x402basequality 0.25

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/ach/141

What it does

This endpoint at `/api/v1/ach/141` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-call 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 platform advertises a flat $0.02 per request with no API keys, no rate limits, and no minimum commitments.

The specific endpoint `/api/v1/ach/141` is listed under the title "Premium API Access" but its exact functionality is unclear — the path suggests ACH (Automated Clearing House) banking-related data or operations, but no documentation, request/response schema, or usage examples are available. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires up to 20,000 base units of USDC (0.02 USDC, i.e., $0.02) per call on the Base network. Payment is made via the x402 `exact` scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`.

The provider's documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all returned only a "Connect wallet" prompt with no substantive content, so the actual request format, expected input parameters, and response structure for this endpoint remain unknown.

Capabilities

x402-paymentusdc-base-networkpay-per-requestno-api-keypost-endpointach-related

Use cases

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

Fit

Best for

  • —Developers wanting keyless, pay-per-use API access settled in USDC on Base
  • —AI agents that can pay per call via x402 without pre-registration
  • —Prototyping financial integrations with minimal upfront cost

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —High-volume production workloads where per-call pricing may not be cost-effective
  • —Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/141 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/141
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is confirmed live via a valid x402 402 challenge, but there is no documentation, no request/response schema, no examples, and the endpoint's actual functionality ("ACH/141") is unexplained. All doc pages return only a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —No documentation available — all doc pages return only 'Connect wallet' with no content
  • —Exact functionality of /api/v1/ach/141 is unknown; 'Premium API Access' is a generic label
  • —No request or response schema provided; callers cannot know what parameters to send or what to expect
  • —The endpoint path suggests ACH banking operations but this is unconfirmed

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:50:49Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

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