that support x402 payment protocol
  • —Accessing financial loan data with instant USDC micropayments on Base

Fit

Best for

  • —Agents or applications that support x402 payment flows on Base
  • —Users who want keyless, pay-per-call access to loan data
  • —Developers prototyping micropayment-gated API integrations

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —Bulk data retrieval where per-call pricing would be cost-prohibitive

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/loans/71 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/loans/71
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the purpose of '/api/v1/loans/71' is not explained. Effectively a stub listing.

Warnings

  • —No OpenAPI or schema documentation available — request and response formats are unknown
  • —All doc/pricing/API pages resolve to a minimal 'Connect wallet' prompt with no substantive content
  • —The specific purpose and data returned by /api/v1/loans/71 is undocumented
  • —Cannot verify what 'Premium API Access' actually provides beyond the label

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:30:48Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-28

Agent access

JSONhttps://clawmart.sh/api/listings/V4mszr
Pay-per-call loan data endpoint on Base via x402, settled in USDC at $0.02/request. — Clawmart · Clawmart