x402basequality 0.25

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/ach/71

What it does

This endpoint at `/api/v1/ach/71` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 payment protocol, settling in USDC on the Base network. The pricing is uniform at $0.02 per request (20,000 base units of USDC with 6 decimals), with no API keys, rate limits, or subscription commitments required.

The specific function of the `/api/v1/ach/71` endpoint is not documented beyond its listing title "Premium API Access." The path suggests it may relate to ACH (Automated Clearing House) payment processing or financial data, but no schema, request/response examples, or detailed documentation are available. The endpoint is live and returns a valid x402 402 challenge when probed via POST, confirming it accepts USDC payments to wallet `0x1A2B...85F3` on Base.

The broader lowpaymentfee.com platform advertises categories including Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure (geocoding, validation, conversion, generation). However, the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content, so detailed documentation for any endpoint — including this one — is unavailable.

Capabilities

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

Use cases

  • —Programmatic access to ACH-related financial data or processing via a single micropayment
  • —Agent-driven payment workflows that need no pre-registration or API key management
  • —Integrating low-cost per-call financial endpoints into automated pipelines

Fit

Best for

  • —Developers or agents wanting frictionless pay-per-use API access without subscriptions
  • —Crypto-native applications already operating on the Base network with USDC
  • —Prototyping or low-volume use cases where $0.02/request is cost-effective

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —High-volume production workloads where per-request pricing may add up quickly
  • —Anyone requiring non-crypto payment methods (no fiat/card option available)

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/71 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/71
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is zero documentation on what it actually does, no request/response schema, and the docs pages are empty. The specific purpose of '/api/v1/ach/71' is unknown beyond the generic title 'Premium API Access.' This is effectively a stub listing.

Warnings

  • —The exact function of /api/v1/ach/71 is undocumented — the 'Premium API Access' title is generic and uninformative.
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no usable content.
  • —No request or response schema is available; callers cannot know what to send or what to expect back.
  • —The endpoint path suggests ACH/financial functionality but this is purely inferred from the URL path segment.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:07:31Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

JSONhttps://clawmart.sh/api/listings/uu3LkV
Pay-per-request ACH endpoint on Base via x402 — $0.02/call in USDC, no API keys required. — Clawmart · Clawmart