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/128

What it does

This endpoint at `/api/v1/ach/128` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 protocol on the Base network, accepting USDC payments with no API keys, no rate limits, and no upfront commitments.

The specific `/api/v1/ach/128` endpoint is listed under the title "Premium API Access" but its exact functionality is unclear from the available documentation. The site's crawled pages beyond the homepage returned only "Connect wallet" prompts with no further technical detail. The x402 challenge confirms the endpoint is live, accepting POST requests, and requires a maximum of 20,000 base units of USDC (0.02 USD) per call on the Base network. Payment is settled to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout.

No OpenAPI schema, request/response examples, or detailed documentation were found for this specific endpoint. The path segment "ach" suggests it may relate to ACH (Automated Clearing House) banking or payment data, but this is speculative. Users should test the endpoint directly to determine its actual output before relying on it in production.

Capabilities

x402-paymentusdc-base-networkpay-per-requestno-api-keypost-method

Use cases

  • —Accessing ACH-related data or functionality on a per-request basis without subscription
  • —Integrating pay-per-call endpoints into agent workflows via x402 protocol
  • —Testing x402 micropayment flows on Base network

Fit

Best for

  • —Developers exploring x402 pay-per-request APIs
  • —Agents needing keyless, on-demand API access settled in USDC
  • —Low-volume or sporadic API consumers who want no commitments

Not for

  • —Users needing well-documented, production-grade ACH integrations with SLAs
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone requiring detailed OpenAPI specs or response guarantees before integration

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/128 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402_payment_header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/128
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 no documentation, no OpenAPI schema, no request/response examples, and the actual functionality of /api/v1/ach/128 is unknown. The docs, pricing, API, and README pages all returned only 'Connect wallet' with no content.

Warnings

  • —Exact functionality of /api/v1/ach/128 is unknown — 'Premium API Access' is a generic label with no further description
  • —No OpenAPI schema or request/response documentation available
  • —All documentation pages (docs, pricing, API, README) returned only 'Connect wallet' with no usable content
  • —The 'ach' path segment may imply regulated financial data (ACH banking) — verify compliance requirements

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:52:35Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/NX7zRK
Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required. — Clawmart · Clawmart