x402-gated loan data endpoint on Base, pay-per-request with USDC.
What it does
This endpoint at `/api/v1/loans/28` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML, finance, and infrastructure utilities. The specific `/loans/28` resource is labeled "Premium API Access" and returns JSON data via POST. It is gated behind an x402 payment challenge settled in USDC on the Base network.
The x402 challenge advertises a maximum amount of 20,000 base units of USDC (0x8335…2913 on Base). Since USDC uses 6 decimals, this translates to $0.02 per request, consistent with the site-wide pricing of $0.02/request. Payment is made via the x402 exact scheme with a 300-second timeout. No API keys or rate limits are required; access is instant once payment is included in the X-PAYMENT header.
The broader lowpaymentfee.com platform lists endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02/request price point. However, this specific listing covers only the `/api/v1/loans/28` endpoint. Documentation pages (docs, pricing, README) returned minimal content (just "Connect wallet"), so the exact schema of the loan data response is unknown.
Capabilities
Use cases
- —Retrieving loan data for a specific loan record (ID 28) on demand
- —Integrating pay-per-request loan information into agent workflows
- —Accessing financial data without API key registration
Fit
Best for
- —Agents needing on-demand loan data with no signup
- —Developers testing x402 payment flows on Base
- —Micropayment-gated data access without subscriptions
Not for
- —Bulk loan data retrieval (no documented batch endpoints)
- —Users who need detailed API documentation or response schemas before integrating
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/loans/28 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base). However, there is no documentation on what the /loans/28 endpoint actually returns, no request or response schema, and the docs/pricing/README pages are empty stubs. The endpoint name 'Premium API Access' is generic and uninformative.
Warnings
- —No documentation available — docs, pricing, and README pages all return only 'Connect wallet' with no actual content.
- —The /api/v1/loans/28 endpoint purpose and response schema are completely undocumented; 'Premium API Access' is a generic label.
- —Cannot confirm what data the endpoint returns without a paid request.
- —The endpoint path suggests a single loan record (ID 28) but no context is given for what 'loans' means in this platform.
Citations
- —The x402 challenge requires 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network with a 300-second timeouthttps://lowpaymentfee.com/api/v1/loans/28
- —Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The platform offers endpoints across data/analytics, AI/ML, finance/Web3, and infrastructure categorieshttps://lowpaymentfee.com