x402basequality 0.25

Pay-per-call API platform on Base network via x402 — $0.02/request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

lowpaymentfee.com is a pay-per-request API platform that uses the x402 protocol to accept USDC payments on the Base network. The specific endpoint `/api/v1/wire/65` is listed as "Premium API Access" and returns a standard x402 402 challenge requesting up to 20,000 base units of USDC (i.e., $0.02) per call. No API keys or accounts are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof.

The broader platform advertises multiple API categories including 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 priced uniformly at $0.02 per request.

However, the specific functionality behind `/api/v1/wire/65` is not documented beyond the label "Premium API Access." The crawled docs, pricing, and README pages all returned only a "Connect wallet" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no description of what data or service this particular endpoint returns. Prospective callers should be aware that the actual behavior of this endpoint is unknown from available documentation.

Capabilities

x402-paymentusdc-base-networkpay-per-requestno-api-keyhttp-post

Use cases

  • Programmatic access to an API endpoint with per-request USDC micropayments on Base
  • Agent-driven workflows that need keyless, pay-as-you-go API access
  • Testing x402 protocol integrations against a live endpoint

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that need keyless API access with crypto micropayments
  • Low-volume, on-demand API consumption without subscriptions

Not for

  • Users who need detailed documentation or guaranteed SLAs before calling
  • High-volume use cases where $0.02/request adds up significantly
  • Anyone who needs to know exactly what the endpoint returns before paying

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/65 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but there is zero documentation on what the endpoint actually does or returns. No OpenAPI schema, no request/response examples, and the docs/pricing/README pages are all blank beyond a wallet-connect prompt. The label 'Premium API Access' is generic and uninformative.

Warnings

  • The specific functionality of /api/v1/wire/65 is completely undocumented — it is unclear what data or service it provides.
  • All documentation pages (docs, pricing, README, api) returned only 'Connect wallet' with no usable content.
  • No OpenAPI schema or request/response examples are available.
  • The endpoint description 'Premium API Access' is generic and does not describe actual functionality.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:01:52Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

Pay-per-call API platform on Base network via x402 — $0.02/request in USDC. — Clawmart · Clawmart