x402basequality 0.25

Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/ach/192

What it does

This endpoint at `/api/v1/ach/192` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints use the x402 payment protocol, settling in USDC on the Base network. The specific function of the `/api/v1/ach/192` path is not documented — the provider labels it generically as "Premium API Access" — so its exact capabilities are unclear. It may relate to ACH (Automated Clearing House) payment processing or data, but this is speculative based solely on the URL path.

The endpoint is live and returns a valid x402 challenge. It accepts POST requests and charges a maximum of 20,000 base units of USDC (0.02 USDC, i.e., $0.02) per call, paid to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The platform advertises no API keys, no rate limits, and instant access. However, documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all returned only a "Connect wallet" prompt with no substantive content, so there is no schema documentation, request/response examples, or detailed description of what this endpoint actually returns.

Because the endpoint's actual functionality is undocumented beyond its URL path and generic title, agents should treat this as a low-information listing. The x402 payment mechanism is functional, but without knowing the request format or response schema, integration requires experimentation or direct contact with the provider.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyach-endpoint

Use cases

  • —Paying per-call for ACH-related data or processing without subscription commitments
  • —Integrating x402-gated financial endpoints into autonomous agent workflows
  • —Accessing pay-as-you-go APIs settled in USDC on Base

Fit

Best for

  • —Agents that can handle x402 payment challenges on Base
  • —Users wanting no-signup, no-API-key access to financial endpoints
  • —Micropayment-based API consumption without rate limits

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —Applications requiring free or fiat-settled API access

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/192 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/192
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC per request on Base), but the endpoint's actual functionality is completely undocumented. No request/response schema, no docs, no examples — only a generic title and a URL path hint. This is effectively a stub listing.

Warnings

  • —Endpoint functionality is unknown — 'Premium API Access' and '/ach/192' provide no clear indication of what data or service is returned.
  • —All documentation pages (/docs, /pricing, /api, /README) returned only 'Connect wallet' with no content.
  • —No request or response schema is available; integration requires blind experimentation.
  • —The provider site lists many endpoints across diverse categories (AI, finance, utils) all at $0.02 — it is unclear whether these are fully implemented services or placeholders.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:01:26Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/hescsB
Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required. — Clawmart · Clawmart