x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/accounts/194

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol on the Base network. The specific resource `/api/v1/accounts/194` 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, payable in USDC (USD Coin) on Base 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 at contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`. The maximum amount required per call is 20,000 base units, which equals $0.02 (USDC uses 6 decimals). The timeout for payment is 300 seconds.

However, the specific functionality of the `/api/v1/accounts/194` endpoint is unclear. The provider's landing page lists various API categories (metrics, reports, sentiment analysis, summarization, price feeds, geocoding, etc.) but does not document an "accounts" endpoint. No OpenAPI schema, detailed documentation, or example request/response payloads are available — the docs, pricing, and API pages all render only a "Connect wallet" prompt. This makes it difficult to determine what data or service this particular endpoint returns.

Capabilities

x402-paymentusdc-on-baseper-request-billingno-api-keypost-methodjson-response

Use cases

  • —Accessing premium API data with per-request USDC micropayments on Base
  • —Agent-driven workflows that need keyless, pay-as-you-go API access
  • —Programmatic account data retrieval behind an x402 paywall

Fit

Best for

  • —Developers wanting no-signup, pay-per-use API access
  • —AI agents with x402-compatible wallets on Base
  • —Users who prefer on-chain micropayments over subscription billing

Not for

  • —Users who need detailed API documentation or schemas before integrating
  • —High-volume use cases where per-request pricing may add up
  • —Anyone without a Base-compatible USDC wallet

Quick start

# Send a POST with x402 payment header to access the endpoint
curl -X POST https://lowpaymentfee.com/api/v1/accounts/194 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/194
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 documentation, no OpenAPI schema, no example requests or responses, and the specific purpose of the /api/v1/accounts/194 resource is undocumented. The docs/pricing/API pages all render only 'Connect wallet' with no useful content.

Warnings

  • —The specific functionality of /api/v1/accounts/194 is not documented anywhere on the provider's site.
  • —No OpenAPI schema, request/response examples, or detailed documentation are available.
  • —The docs, pricing, and API pages render only a 'Connect wallet' prompt — no substantive content.
  • —The 'accounts' path does not appear in the provider's listed API categories, raising questions about what this endpoint actually does.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:51:41Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/wNM3us
x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required. — Clawmart · Clawmart