x402basequality 0.30

x402-gated product inventory endpoint on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/products/69/inventory

What it does

This endpoint at lowpaymentfee.com provides access to a product inventory resource (product ID 69) via the x402 payment protocol. It is part of a broader platform that offers numerous pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated behind x402 micropayments on the Base network.

The specific endpoint `/api/v1/products/69/inventory` is labeled "Premium API Access" by the provider. The x402 challenge confirms it is live, accepting POST requests, and requires payment in USDC (contract 0x8335…2913 on Base). The maximum amount required is 20,000 base units of USDC, which at 6 decimals equals $0.02 per request. Payment is made via the x402 "exact" scheme to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.

Documentation is extremely sparse. The provider's landing page lists many API categories but the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the inventory data actually contains or what fields the POST body expects. The endpoint's purpose — product inventory lookup — is inferred solely from the URL path and the generic "Premium API Access" label.

Capabilities

x402-paymentusdc-micropaymentbase-networkproduct-inventorypay-per-requestno-api-key

Use cases

  • —Querying inventory status for a specific product via micropayment
  • —Integrating pay-per-request product data into agent workflows
  • —Accessing product data without API key registration

Fit

Best for

  • —Agents that can settle x402 payments in USDC on Base
  • —Use cases needing on-demand product inventory without subscription commitments
  • —Developers exploring x402 micropayment-gated APIs

Not for

  • —Users needing detailed API documentation or schemas before integration
  • —High-volume inventory queries where per-request pricing adds up
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/products/69/inventory \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/products/69/inventory
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live via a valid 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, and no meaningful documentation — the docs pages all render only 'Connect wallet'. The endpoint's actual data content and expected input are unknown.

Warnings

  • —No OpenAPI or schema documentation available — request body and response format are completely unknown
  • —All documentation pages (docs, pricing, API, README) return only a 'Connect wallet' prompt with no content
  • —The endpoint path suggests product inventory but the provider labels it generically as 'Premium API Access' — actual functionality is unverified
  • —This specific endpoint (/products/69/inventory) is not listed on the provider's landing page among their advertised APIs

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 20:02:04Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/GkatvX
x402-gated product inventory endpoint on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart