x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/generate/resource/4

What it does

lowpaymentfee.com offers a suite of pay-per-request API endpoints gated by the x402 payment protocol on the Base network. This specific endpoint (`/api/v1/generate/resource/4`) is listed as "Premium API Access" and accepts POST requests. Payment is settled in USDC (contract 0x8335…2913 on Base) at a cost of $0.02 per call (20,000 base units with 6 decimals). No API keys, rate limits, or upfront commitments are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.

The broader platform advertises 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 uniformly at $0.02 per request.

Documentation is extremely sparse. The /docs, /pricing, /api, and /README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The specific functionality behind `/api/v1/generate/resource/4` (labeled "Premium API Access") is unclear — it does not map obviously to any of the named endpoints on the landing page. Callers should expect to experiment or contact the provider for details on what this endpoint actually returns.

Capabilities

x402-paymentpay-per-requestusdc-settlementbase-networkno-api-keypost-endpoint

Use cases

  • —Agents needing on-demand API access without pre-registration or API keys
  • —Programmatic access to utility/generation endpoints paid per call in USDC
  • —Testing x402 payment protocol integrations on Base

Fit

Best for

  • —Developers wanting zero-signup, pay-as-you-go API access
  • —AI agents with x402-compatible wallets on Base
  • —Low-volume or sporadic API consumers who want no commitments

Not for

  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —High-volume consumers who need bulk pricing or rate-limit guarantees
  • —Anyone without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/4 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/generate/resource/4
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 no documentation, no OpenAPI spec, no request/response schema, and no examples. The purpose of this specific resource path is ambiguous. Effectively a stub listing.

Warnings

  • —No OpenAPI spec or schema documentation available
  • —The /docs, /pricing, /api, and /README pages all return only a 'Connect wallet' prompt with no technical content
  • —The specific functionality of /api/v1/generate/resource/4 ('Premium API Access') is not described anywhere — it does not correspond to any named endpoint on the landing page
  • —No request body schema or response schema is documented

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:02:19Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-24

Agent access

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