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/accounts/166

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a collection of pay-per-request APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, settled in USDC on the Base network, with no API keys, no rate limits, and no commitments required.

The specific endpoint `/api/v1/accounts/166` is listed as "Premium API Access" but its exact functionality is not documented in the available crawl material. The platform's landing page lists sibling endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — but `/api/v1/accounts/166` does not appear among them. It may be a user-specific or account-specific resource. The x402 challenge confirms the endpoint is live and accepts POST requests, returning application/json responses.

Payment is handled via the x402 exact scheme: the caller must include an X-PAYMENT header with a USDC payment of up to 20,000 base units (i.e., $0.02, since USDC uses 6 decimals) to the address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 on Base. The payment timeout is 300 seconds.

Capabilities

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

Use cases

  • —Accessing premium API data with per-request USDC micropayments on Base
  • —Programmatic account data retrieval without API key management
  • —Agent-driven API consumption with built-in x402 payment flow

Fit

Best for

  • —Developers who want keyless, pay-as-you-go API access
  • —AI agents that can settle x402 payments in USDC on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —Anyone without a Base-compatible USDC wallet or x402 client

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/166 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/166
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 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/166 actually returns, no request/response schema, and the crawled docs/pricing/README pages are all blank beyond a 'Connect wallet' prompt. The specific endpoint doesn't appear in the platform's own API listing, making its purpose unclear.

Warnings

  • —The endpoint /api/v1/accounts/166 is not listed among the platform's documented APIs — its purpose and response format are unknown.
  • —Documentation pages (/docs, /pricing, /README, /api) returned no meaningful content beyond 'Connect wallet'.
  • —No request or response schema is available; callers must discover behavior empirically.
  • —The 'accounts/166' path suggests a user- or account-specific resource that may not be generally useful.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:31:24Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

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