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/126

What it does

This endpoint at `/api/v1/ach/126` 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 pricing model is simple: $0.02 per request with no API keys, no rate limits, and no minimum commitments.

The specific endpoint `/api/v1/ach/126` is listed under the title "Premium API Access" but its exact functionality is unclear from the available documentation. The path segment `ach/126` suggests it may relate to ACH (Automated Clearing House) banking or payment data, but this is not confirmed by the crawled material. The site's docs, pricing, and API pages all render only a "Connect wallet" prompt with no additional documentation or schema details.

The x402 challenge confirms the endpoint is live, accepts POST requests, and requires payment of up to 20,000 base units of USDC (0x8335…) on Base, which equals $0.02. Payment is made via the `exact` scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout. No request body schema or response schema is documented.

Capabilities

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

Use cases

  • —Accessing ACH or payment-related data on a per-call basis without subscription
  • —Integrating pay-per-request APIs into agent workflows using x402 protocol
  • —Testing x402 payment flows with a low-cost endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents needing on-demand API access without API key management
  • —Low-volume or sporadic API consumers who prefer pay-per-call pricing

Not for

  • —Users needing detailed API documentation or request/response schemas before integration
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/126 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/126
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and the x402 challenge is well-formed with clear pricing ($0.02 USDC on Base). However, there is no documentation for this specific endpoint's purpose, no request/response schema, and the docs/pricing/API pages are all empty beyond a wallet connect prompt. The endpoint's actual function (ACH data? payment processing?) is unknown.

Warnings

  • —No request or response schema available — endpoint behavior is undocumented
  • —The specific function of /api/v1/ach/126 is unclear; 'Premium API Access' is a generic label
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no content
  • —If this endpoint relates to ACH banking data, it may fall under financial regulation

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:53:26Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

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