x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

lowpaymentfee.com is an x402-enabled API platform that offers a broad catalog of pay-per-request endpoints across data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints are priced at $0.02 per request, paid in USDC on the Base network, with no API keys, no rate limits, and no commitments required. The x402 protocol handles payment inline: callers attach a payment header to each request and receive the response immediately.

The specific endpoint at `/api/v1/orders/95` is listed as "Premium API Access" and accepts POST requests. Its x402 challenge advertises a max amount of 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02 given USDC's 6 decimals. The payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.

The broader platform advertises endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point. However, documentation is extremely thin: 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 detailed documentation for any endpoint, including this one. The actual behavior and response format of `/api/v1/orders/95` is unknown beyond its MIME type of `application/json`.

Capabilities

x402-paymentpay-per-requestusdc-baseno-api-keyjson-responsepost-method

Use cases

  • Accessing premium API data without needing API key registration
  • Making one-off API calls paid directly in USDC on Base
  • Agent-driven workflows that need instant, keyless API access

Fit

Best for

  • Developers who want zero-signup, pay-as-you-go API access
  • AI agents that can settle x402 payments autonomously
  • Users already holding USDC on Base network

Not for

  • Users who need detailed API documentation or guaranteed SLAs
  • Anyone without USDC on Base or an x402-compatible client

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/orders/95 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, confirming it works. However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty (showing only 'Connect wallet'). The purpose of '/api/v1/orders/95' specifically is unclear — it's labeled generically as 'Premium API Access' with no further detail. This is effectively a stub listing.

Warnings

  • No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'
  • No OpenAPI or schema describing request parameters or response format
  • The specific purpose of /api/v1/orders/95 is unclear; 'Premium API Access' is a generic label
  • No request or response examples available anywhere in crawled content

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 21:32:04Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-25

Agent access

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