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

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/accounts/160` 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 `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base). The `maxAmountRequired` of 20000 base units corresponds to $0.02 (USDC uses 6 decimals). The payment scheme is "exact" with a 300-second timeout. The endpoint returns `application/json` responses.

However, the specific functionality of `/api/v1/accounts/160` is not documented — it does not appear in the site's listed API catalog, which covers analytics, AI, finance, and utility endpoints. The "Premium API Access" label is generic and does not clarify what data or service this particular account endpoint returns. No OpenAPI schema, request/response examples, or detailed documentation were found. The docs, pricing, API, and README pages all rendered only a "Connect wallet" prompt with no substantive content.

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 access to account-level data via x402 payment protocol

Fit

Best for

  • Developers wanting zero-commitment pay-per-use API access
  • AI agents that can settle x402 payments in USDC on Base
  • Users who prefer no API key or subscription overhead

Not for

  • Users needing detailed documentation or guaranteed SLAs before integrating
  • Anyone requiring non-crypto payment methods
  • Use cases requiring high-volume batch access at discounted rates

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/160 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but the specific functionality of /api/v1/accounts/160 is undocumented. No OpenAPI schema, request/response examples, or meaningful documentation pages were found — docs pages only show 'Connect wallet'. The endpoint path does not match any listed API on the site.

Warnings

  • The specific endpoint /api/v1/accounts/160 is not listed in the site's public API catalog — its purpose is unclear
  • All documentation pages (docs, pricing, API, README) returned only 'Connect wallet' with no substantive content
  • No OpenAPI spec, request schema, or response examples are available
  • The generic 'Premium API Access' description does not explain what this endpoint actually does

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:30:27Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart