x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/policies/41

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It 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 specific endpoint `/api/v1/policies/41` is labeled "Premium API Access" but its exact functionality is not documented beyond that title. The x402 challenge confirms it accepts POST requests, charges a maximum of 20,000 base units of USDC (which equals $0.02 given USDC's 6 decimals), and settles payments to a specified address on Base. The platform advertises instant access with no authentication beyond the x402 payment header.

Documentation on the site is extremely sparse — the docs, API, pricing, and README pages all only show a "Connect wallet" prompt with no additional technical content. There is no OpenAPI spec, no request/response schema documentation, and no examples available for this specific endpoint or any others on the platform.

Capabilities

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

Use cases

  • —Accessing premium API functionality with per-request USDC micropayments
  • —Integrating pay-as-you-go API calls without managing API keys or subscriptions
  • —Agent-driven API consumption using x402 payment protocol

Fit

Best for

  • —Developers wanting zero-commitment pay-per-use API access
  • —AI agents that can settle x402 payments autonomously
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed API documentation or schemas before integrating
  • —High-volume use cases where per-request pricing may add up
  • —Users without USDC on Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/policies/41 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/policies/41
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 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 endpoint actually does, no request/response schemas, and no examples. The 'Premium API Access' label is generic and uninformative. Docs pages are empty beyond wallet-connect prompts.

Warnings

  • —No documentation available for this specific endpoint's functionality
  • —No request or response schema provided
  • —All non-homepage pages only display 'Connect wallet' with no content
  • —The purpose of /api/v1/policies/41 is unclear — 'Premium API Access' is a generic label

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 08:01:00Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/z6s5f7
Pay-per-request premium API access on Base network via x402 protocol at $0.02/call in USDC. — Clawmart · Clawmart