x402basequality 0.30

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/80

What it does

This endpoint at `/api/v1/ach/80` 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/80` 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 fee calculations given the URL structure, but this is speculative.

The x402 challenge confirms the endpoint is live and accepts POST requests. The price is 20,000 base units of USDC (6 decimals), which equals $0.02 per request. Payment is made via the x402 `exact` scheme on the Base network to the specified wallet address. The provider advertises no API keys, no rate limits, and instant access across all their endpoints.

Documentation is extremely thin. The docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no additional content. There is no OpenAPI spec, no request/response schema, and no usage examples available. The endpoint's input and output formats must be discovered experimentally.

Capabilities

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

Use cases

  • —Programmatic access to ACH-related data or processing via micropayment
  • —Agent-driven financial API calls without pre-registration or API keys
  • —Integrating pay-per-use financial endpoints into automated workflows

Fit

Best for

  • —Developers wanting zero-signup API access with crypto micropayments
  • —AI agents that can settle x402 payments on Base in USDC
  • —Prototyping financial integrations without subscription commitments

Not for

  • —Users needing well-documented APIs with clear request/response schemas
  • —High-volume production use cases where $0.02/request adds up significantly
  • —Anyone who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/80 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/80
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 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 specific endpoint does, what inputs it expects, or what it returns. No OpenAPI spec, no examples, and all doc pages are empty. The endpoint path suggests ACH-related functionality but this is unconfirmed.

Warnings

  • —The specific function of /api/v1/ach/80 is undocumented — 'Premium API Access' is a generic label applied across the platform
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no useful content
  • —No request or response schema is available; input/output formats are unknown
  • —The 'ach' in the URL path may imply financial/payment processing, which could be a regulated category

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:04:10Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

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