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/66

What it does

This endpoint at `/api/v1/ach/66` 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 platform advertises a flat $0.02 per request with no API keys, no rate limits, and instant access.

The specific `/api/v1/ach/66` endpoint is listed under the title "Premium API Access" but its exact functionality is unclear from the available documentation. The path suggests it may relate to ACH (Automated Clearing House) payment processing or data, but no schema, request/response examples, or detailed docs are provided. The crawled docs, pricing, and API pages all returned only a "Connect wallet" prompt with no substantive content.

The x402 challenge confirms the endpoint is live, accepting POST requests and requiring payment of up to 20,000 base units of USDC (0x8335…) on Base, which equals $0.02 given USDC's 6 decimals. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No OpenAPI spec, input schema, or response schema is available beyond the basic x402 output schema indicating HTTP POST.

Capabilities

x402-paymentusdc-basepay-per-requesthttp-postach-endpoint

Use cases

  • —Programmatic ACH-related data retrieval or payment initiation via a single API call
  • —Agent-driven financial workflows that need pay-per-use ACH access without API key management
  • —Integrating low-cost payment or banking data endpoints into automated pipelines

Fit

Best for

  • —Developers wanting keyless, pay-per-call API access settled in USDC on Base
  • —AI agents that can handle x402 payment challenges natively
  • —Users who need ACH-related functionality without subscription commitments

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —High-volume batch ACH processing where per-call pricing would be expensive
  • —Anyone who cannot pay in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/66 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/66
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation, no input/output schema, no examples, and the exact purpose of /api/v1/ach/66 is unclear. The docs pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —Exact functionality of /api/v1/ach/66 is unknown — 'Premium API Access' is a generic label with no further documentation
  • —All documentation pages (docs, api, pricing, README) returned only 'Connect wallet' with no usable content
  • —No OpenAPI spec, request schema, or response schema available
  • —The ACH path component suggests possible financial/banking functionality which may be subject to regulatory requirements

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:08:27Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/2SeBuD
Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC — Clawmart · Clawmart