x402basequality 0.25

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/96

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/96` 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 subscriptions are required — each request is paid individually via an X-PAYMENT header containing a signed USDC transaction.

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 priced at $0.02 per request.

However, the specific functionality of the `/api/v1/transfers/96` 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 on the site all render only a "Connect wallet" prompt with no additional technical documentation. Without an OpenAPI schema, request/response examples, or meaningful documentation, the actual behavior of this endpoint remains unknown.

Capabilities

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

Use cases

  • —Accessing premium API services with per-request USDC micropayments on Base
  • —Agent-driven workflows that need keyless, pay-as-you-go API access
  • —Programmatic access to data or services without subscription commitments

Fit

Best for

  • —Developers who want to pay per API call without signing up for accounts
  • —AI agents with USDC on Base that need frictionless API access
  • —Prototyping and low-volume usage where subscriptions are overkill

Not for

  • —Users who need detailed API documentation or guaranteed SLAs
  • —High-volume production workloads where per-request pricing is expensive
  • —Users without USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/transfers/96 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <signed-x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/transfers/96
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (returns a valid 402 x402 challenge), but there is no documentation, no OpenAPI schema, no request/response examples, and the endpoint description is a generic 'Premium API Access' label. The docs pages render only 'Connect wallet' with no technical content. The actual functionality of this specific endpoint is unknown.

Warnings

  • —No documentation available — docs, pricing, and API pages all show only 'Connect wallet'
  • —No OpenAPI or schema describing request parameters or response format for /api/v1/transfers/96
  • —The endpoint name 'Premium API Access' is generic and does not describe what the endpoint actually does
  • —The specific path '/api/v1/transfers/96' does not match any of the advertised API categories on the landing page, raising questions about what it returns

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 14:23:27Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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