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/77

What it does

This endpoint at `/api/v1/ach/77` is part of the lowpaymentfee.com platform, which offers a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. All endpoints use the x402 payment protocol, settling in USDC on the Base network. The specific function of the `/api/v1/ach/77` path is not documented beyond the generic label "Premium API Access," so its exact purpose is unclear — the "ach" prefix and numeric ID (77) suggest it may relate to ACH (Automated Clearing House) banking or payment data, but this is speculative.

The x402 challenge confirms the endpoint is live and accepts POST requests. It requires payment of up to 20,000 base units of USDC (0x8335…0913 on Base), which equals $0.02 per request (USDC uses 6 decimals). The platform advertises no API keys, no rate limits, and instant access. Payment is made via the x402 `exact` scheme to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.

Documentation is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what data this specific endpoint returns or what parameters it accepts.

Capabilities

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

Use cases

  • —Accessing ACH-related data or payment information on a per-request basis
  • —Agent-driven API consumption without pre-registration or API key management
  • —Programmatic pay-as-you-go access to financial endpoints using USDC on Base

Fit

Best for

  • —Developers or agents needing keyless, pay-per-call API access
  • —x402-compatible agents that can settle USDC on Base
  • —Low-volume or exploratory usage where $0.02/request is acceptable

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —High-volume consumers who need bulk pricing or rate-limit guarantees
  • —Anyone who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/77 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/77
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base), but there is zero documentation on what this endpoint actually does, what parameters it accepts, or what it returns. No OpenAPI schema, no examples, and all doc pages are empty. The endpoint's purpose is essentially unknown beyond a generic label.

Warnings

  • —The exact function of /api/v1/ach/77 is undocumented — 'Premium API Access' is a generic label with no specifics.
  • —All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content.
  • —No OpenAPI schema, request parameters, or response format are available.
  • —The 'ach' path component may imply regulated financial (ACH) data, but this is unconfirmed.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:04:43Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

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