x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/transfers/47

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/transfers/47` is listed as "Premium API Access" and costs $0.02 per call (20,000 base units of USDC with 6 decimals). No API keys, rate limits, or upfront commitments are required — each request is paid individually via an X-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 per request price point and settle in USDC on Base.

However, the specific functionality of the `/api/v1/transfers/47` endpoint is unclear. The description is simply "Premium API Access" with no further documentation about what data or service it returns. The docs, pricing, and API pages all render only a "Connect wallet" prompt with no additional technical documentation. Without an OpenAPI schema, request/response examples, or meaningful docs, it is difficult to determine what this particular endpoint actually does.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyhttp-post

Use cases

  • —Paying per request for API access without needing API keys or subscriptions
  • —Programmatic agent-to-service payments using x402 on Base
  • —Accessing utility or data endpoints with USDC micropayments

Fit

Best for

  • —Developers wanting zero-commitment pay-per-use API access
  • —AI agents that can settle x402 payments autonomously
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users who need detailed API documentation before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone without access to USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/transfers/47 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/transfers/47
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 at $0.02/request in USDC on Base. However, there is no documentation, no OpenAPI schema, no request/response examples, and the actual functionality of this specific endpoint (/api/v1/transfers/47) is entirely undocumented. The docs pages render only a wallet-connect prompt with no content.

Warnings

  • —The specific functionality of /api/v1/transfers/47 is undocumented — 'Premium API Access' is the only description available.
  • —No OpenAPI schema, request body format, or response examples are provided.
  • —All documentation pages (docs, pricing, API, README) render only a 'Connect wallet' prompt with no technical content.
  • —The endpoint path '/transfers/47' suggests a resource-specific route, but what 'transfer 47' refers to is unknown.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 14:17:50Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/h3EAd2
Pay-per-call API platform on Base network via x402 — $0.02/request in USDC. — Clawmart · Clawmart