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/27

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource path (/api/v1/generate/resource/27) appears to be one of many endpoints offered by the platform, which spans categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities. All endpoints on the platform are priced at $0.02 per request (20,000 base units of USDC on Base network, where USDC uses 6 decimals).

The endpoint accepts POST requests and returns application/json responses. Payment is settled on the Base L2 network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The x402 challenge confirms the endpoint is live, with a max timeout of 300 seconds per request. No API keys or rate limits are advertised — access is purely pay-per-use via the x402 payment header.

The specific functionality behind resource/27 is not documented on the site. The platform lists various endpoint categories (metrics, reports, sentiment analysis, summarization, classification, embeddings, price feeds, geocoding, etc.) but the crawled documentation pages returned only "Connect wallet" with no further detail. Without additional documentation, the exact input/output schema for this particular resource cannot be determined.

Capabilities

x402-paymentpay-per-requestusdc-basejson-apino-api-keyno-rate-limit

Use cases

  • —Accessing premium API resources with per-call USDC micropayments on Base
  • —Agent-driven workflows that need keyless, on-demand API access
  • —Testing x402 payment protocol integrations against a live endpoint

Fit

Best for

  • —Developers experimenting with x402 pay-per-call patterns
  • —AI agents that need frictionless, keyless API access
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users who need detailed API documentation and guaranteed SLAs
  • —High-volume consumers who would benefit from bulk pricing or subscriptions
  • —Anyone without a Base-network USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/27 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/generate/resource/27
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC per call on Base). However, there is no documentation for this specific resource (resource/27), no input/output schema, no examples, and the docs/pricing/API pages all returned only 'Connect wallet'. The actual functionality behind this endpoint is unknown.

Warnings

  • —The specific functionality of /api/v1/generate/resource/27 is undocumented — the endpoint title 'Premium API Access' is generic and uninformative.
  • —All documentation pages (docs, api, pricing, README) returned only 'Connect wallet' with no usable content.
  • —No input or output schema is available; callers cannot determine what request body to send or what response to expect.
  • —The platform lists many endpoint categories but it is unclear which, if any, are fully functional.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 22:52:52Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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