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/13

What it does

This endpoint at `/api/v1/ach/13` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs settled via x402 on the Base network using USDC. The specific endpoint is listed as "Premium API Access" but its exact functionality is unclear — the path suggests ACH (Automated Clearing House) payment-related operations, but no documentation, request/response schemas, or usage examples are available beyond the generic listing.

The platform advertises a flat $0.02 per request across all endpoints, with no API keys, no rate limits, and instant access. The x402 challenge confirms the endpoint is live, accepting POST requests and requiring payment of up to 20,000 base units of USDC (0.02 USDC = $0.02) on the Base network. Payment is made to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout.

The site lists dozens of endpoints spanning data analytics, AI/ML inference, finance/crypto data, and infrastructure utilities, all at the same price point. However, documentation pages (`/docs`, `/pricing`, `/README`, `/api`) return only a "Connect wallet" prompt with no substantive content. Without request/response schemas or examples, it is impossible to confirm what this specific endpoint actually does or what parameters it accepts.

Capabilities

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

Use cases

  • —Programmatic ACH payment initiation or lookup via a single pay-per-call request
  • —Agent-driven financial operations without requiring API key registration
  • —Integrating low-cost payment infrastructure into automated workflows

Fit

Best for

  • —Developers wanting zero-signup, pay-per-use API access
  • —AI agents that can settle x402 payments on Base in USDC
  • —Prototyping financial integrations without subscription commitments

Not for

  • —Production ACH payment processing requiring regulatory compliance guarantees and SLAs
  • —Users who need detailed API documentation and response schemas before integration
  • —High-volume use cases where per-request pricing may not be cost-effective

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/13 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/13
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 the endpoint actually does, what request body it expects, or what it returns. The docs, pricing, and README pages are all empty beyond a wallet-connect prompt. The 'Premium API Access' label and '/ach/13' path are the only clues to functionality.

Warnings

  • —No documentation available — all doc pages return only 'Connect wallet' with no content
  • —Endpoint purpose is unclear: 'Premium API Access' at /api/v1/ach/13 does not describe what it does
  • —No request or response schema provided anywhere
  • —No examples of successful responses
  • —The platform lists many endpoints but none appear to have public documentation
  • —ACH-related services may be subject to financial regulation — verify compliance before use

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:00:53Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

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