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/accounts/125

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/125` 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, accepting POST requests and settling payments in USDC (contract 0x8335…2913 on Base) to address 0x1A2B…85F3. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02 per call. The endpoint returns application/json responses with a 300-second payment timeout.

The specific functionality of `/api/v1/accounts/125` is not documented beyond the label "Premium API Access." The platform's landing page lists other endpoints (metrics, reports, sentiment analysis, summarization, classification, embeddings, price feeds, exchange rates, geocoding, etc.) but does not describe what the accounts endpoint returns. Documentation pages (/docs, /api, /pricing, /README) all rendered only a "Connect wallet" prompt with no substantive content.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responseno-api-keyaccounts-api

Use cases

  • —Accessing account data via a single micropayment without subscription or API key
  • —Agent-driven workflows that need on-demand API access with crypto settlement
  • —Testing x402 payment protocol integrations against a live endpoint

Fit

Best for

  • —Developers wanting zero-commitment, pay-as-you-go API access
  • —AI agents that can settle x402 payments in USDC on Base
  • —Prototyping x402 payment flows at low cost ($0.02/call)

Not for

  • —Users who need detailed documentation or schema definitions before integrating
  • —High-volume consumers who would benefit from bulk pricing or subscriptions

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/125 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/125
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 for what /api/v1/accounts/125 actually returns, no request/response schema, and all doc pages are empty. The specific functionality is unknown.

Warnings

  • —The exact purpose and response format of /api/v1/accounts/125 is undocumented — the label 'Premium API Access' is generic and uninformative.
  • —All documentation pages (/docs, /api, /pricing, /README) returned only 'Connect wallet' with no usable content.
  • —No OpenAPI spec, request schema, or response schema is available.
  • —The accounts endpoint does not appear in the platform's own listed API catalog on the landing page.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:15:13Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/7YnEzB
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart