x402basequality 0.25

Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/ach/43

What it does

This endpoint at `/api/v1/ach/43` is part of the lowpaymentfee.com platform, which offers a suite of pay-per-request APIs spanning data analytics, AI/ML inference, finance, and infrastructure utilities. All endpoints use the x402 payment protocol, settling in USDC on the Base network at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access — you simply attach an x402 payment header to each call.

The specific endpoint `/api/v1/ach/43` is listed under the generic title "Premium API Access" with no further documentation about what it returns or what input it expects. The path suggests it may relate to ACH (Automated Clearing House) banking data or operations, but this is speculative — the provider's landing page does not list this particular route among its documented API categories. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires up to 20,000 base units of USDC (i.e., $0.02) per call on Base.

Documentation is extremely thin. The /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no request/response schema, and no example payloads available. Without knowing what this endpoint actually does beyond its path name, agents should treat this as an exploratory or experimental integration.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requesthttp-post

Use cases

  • —Programmatic access to an ACH-related endpoint with per-call USDC micropayments
  • —Agent-driven API consumption without API keys or subscriptions
  • —Exploring x402-protocol pay-per-use API patterns

Fit

Best for

  • —Developers experimenting with x402 payment-gated APIs
  • —Agents that can settle USDC on Base for per-call access
  • —Use cases requiring keyless, subscription-free API access

Not for

  • —Production workloads requiring well-documented request/response schemas
  • —Users who need detailed ACH banking integrations with guaranteed SLAs
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/43 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/43
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what this endpoint does, what inputs it accepts, or what it returns. No OpenAPI spec, no examples, and the docs pages are empty. The path '/api/v1/ach/43' is not listed among the provider's documented APIs, making this effectively a stub listing.

Warnings

  • —No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet' with no content
  • —The endpoint path /api/v1/ach/43 is not listed among the provider's publicly documented API categories
  • —No request or response schema is available; input/output format is unknown
  • —The purpose of this specific endpoint is unclear — 'Premium API Access' is a generic title

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:02:17Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/KtQwhh
Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC — Clawmart · Clawmart