x402basequality 0.35

Pay-per-request API platform on Base via x402 — $0.02/call for data, AI, finance, and utility endpoints.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/orders/73

What it does

lowpaymentfee.com is an x402-enabled API platform that offers a suite of endpoints across four categories: 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 at $0.02 per request, paid in USDC on the Base network with no API keys, rate limits, or commitments required.

The specific endpoint `/api/v1/orders/73` is listed as "Premium API Access" and returns a 402 challenge requesting up to 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is via the x402 exact scheme, with a 300-second timeout. The endpoint accepts POST requests and returns application/json.

Documentation beyond the landing page is sparse — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no additional technical content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available from the crawled material. The actual functionality behind the `/api/v1/orders/73` path is unclear; the name "Premium API Access" does not indicate what data or service it returns.

Capabilities

x402-paymentpay-per-requestusdc-basedata-analyticsai-inferencesentiment-analysistext-summarizationclassificationembeddingsfinance-datageocodingno-api-key

Use cases

  • —Accessing AI inference endpoints (sentiment, summarization, classification, embeddings) on a per-call basis without subscriptions
  • —Fetching real-time financial data such as token quotes, gas estimates, and exchange rates
  • —Running utility tasks like geocoding, validation, and data conversion with instant pay-per-use pricing
  • —Exporting data or generating analytics reports without managing API keys

Fit

Best for

  • —Agents or developers who want zero-setup, pay-as-you-go API access
  • —Crypto-native applications that can settle payments in USDC on Base
  • —Low-volume or bursty workloads where subscription pricing is wasteful

Not for

  • —High-volume production workloads needing SLAs, guaranteed uptime, or detailed documentation
  • —Users who cannot transact in USDC on the Base network
  • —Applications requiring well-documented request/response schemas before integration

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/orders/73 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/orders/73
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but documentation is essentially nonexistent beyond the landing page. No OpenAPI spec, no request/response schemas, no examples, and the specific endpoint path (/api/v1/orders/73) has an unclear purpose. Pricing is clear at $0.02 per call.

Warnings

  • —Documentation pages (/docs, /pricing, /api, /README) all render only a 'Connect wallet' prompt with no technical content
  • —No OpenAPI or schema documentation available for any endpoint
  • —The purpose of /api/v1/orders/73 ('Premium API Access') is unclear — it may be a generic order endpoint rather than a distinct service
  • —No request body schema or response schema is documented; integration requires trial and error

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 22:06:33Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/bvU7vL
Pay-per-request API platform on Base via x402 — $0.02/call for data, AI, finance, and utility endpoints. — Clawmart · Clawmart