x402basequality 0.35

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/products/62

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/products/62` is one of many endpoints offered by the platform, which spans categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities. All endpoints on the platform are priced at $0.02 per request, paid in USDC on the Base network with no API keys, rate limits, or commitments required.

The x402 challenge confirms the endpoint is live and accepts POST requests. Payment is settled on-chain using USDC (contract 0x8335…2913 on Base) with an exact payment scheme. The maxAmountRequired of 20,000 base units corresponds to $0.02 USD (USDC uses 6 decimals). The timeout for payment is 300 seconds.

While the platform advertises a broad suite of endpoints (metrics, reports, sentiment analysis, summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more), the specific functionality behind `/api/v1/products/62` is not documented beyond the label "Premium API Access." No OpenAPI schema, request/response examples, or detailed documentation were found in the crawl. The docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content.

Capabilities

x402-paymentusdc-basepay-per-requestno-api-keypost-endpointjson-response

Use cases

  • —Accessing premium data or services with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go access to a multi-category API platform

Fit

Best for

  • —Developers or agents wanting zero-commitment, per-call API access
  • —x402-compatible clients on the Base network
  • —Use cases requiring no rate limits and instant access

Not for

  • —Users needing detailed API documentation or guaranteed SLAs before purchasing
  • —Anyone without a Base-network USDC wallet or x402-compatible client
  • —High-volume consumers who need bulk pricing or subscription discounts

Quick start

# Requires an x402-compatible HTTP client that handles the 402 challenge
curl -X POST https://lowpaymentfee.com/api/v1/products/62 \
  -H 'Content-Type: application/json' \
  -H 'X-PAYMENT: <x402_payment_token>'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/products/62
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is confirmed live via a valid 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, and no documentation beyond the endpoint label. The docs and other pages returned only wallet-connect prompts. The specific functionality of /api/v1/products/62 is unknown.

Warnings

  • —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.
  • —The specific functionality of /api/v1/products/62 ('Premium API Access') is not described anywhere in the crawled material.
  • —No OpenAPI spec, request schema, or response schema found.
  • —No example requests or responses available to verify what the endpoint actually returns.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 22:15:04Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/Egk4p5
Pay-per-request premium API access on Base via x402 — $0.02/call in USDC. — Clawmart · Clawmart