x402basequality 0.35

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/30

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/item/30` 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 are priced at $0.02 per request, payable 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 to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The maximum amount required is 20,000 base units, which equals $0.02 (USDC uses 6 decimals). The response MIME type is `application/json`.

However, the specific functionality of `/api/v1/item/30` is unclear — it does not correspond to any of the named endpoints listed on the site's landing page (analytics, AI, finance, or utility routes). No OpenAPI schema, request/response examples, or detailed documentation were found. The docs, pricing, API, and README pages all returned only a "Connect wallet" prompt with no substantive content. Without knowing what this particular item endpoint returns, agents should treat this as a generic premium data endpoint with uncertain output.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keypost-method

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 various data and utility endpoints

Fit

Best for

  • —Agents that can settle x402 payments in USDC on Base
  • —Use cases requiring keyless, commitment-free API access
  • —Micropayment-friendly workflows at $0.02 per call

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —Applications requiring free or fiat-only payment methods
  • —Anyone needing to know the exact schema of /api/v1/item/30 before calling

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/item/30 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/item/30
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear at $0.02 USDC on Base. However, the specific resource /api/v1/item/30 is not documented anywhere on the site, no request/response schema exists, and all documentation pages are empty beyond a wallet-connect prompt. The purpose of this particular endpoint is unknown.

Warnings

  • —The path /api/v1/item/30 does not match any documented endpoint on the landing page — its actual functionality is unknown.
  • —No OpenAPI spec, request schema, or response schema is available.
  • —All documentation pages (docs, pricing, API, README) returned only 'Connect wallet' with no content.
  • —The endpoint's description is the generic 'Premium API Access' with no further detail.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:31:46Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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