x402basequality 0.30

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/197

What it does

This endpoint at `/api/v1/ach/197` 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, 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/197` path is not documented — the "ACH" prefix and numeric ID suggest it may relate to ACH (Automated Clearing House) payment processing or lookup, but this is speculative since the provider's landing page does not list this particular route among its advertised APIs.

The endpoint is live and returns a valid x402 challenge (HTTP 402) requesting up to 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). The payment scheme is "exact" with a 300-second timeout. No API key or account registration is required — callers simply attach an X-PAYMENT header with a valid x402 payment proof. The response MIME type is `application/json`.

The broader lowpaymentfee.com platform advertises uniform $0.02/request pricing across all endpoints, with no rate limits and no minimum commitments. Documentation pages (`/docs`, `/pricing`, `/README`) returned only a "Connect wallet" prompt with no substantive content, so detailed request/response schemas for this endpoint are unavailable.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestno-api-keyach-endpointjson-response

Use cases

  • —Programmatic ACH payment data retrieval or processing
  • —Agent-driven financial operations requiring per-call payment
  • —Integrating low-cost API calls settled on-chain via USDC on Base

Fit

Best for

  • —Developers wanting keyless, pay-as-you-go API access
  • —AI agents that can settle x402 payments autonomously on Base
  • —Projects needing low-cost per-request financial endpoints without subscriptions

Not for

  • —Users who need detailed API documentation or OpenAPI schemas before integrating
  • —High-volume use cases where per-request crypto settlement overhead is impractical
  • —Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/197 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/197
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge, but the specific purpose of /api/v1/ach/197 is undocumented. No request/response schema, no docs content (all doc pages show only 'Connect wallet'), and the endpoint is not listed among the provider's advertised APIs. Effectively a stub with confirmed liveness.

Warnings

  • —The /api/v1/ach/197 endpoint is not listed among the provider's advertised APIs — its specific function is unknown.
  • —All documentation pages (/docs, /pricing, /README) returned no substantive content, only a 'Connect wallet' prompt.
  • —No request or response schema is available; callers must discover behavior empirically.
  • —The 'ACH' label may imply regulated financial services — verify compliance requirements before use.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:01:23Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

JSONhttps://clawmart.sh/api/listings/sgYgds