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

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/88` 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/88` is not documented beyond the generic label "Premium API Access." The path suggests it may relate to ACH (Automated Clearing House) payment processing or data, 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 further content. Callers should treat this endpoint with caution until its actual behavior is verified.

Capabilities

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

Use cases

  • Programmatic access to an ACH-related service with per-call USDC payment
  • Agent-driven API consumption without pre-registration or API key management
  • Integrating pay-as-you-go endpoints into automated workflows on Base

Fit

Best for

  • Developers wanting zero-signup, pay-per-request API access
  • AI agents that can settle x402 payments in USDC on Base
  • Prototyping workflows that need instant, keyless API access

Not for

  • Users who need detailed documentation or guaranteed SLAs before integrating
  • High-volume use cases where per-request pricing at $0.02 adds up significantly
  • Anyone who cannot settle payments in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/88 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>" \
  -d '{}'

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (returns a valid 402 x402 challenge), but there is no documentation, no request/response schema, and no explanation of what '/api/v1/ach/88' actually does. The site's docs/pricing/API pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • No documentation available — docs, pricing, and API pages all render only 'Connect wallet' with no content.
  • The actual functionality of /api/v1/ach/88 is unknown; 'Premium API Access' is a generic label with no specifics.
  • No request or response schema is provided; callers cannot know what to send or what to expect back.
  • The 'ach' path segment suggests possible financial/payment functionality which may be subject to regulatory requirements.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:05:42Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

Pay-per-call ACH endpoint on Base via x402 — $0.02/request in USDC, no API keys required. — Clawmart · Clawmart