x402basequality 0.30

x402-payable 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/generate/resource/68

What it does

lowpaymentfee.com is an x402-enabled API platform that exposes a broad catalog 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 via the x402 protocol — no API keys, no rate limits, and no upfront commitments.

The specific endpoint at `/api/v1/generate/resource/68` is listed as "Premium API Access" and returns a 402 challenge requesting up to 20,000 base units of USDC (i.e., $0.02) on Base. It accepts HTTP POST requests and returns `application/json`. Payment is made via the x402 exact scheme to the specified payTo address, with a 300-second timeout.

Documentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no usage examples available. The exact functionality behind the "Premium API Access" resource/68 endpoint is unclear from the available material.

Capabilities

x402-paymentusdc-basepay-per-requestdata-analyticsai-inferencesentiment-analysistext-summarizationclassificationembeddingsfinance-datageocodingjson-api

Use cases

  • —Agent-driven data retrieval with per-call USDC micropayments
  • —On-demand AI inference (sentiment, summarization, classification) without API key management
  • —Fetching real-time finance and crypto market data via x402
  • —Utility operations like geocoding and data conversion with no subscription

Fit

Best for

  • —Developers or agents wanting zero-signup, pay-per-use API access
  • —Crypto-native workflows that can settle USDC on Base
  • —Low-volume or bursty usage patterns where subscriptions are wasteful

Not for

  • —Users who need detailed API documentation or guaranteed SLAs
  • —High-throughput production workloads requiring well-documented schemas and error handling
  • —Users without access to USDC on Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/68 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>" \
  -d '{}'

Endpoint

URLhttps://lowpaymentfee.com/api/v1/generate/resource/68
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but documentation is essentially nonexistent — all doc pages show only 'Connect wallet'. There is no OpenAPI spec, no request/response schema, and no examples. The purpose of 'resource/68' specifically is unexplained. Pricing is clear ($0.02 USDC on Base) but everything else must be inferred from the homepage listing.

Warnings

  • —Documentation pages (/docs, /pricing, /api, /README) are all empty beyond a 'Connect wallet' prompt
  • —No OpenAPI or schema documentation available for any endpoint
  • —The specific functionality of /api/v1/generate/resource/68 ('Premium API Access') is undocumented
  • —No request body schema or response schema is provided — callers must guess at the expected input

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:38:38Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

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