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/130

What it does

This endpoint at `/api/v1/ach/130` 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 protocol on the Base network, accepting USDC payments with no API keys, no rate limits, and no commitments.

The specific endpoint `/api/v1/ach/130` is listed under the title "Premium API Access" but its exact functionality is unclear from the available documentation. The site's landing page catalogs endpoints across categories like analytics, AI, finance, and infrastructure utilities, all priced at $0.02 per request. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires payment of up to 20,000 base units of USDC (0x8335…) on Base — which equals $0.02 given USDC's 6 decimals.

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 the `/api/v1/ach/130` endpoint actually returns. The "ACH" path segment suggests it may relate to ACH (Automated Clearing House) banking or payment data, but this is speculative. Prospective users should test the endpoint directly to determine its behavior.

Capabilities

x402-paymentusdc-basepay-per-requestno-api-keypost-method

Use cases

  • —Accessing premium data or services with per-request USDC micropayments on Base
  • —Integrating pay-as-you-go API calls into agent workflows without managing API keys
  • —Programmatic access to ACH-related data or functionality (speculative)

Fit

Best for

  • —Developers wanting keyless, pay-per-request API access settled in USDC on Base
  • —AI agents that can autonomously pay for API calls via x402
  • —Users who prefer no-commitment, no-subscription API pricing

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —Applications requiring free or high-volume bulk access at discounted rates

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/130 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/130
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, no OpenAPI schema, no request/response examples, and the actual functionality of /api/v1/ach/130 is unknown. The listing is effectively a stub.

Warnings

  • —The exact functionality of /api/v1/ach/130 is unknown — 'Premium API Access' is a generic title with no further description.
  • —All documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no usable content.
  • —No OpenAPI schema or request/response examples are available.
  • —The 'ACH' path segment may imply regulated financial services (ACH payments); verify compliance requirements before use.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 01:49:00Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-27

Agent access

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