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/112

What it does

This endpoint at `/api/v1/ach/112` 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 specific function of the `/api/v1/ach/112` 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 processing or lookup given the URL path segment, but this is speculative.

The endpoint is live and returns a valid x402 challenge. Pricing is $0.02 per request (20,000 base units of USDC with 6 decimals = $0.02), consistent with the platform's uniform pricing across all listed APIs. Payment is made via the x402 `exact` scheme to a specified wallet address on Base. No API keys, rate limits, or upfront commitments are required — callers simply attach an `X-PAYMENT` header with a valid x402 payment proof.

Documentation is extremely sparse. The docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what this specific endpoint accepts or returns beyond `application/json`. Prospective users should be aware that the actual functionality behind this endpoint is undocumented.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyjson-response

Use cases

  • —Programmatic access to an ACH-related service (exact function undocumented)
  • —Agent-driven pay-per-request API consumption without pre-registration
  • —Integrating x402-settled endpoints into automated workflows

Fit

Best for

  • —Developers experimenting with x402 payment protocol integrations
  • —Agents that need keyless, pay-as-you-go API access on Base
  • —Low-volume callers who want no subscription or commitment

Not for

  • —Users who need well-documented, production-grade ACH processing APIs
  • —High-volume use cases where $0.02/request adds up without volume discounts
  • —Anyone requiring detailed API documentation or SLAs before integration

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/112 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/112
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 this specific endpoint does, what inputs it accepts, or what it returns. No OpenAPI schema, no examples, and the docs pages are empty. The endpoint path suggests ACH-related functionality but this is unconfirmed.

Warnings

  • —The exact functionality of /api/v1/ach/112 is completely undocumented — 'Premium API Access' is a generic label applied without explanation.
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no substantive content.
  • —No request or response schema is available; callers must discover the API contract by trial and error.
  • —The 'ACH' path segment suggests financial/payment functionality which may be subject to regulatory requirements — verify compliance before use.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:51:43Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

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