x402basequality 0.30

Pay-per-request API platform on Base network via x402 — $0.02/call in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

lowpaymentfee.com is a pay-per-request API platform that uses the x402 protocol to accept USDC payments on the Base network. The specific endpoint `/api/v1/orders/8` is labeled "Premium API Access" and accepts POST requests, charging up to 20,000 base units of USDC (i.e., $0.02) per call. No API keys, rate limits, or subscriptions are required — each request is paid individually via the x402 payment header.

The broader platform advertises multiple API categories including Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text 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 the same $0.02/request price point.

However, the specific endpoint being listed here (`/api/v1/orders/8`) is described only as "Premium API Access" with no further documentation about what data or functionality it returns. The docs, pricing, and API pages on the site are essentially empty (showing only a "Connect wallet" prompt). Without additional documentation or example responses, the exact behavior of this endpoint remains unclear.

Capabilities

x402-paymentusdc-base-networkpay-per-requestno-api-keypost-endpointjson-response

Use cases

  • Accessing a premium API endpoint with per-request USDC micropayments on Base
  • Agent-driven API consumption without pre-registration or API keys
  • Testing x402 protocol integrations with low-cost endpoints

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that need keyless, pay-as-you-go API access
  • Low-volume consumers who want no subscription commitments

Not for

  • Users needing detailed API documentation or guaranteed SLAs
  • High-volume use cases where per-request crypto payments add overhead
  • Anyone without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/orders/8 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (returns a valid 402 x402 challenge), and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no example request/response, and the docs/pricing/API pages are empty stubs. The purpose of this specific endpoint (/api/v1/orders/8) is entirely opaque beyond the label 'Premium API Access'.

Warnings

  • No documentation available — docs, pricing, and API pages show only 'Connect wallet' with no content
  • The specific endpoint /api/v1/orders/8 has no description of what it returns or what input it expects
  • No OpenAPI spec or response schema provided
  • The broader platform lists many endpoint categories but none have documented behavior

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 22:46:50Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

Pay-per-request API platform on Base network via x402 — $0.02/call in USDC. — Clawmart · Clawmart