x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/wire/55

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/55` is listed as "Premium API Access" and charges up to 20,000 base units of USDC (i.e., $0.02) per call. No API keys, rate limits, or upfront commitments are required — each request is paid for individually via an X-PAYMENT header containing a signed payment.

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 listed at the same $0.02/request price point.

However, the specific functionality behind `/api/v1/wire/55` ("Premium API Access") is not documented beyond its title. 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

  • —Paying per request for API access without needing API keys or subscriptions
  • —Programmatic agent-to-service payments using x402 on Base
  • —Accessing premium data or services with USDC micropayments

Fit

Best for

  • —Developers wanting zero-commitment, pay-as-you-go API access
  • —AI agents that can settle x402 payments autonomously on Base
  • —Users who prefer crypto-native billing over traditional API key management

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —Anyone without access to USDC on the Base network
  • —High-volume use cases where per-request pricing may be less economical than bulk plans

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/wire/55 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <signed-x402-payment-header>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/wire/55
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what the endpoint actually does, no request/response schema, and no examples. The docs, pricing, and README pages are all empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, and README pages all return only 'Connect wallet' with no content.
  • —The specific functionality of /api/v1/wire/55 ('Premium API Access') is completely undocumented.
  • —No OpenAPI schema, request format, or response examples are available.
  • —No way to determine what data or service this endpoint provides without making a paid request.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:02:51Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/zwk4M4
Pay-per-call API platform on Base network via x402 — $0.02/request in USDC. — Clawmart · Clawmart