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/40

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific path `/api/v1/accounts/40` 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 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with the x402 "exact" scheme. The max amount required is 20,000 base units, which at 6 decimals equals $0.02. No API keys are needed; callers simply attach an X-PAYMENT header with a valid x402 payment proof. The provider advertises no rate limits and instant access.

The specific functionality behind `/api/v1/accounts/40` is not documented beyond the label "Premium API Access." The provider's landing page lists other endpoints (metrics, reports, sentiment analysis, summarization, etc.) but does not detail what the accounts endpoint returns. Documentation pages (/docs, /pricing, /README) all render only a "Connect wallet" prompt with no additional content. Without further documentation or an OpenAPI schema, the exact request/response format for this particular endpoint remains unknown.

Capabilities

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

Use cases

  • —Accessing premium data or account information via a single pay-per-call request
  • —Integrating x402-based micropayments into agent workflows without API key management
  • —Programmatic access to account-level resources on a low-fee payment rail

Fit

Best for

  • —Developers or agents wanting keyless, pay-per-use API access
  • —x402-compatible wallets and agent frameworks on Base
  • —Low-cost micropayment experimentation ($0.02/call)

Not for

  • —Users who need detailed documentation or OpenAPI specs before integrating
  • —High-volume batch processing where per-call pricing may add up
  • —Anyone needing non-USDC or non-Base settlement

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/accounts/40 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/accounts/40
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, no OpenAPI schema, no request/response examples, and the specific purpose of /api/v1/accounts/40 is undocumented. All doc pages return only 'Connect wallet' with no content.

Warnings

  • —The specific functionality of /api/v1/accounts/40 is not documented anywhere in the crawled material.
  • —All documentation pages (/docs, /pricing, /README, /api) render only a 'Connect wallet' prompt with no useful content.
  • —No OpenAPI schema or request/response examples are available.
  • —The provider lists many endpoints on the landing page but none match this specific accounts path, so its purpose is unclear.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 00:30:39Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/6UXFsN
Pay-per-call premium API access on Base via x402 — $0.02/request in USDC. — Clawmart · Clawmart