x402basequality 0.25

x402-gated premium API access on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/claims/9

What it does

lowpaymentfee.com hosts a collection of x402-protocol pay-per-call API endpoints on the Base network, settling payments in USDC. The specific endpoint at `/api/v1/claims/9` is labeled "Premium API Access" and returns a 402 challenge requesting up to 20,000 base units of USDC (i.e., $0.02) per request. The site advertises no API keys, no rate limits, and instant access — callers simply attach an x402 payment header to each POST request.

The broader platform offers 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 listed at $0.02 per request.

However, the specific functionality behind `/api/v1/claims/9` is not documented beyond the generic label "Premium API Access." The crawled docs, pricing, and README pages all returned only a "Connect wallet" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no description of what data or service this particular endpoint returns. Callers should be aware that the actual behavior of this endpoint is unknown from available documentation.

Capabilities

x402-paymentpay-per-requestusdc-settlementbase-networkhttp-postno-api-keyno-rate-limits

Use cases

  • —Accessing premium data or services without API key registration
  • —Making one-off paid API calls settled in USDC on Base
  • —Integrating pay-per-request endpoints into agent workflows

Fit

Best for

  • —Developers who want keyless, pay-as-you-go API access
  • —AI agents with x402-compatible payment capabilities
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users who need detailed documentation or guaranteed SLAs before calling
  • —Anyone without a Base-compatible USDC wallet
  • —High-volume use cases where $0.02/request adds up significantly

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/claims/9 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/claims/9
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.25/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what the endpoint actually does, no OpenAPI schema, no request/response examples, and the docs/pricing/README pages are all blank beyond a wallet-connect prompt. The 'Premium API Access' label is completely generic.

Warnings

  • —The actual functionality of /api/v1/claims/9 is undocumented — 'Premium API Access' is the only description available.
  • —No OpenAPI schema, no request body schema, and no response examples are provided.
  • —All documentation pages (docs, pricing, README, api) returned only 'Connect wallet' with no useful content.
  • —The platform appears to be a demo or early-stage project; endpoint behavior is unverified beyond the 402 challenge.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 04:20:53Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/VE7g4x
x402-gated premium API access on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart