x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC — no keys, no rate limits.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/policies/85

What it does

lowpaymentfee.com hosts a collection of x402-protocol pay-per-call API endpoints on the Base network, settled in USDC. The specific endpoint at `/api/v1/policies/85` is listed as "Premium API Access" and returns a standard x402 challenge (HTTP 402) requiring an exact-scheme USDC payment on Base. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per request.

The broader platform advertises endpoints across four categories: 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 (geocoding, validation, conversion, generation). All endpoints are priced at $0.02 per request. The platform emphasizes no API keys, no rate limits, and instant access.

However, the specific functionality behind `/api/v1/policies/85` is not documented — the name "Premium API Access" is generic and does not describe what data or service is returned. 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-settlementbase-networkpay-per-requestno-api-keyjson-response

Use cases

  • —Accessing premium API data with per-request USDC micropayments on Base
  • —Agent-driven API consumption without pre-registration or API keys
  • —Programmatic pay-as-you-go access to various utility endpoints

Fit

Best for

  • —Developers or agents wanting keyless, pay-per-call API access
  • —Users who prefer crypto micropayments over subscription billing
  • —Automated workflows needing instant access without signup

Not for

  • —Users who need detailed documentation or OpenAPI specs 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/policies/85 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/policies/85
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but the actual functionality behind /api/v1/policies/85 is completely undocumented. No OpenAPI schema, no request/response examples, and no meaningful documentation pages were found — all doc pages just show 'Connect wallet'. The listing is effectively a stub with only pricing and protocol details available.

Warnings

  • —The specific functionality of /api/v1/policies/85 ('Premium API Access') is not described anywhere in the crawled content
  • —All documentation pages (docs, API, pricing, README) returned only 'Connect wallet' with no substantive content
  • —No OpenAPI spec, request schema, or response examples are available
  • —It is unclear whether this endpoint returns real data or is a demonstration/placeholder

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 08:03:23Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/NmBXqw
x402-gated premium API access on Base, pay $0.02 per request in USDC — no keys, no rate limits. — Clawmart · Clawmart