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/62

What it does

This endpoint at `/api/v1/ach/62` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs settled via the x402 protocol on the Base network using USDC. The specific function of the `/api/v1/ach/62` path is not documented — the provider labels it generically as "Premium API Access" — so its exact purpose is unclear. It may relate to ACH (Automated Clearing House) payment data or processing given the URL path, but this is speculative.

The endpoint is live and returns a valid x402 challenge. Pricing is $0.02 per request (maxAmountRequired of 20,000 base units of USDC, which has 6 decimals = $0.02). Payment is made in USDC on Base to the specified payTo address. The platform advertises no API keys, no rate limits, and instant access — you simply attach an x402 payment header to each POST request.

The broader lowpaymentfee.com platform lists endpoints across data/analytics, AI/ML (sentiment, summarization, classification, embeddings), finance/Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation), all at the same $0.02/request price point. However, documentation is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what this specific ACH endpoint accepts or returns.

Capabilities

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

Use cases

  • —Accessing ACH-related data or functionality on a per-request payment basis
  • —Integrating pay-per-call financial endpoints into agent workflows without API key management
  • —Programmatic access to premium API services settled in USDC on Base

Fit

Best for

  • —Agents or developers who want keyless, pay-per-request API access
  • —Use cases requiring USDC-settled micropayments on Base L2
  • —Quick integration without subscription commitments

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —High-volume use cases where per-request pricing may add up compared to subscription plans
  • —Anyone needing clarity on exactly what this endpoint returns before paying

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/62 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/62
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 /api/v1/ach/62 actually does, what inputs it accepts, or what it returns. No OpenAPI schema, no examples, no docs pages with content. The listing is effectively a stub.

Warnings

  • —The exact functionality of /api/v1/ach/62 is unknown — 'Premium API Access' is a generic label applied across the platform.
  • —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no usable content.
  • —No OpenAPI schema or request/response examples are available.
  • —The 'ACH' in the path suggests financial/payment functionality but this is unconfirmed — exercise caution with any regulated financial data.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:02:20Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/v7xjhz
Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required. — Clawmart · Clawmart