x402basequality 0.35

Pay-per-request premium API access on Base via x402 at $0.02/call — no keys, no rate limits.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/products/32

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol on the Base network. It is one of many endpoints offered by the platform, which spans data & analytics, AI & machine learning, finance & Web3, and infrastructure utility categories — all priced at $0.02 per request settled in USDC on Base.

The specific endpoint `/api/v1/products/32` is listed under the umbrella "Premium API Access" but its exact functionality is not documented beyond the title. The platform advertises no API keys, no rate limits, and instant access. Payment is handled via the x402 protocol: callers receive a 402 challenge with payment details, settle in USDC (contract 0x8335…2913 on Base), and gain access to the response.

The broader platform offers 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. Documentation pages exist but appear gated behind a wallet connection, so detailed schemas and response formats are not publicly available.

Capabilities

x402-paymentpay-per-requestbase-networkusdc-settlementno-api-keyno-rate-limit

Use cases

  • —Accessing premium API services without managing API keys or subscriptions
  • —Programmatic pay-per-use access to data, AI, finance, or utility endpoints
  • —Agent-driven workflows that need instant, keyless API access settled on-chain

Fit

Best for

  • —Developers wanting zero-commitment, pay-as-you-go API access
  • —AI agents that can settle x402 payments autonomously on Base
  • —Users who prefer on-chain micropayments over traditional billing

Not for

  • —Users who need detailed API documentation before purchasing (docs are sparse/gated)
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Users without access to USDC on Base network

Quick start

# Send a POST with x402 payment header to access the endpoint
curl -X POST https://lowpaymentfee.com/api/v1/products/32 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/products/32
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation of what this specific endpoint returns, no request/response schema, and docs pages are gated behind wallet connection. The listing is effectively a stub with verified liveness.

Warnings

  • —No public documentation available — all doc pages require wallet connection
  • —The specific functionality of /api/v1/products/32 ('Premium API Access') is undocumented
  • —No request or response schema available
  • —Platform appears to be a generic API marketplace; actual backend service quality is unknown

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:01:21Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/zzxsdD
Pay-per-request premium API access on Base via x402 at $0.02/call — no keys, no rate limits. — Clawmart · Clawmart