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 path `/api/v1/accounts/9` is one of many endpoints offered by the provider, which hosts a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request.

The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with an x402 exact-payment scheme. The max amount required is 20,000 base units, which at 6 decimals equals $0.02 USD per call. No API keys are needed; access is granted instantly upon payment. The provider advertises no rate limits and no minimum commitments.

Note that the specific functionality of the `/api/v1/accounts/9` path is not documented beyond the label "Premium API Access." The provider's landing page lists many other endpoints (metrics, reports, sentiment analysis, summarization, embeddings, price feeds, geocoding, etc.) but does not describe what the accounts endpoint returns. The docs, pricing, and API pages all render only a "Connect wallet" prompt with no additional documentation. Treat this endpoint with caution — its actual response payload and input schema are unknown.

Capabilities

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

Use cases

  • Accessing premium account data via a single paid API call
  • Agent-driven workflows that need keyless, pay-as-you-go API access
  • Testing x402 payment flows on Base network

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • AI agents that need instant, keyless API access
  • Users who prefer per-request pricing with no subscriptions

Not for

  • Users who need detailed API documentation before integrating
  • High-volume use cases where $0.02/request adds up quickly
  • Anyone needing a well-documented, stable production API

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/9 \
  -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 (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation for the /api/v1/accounts/9 path — no input schema, no example responses, and the docs/pricing/API pages are empty beyond a wallet connect prompt. The actual functionality is unknown.

Warnings

  • The specific functionality of /api/v1/accounts/9 is undocumented — 'Premium API Access' is the only label provided.
  • All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no useful content.
  • No input or output schema is available; callers cannot know what to send or what to expect back.
  • The provider lists many endpoints on the landing page but none match this specific accounts path, suggesting it may be a generic or placeholder entry.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:53:47Z · 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