x402basequality 0.25

Pay-per-call premium API 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/endpoint-65

What it does

This endpoint (endpoint-65) is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints are accessed via the x402 payment protocol on the Base network, settling in USDC (USD Coin) with no API keys, no rate limits, and no commitments required.

The specific endpoint at /api/endpoint-65 is labeled "Premium API Access" but its exact functionality is not documented beyond that generic title. It does not correspond to any of the named endpoints listed on the provider's homepage (which include paths like /api/v1/analytics/metrics, /api/v2/ai/sentiment, etc.). The x402 challenge confirms the endpoint is live and accepts POST requests, requiring a maximum payment of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 on the Base network.

Documentation is extremely sparse. The /docs, /pricing, /api, and /README pages all returned only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what data or service endpoint-65 actually provides. The output schema only confirms it accepts HTTP POST and is discoverable. Prospective users should be aware that without documentation, the actual behavior of this endpoint is unknown.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requesthttp-post

Use cases

  • —Programmatic access to an undocumented premium API service via x402 micropayments
  • —Agent-driven API consumption without API key management
  • —Exploring x402 payment protocol integration on Base network

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that need keyless, pay-per-call API access on Base
  • —Low-cost per-request API consumption ($0.02/call)

Not for

  • —Users who need documented, well-specified API contracts before integrating
  • —Production systems requiring guaranteed SLAs and detailed error handling documentation

Quick start

curl -X POST https://lowpaymentfee.com/api/endpoint-65 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/endpoint-65
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 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 the endpoint's actual functionality is completely undocumented. The generic title 'Premium API Access' and the non-standard path '/api/endpoint-65' provide no insight into what the endpoint does.

Warnings

  • —Endpoint functionality is completely undocumented — 'Premium API Access' is the only description available
  • —No OpenAPI schema or request/response examples exist
  • —The /docs, /pricing, /api, and /README pages all returned only 'Connect wallet' with no content
  • —Path /api/endpoint-65 does not match any of the named endpoints listed on the provider homepage
  • —Actual behavior and response format are unknown

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:35:44Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/5aPpCw
Pay-per-call premium API endpoint on Base via x402, settled in USDC at $0.02/request. — Clawmart · Clawmart