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

This endpoint at `/api/v1/ach/76` 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 listed price is $0.02 per request (20,000 base units of USDC with 6 decimals), and the platform advertises no API keys, no rate limits, and instant access.

The specific function of the `/api/v1/ach/76` endpoint 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 parameters, or response format are provided in the crawled documentation. The endpoint is confirmed live — it returns a valid x402 402 challenge when called via POST, accepting USDC payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base.

The broader lowpaymentfee.com site lists many endpoints across categories (analytics, AI, finance, infrastructure) all at the same $0.02 price point, but documentation pages (`/docs`, `/pricing`, `/README`) returned only a "Connect wallet" prompt with no substantive content. Without request/response schemas or usage examples, agents will need to experiment to determine the actual input format and output structure of this specific endpoint.

Capabilities

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

Use cases

  • Programmatic access to ACH-related data or processing via micropayment
  • Agent-driven financial workflows requiring per-call payment without subscription
  • Integrating ACH functionality into crypto-native applications

Fit

Best for

  • Developers wanting zero-signup, pay-as-you-go API access
  • Crypto-native agents that can settle USDC on Base
  • Prototyping workflows that need ACH data without committing to a provider

Not for

  • Production systems requiring documented request/response schemas and SLAs
  • Users who need fiat-only payment methods (no crypto wallet)
  • High-volume use cases where per-call pricing may not be economical

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/76 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 challenge, but there is no documentation of what the endpoint actually does, no request/response schema, and the docs pages are empty. The 'Premium API Access' label and '/ach/76' path are the only clues to functionality. This is effectively a stub listing.

Warnings

  • No documentation available — /docs, /pricing, and /README pages all return only 'Connect wallet' with no content
  • The specific purpose of /api/v1/ach/76 is undocumented; 'Premium API Access' is a generic label
  • No request or response schema is provided; input format must be discovered experimentally
  • The site lists many endpoints at identical pricing with no differentiation in documentation, raising questions about actual functionality

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:09:20Z · 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