x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/item/46

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific endpoint `/api/v1/item/46` is one of many endpoints offered by the provider, which spans categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints 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 exact-scheme payments on Base. The asset address (0x8335…) corresponds to USDC on Base, and the maxAmountRequired of 20000 base units equals $0.02 (USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. The endpoint accepts HTTP POST requests and returns application/json.

However, the specific functionality behind `/api/v1/item/46` is unclear. It does not match any of the named endpoints listed on the provider's homepage (analytics, AI, finance, or utility routes). No OpenAPI schema, request/response examples, or detailed documentation were found — the docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without knowing what this particular item endpoint does, callers should treat it as an opaque premium resource.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responsehttp-post

Use cases

  • —Programmatic access to a premium resource with per-call USDC micropayments
  • —Agent-driven workflows that need keyless, on-demand API access
  • —Testing x402 payment flows on Base network

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that can settle USDC payments on Base
  • —Use cases requiring no-signup, no-API-key access

Not for

  • —Users who need detailed documentation or known response schemas before integrating
  • —High-volume callers who prefer subscription pricing over per-request payments
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/item/46 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/item/46
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but the specific functionality of /api/v1/item/46 is unknown. No OpenAPI schema, no request/response examples, and no meaningful documentation were found. The endpoint path does not match any named service on the homepage.

Warnings

  • —The specific purpose of /api/v1/item/46 is undocumented — it does not correspond to any named endpoint on the provider's homepage.
  • —All documentation pages (docs, API, pricing, README) returned only 'Connect wallet' with no useful content.
  • —No OpenAPI spec, request schema, or response schema available — callers cannot know what to send or expect back.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 20:49:39Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

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