x402basequality 0.25

x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/ach/94

What it does

lowpaymentfee.com is an x402-protocol API marketplace that gates access to a variety of endpoints behind per-request USDC micropayments on the Base network. The specific endpoint at `/api/v1/ach/94` is listed as "Premium API Access" and accepts POST requests. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request given USDC's 6 decimal places.

The broader platform advertises four categories of APIs: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at the same $0.02/request price point. The platform emphasizes no API keys, no rate limits, no minimums, and instant access — payment is handled entirely via the x402 payment header.

Documentation is extremely sparse. The /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no detailed documentation for any endpoint. The specific function of the `/api/v1/ach/94` endpoint (the "ach" path segment and numeric ID "94") is unclear — it does not map to any of the categories listed on the homepage. Without documentation or example payloads, the actual behavior of this endpoint cannot be determined from available information.

Capabilities

x402-paymentusdc-micropaymentbase-networkper-request-billingpost-apino-api-key

Use cases

  • —Paying per-request for API access without managing API keys or subscriptions
  • —Integrating micropayment-gated data or utility services into agent workflows
  • —Accessing on-demand API endpoints settled via USDC on Base

Fit

Best for

  • —Developers wanting zero-commitment, pay-as-you-go API access
  • —AI agents that can settle x402 payments autonomously
  • —Projects needing low-cost per-call API access on Base

Not for

  • —Users who need detailed API documentation or schemas before integrating
  • —High-volume use cases where per-request pricing may add up without bulk discounts
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/ach/94 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/ach/94
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (returns a valid x402 402 challenge), but there is no documentation, no OpenAPI schema, no request/response examples, and the specific purpose of /api/v1/ach/94 is unclear. The docs, pricing, and README pages are all empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —The specific function of /api/v1/ach/94 is unknown — the 'ach' path does not correspond to any category listed on the homepage.
  • —All documentation pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no usable content.
  • —No OpenAPI schema, no request/response examples, and no detailed endpoint descriptions are available.
  • —The platform lists many endpoint categories but provides no evidence of actual functionality behind them.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 02:07:59Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/xGeGUy
x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request. — Clawmart · Clawmart