x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/policies/15

What it does

lowpaymentfee.com is a platform offering a suite of pay-per-request APIs gated by the x402 protocol on the Base network. The specific endpoint `/api/v1/policies/15` is listed as "Premium API Access" and returns a standard x402 402 challenge requiring payment in USDC (contract 0x8335…2913 on Base). The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02 USD.

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 with no API keys, no rate limits, and no minimum commitments.

However, the specific functionality behind `/api/v1/policies/15` is not documented. The crawled docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no description of what data or service this particular endpoint returns. The endpoint is confirmed live (402 challenge captured), but its actual behavior after payment is unknown.

Capabilities

x402-paymentusdc-basepay-per-requestpremium-apijson-response

Use cases

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

Fit

Best for

  • —Developers wanting keyless, pay-per-request API access
  • —AI agents that can settle x402 payments on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed API documentation or schemas before purchasing
  • —Anyone without a Base-compatible USDC wallet
  • —High-volume consumers who need bulk pricing or rate guarantees

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/policies/15 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/policies/15
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live with a valid x402 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no request/response examples, and no description of what the /policies/15 endpoint actually returns. The docs, pricing, and README pages are all blank beyond a wallet-connect prompt.

Warnings

  • —No documentation available for /api/v1/policies/15 — actual response payload is unknown
  • —All crawled subpages (docs, api, pricing, README) returned only 'Connect wallet' with no content
  • —No OpenAPI or schema definition found
  • —The specific purpose of 'Premium API Access' at /policies/15 is not described anywhere

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 08:01:56Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/3yLycZ
x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart