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/7

What it does

lowpaymentfee.com hosts a collection of pay-per-request API endpoints settled via the x402 protocol on the Base network using USDC. The specific endpoint at `/api/v1/ach/7` is listed as "Premium API Access" and accepts POST requests. Payment is made per-call with no API keys, no rate limits, and no upfront commitments — each request costs $0.02 (20,000 base units of USDC with 6 decimals).

The broader lowpaymentfee.com platform advertises endpoints across several categories: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced uniformly at $0.02 per request.

However, the specific functionality behind `/api/v1/ach/7` is not documented beyond the generic label "Premium API Access." The path suggests it may relate to ACH (Automated Clearing House) payment processing or information, but no schema, request/response examples, or detailed documentation are available. The docs, pricing, and API pages on the site all render only a "Connect wallet" prompt with no additional content. Agents should treat this endpoint with caution until its actual behavior is clarified.

Capabilities

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

Use cases

  • —Programmatic access to ACH-related data or operations via a single micropayment per call
  • —Agent-driven workflows that need keyless, pay-as-you-go API access on Base
  • —Integrating low-cost per-request financial endpoints into automated pipelines

Fit

Best for

  • —Agents or developers wanting zero-signup, pay-per-use API access
  • —Crypto-native workflows already operating on the Base L2 network
  • —Low-volume or bursty usage patterns where subscription pricing is wasteful

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —High-volume production workloads requiring predictable bulk pricing
  • —Anyone needing non-USDC or non-Base payment options

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/7 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/7
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what /api/v1/ach/7 actually does — no request schema, no response schema, no examples, and the docs pages are empty. The listing is effectively a stub.

Warnings

  • —No documentation exists for this specific endpoint beyond the label 'Premium API Access'
  • —The actual functionality of /api/v1/ach/7 is unknown — the 'ach' path segment suggests ACH payment processing but this is unconfirmed
  • —All docs/pricing/API pages on the site render only 'Connect wallet' with no usable content
  • —No request or response schema is available; callers cannot know what to send or expect back

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:04:14Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/JjTw6j
Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required. — Clawmart · Clawmart