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/74

What it does

lowpaymentfee.com is an x402-enabled API platform that offers a variety of endpoints across data & analytics, AI & machine learning, finance & Web3, and infrastructure/utility categories. All endpoints are priced at $0.02 per request, payable in USDC on the Base network with no API keys, no rate limits, and no commitments required.

The specific endpoint at `/api/v1/transfers/74` is listed as "Premium API Access" and accepts POST requests. Its x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made via the x402 exact scheme to the specified payTo address, with a 300-second timeout.

The broader platform advertises 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. However, documentation pages (docs, pricing, API, README) all returned only a "Connect wallet" prompt with no substantive content, so the actual functionality behind each endpoint is unverified. The specific purpose of the `/api/v1/transfers/74` endpoint beyond its "Premium API Access" label is unclear from available material.

Capabilities

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

Use cases

  • —Accessing premium API services with per-request USDC micropayments on Base
  • —Integrating pay-as-you-go API calls into agent workflows without API key management
  • —Making one-off API requests without subscription commitments

Fit

Best for

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

Not for

  • —Users needing detailed API documentation or schemas before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/transfers/74 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/transfers/74
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no request/response examples, and the actual functionality of this specific endpoint ('Premium API Access' at /transfers/74) is entirely opaque. All doc pages returned only 'Connect wallet' with no content.

Warnings

  • —The purpose and functionality of /api/v1/transfers/74 ('Premium API Access') is not documented anywhere in the crawled material.
  • —All documentation pages (docs, pricing, API, README) returned only a 'Connect wallet' prompt with no substantive content.
  • —No OpenAPI spec, request schema, or response schema is available — integration requires trial and error.
  • —The platform lists many endpoint categories but none have verifiable documentation.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 14:19:11Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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