x402basequality 0.25

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 specific loan resource (loan ID 17) via the x402 payment protocol. The endpoint is live and returns a 402 challenge requiring payment in USDC on the Base network. The price per request is $0.02 (20,000 base units of USDC with 6 decimals). Payment is made via the x402 "exact" scheme, meaning a one-shot payment per call with no API keys, subscriptions, or rate limits required.

The broader lowpaymentfee.com platform advertises a range of pay-per-request APIs spanning data & analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation) — all at the same $0.02/request price point. However, this specific listing is for the `/api/v1/loans/17` endpoint, which is described only as "Premium API Access" with no further documentation on what loan data it returns or what input it expects beyond a POST request.

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 spec, no request/response schema, and no examples available. The endpoint accepts POST requests and returns application/json, but the actual payload structure is unknown.

Capabilities

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

Use cases

  • Retrieving loan data for loan ID 17 via a single paid API call
  • Integrating pay-per-request loan information into agent workflows
  • Accessing financial loan records without API key registration

Fit

Best for

  • Agents or developers needing on-demand loan data without subscription commitments
  • x402-compatible clients on the Base network
  • Micropayment-based API consumption with USDC

Not for

  • Users needing detailed API documentation or schema before integrating
  • Bulk or high-volume loan data retrieval where per-request pricing is inefficient
  • Non-crypto users who cannot pay with USDC on Base

Quick start

# Requires an x402-compatible client to attach payment header
curl -X POST https://lowpaymentfee.com/api/v1/loans/17 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but there is virtually no documentation: no OpenAPI spec, no request/response schema, no examples, and no explanation of what loan data is returned. The docs pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'
  • No request or response schema provided; unknown what data the endpoint returns
  • The endpoint path '/api/v1/loans/17' targets a specific loan ID with no explanation of what loan 17 represents
  • No OpenAPI spec or ai-plugin manifest found

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 05:22:21Z · 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