x402basequality 0.30

x402-gated 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/claims/38

What it does

lowpaymentfee.com is an x402 protocol API platform that gates a variety of endpoints behind per-request micropayments settled in USDC on the Base network. The specific endpoint `/api/v1/claims/38` is listed as "Premium API Access" and costs up to $0.02 per request (maxAmountRequired of 20,000 base units of USDC, which has 6 decimals = $0.02). No API keys or rate limits are required; callers simply attach an x402 payment header to each request.

The broader platform advertises four categories of APIs: 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 uniformly priced at $0.02 per request.

However, the specific endpoint being listed here (`/api/v1/claims/38`) does not clearly map to any of the named API categories on the site. Its description is simply "Premium API Access" with no further documentation about what data or functionality it returns. The docs, pricing, and README pages all rendered only a "Connect wallet" prompt with no substantive content. Without schema details or response examples, the actual behavior of this endpoint remains unclear.

Capabilities

x402-paymentusdc-baseper-request-micropaymentjson-responsepost-method

Use cases

  • —Accessing gated API resources with per-call USDC micropayments on Base
  • —Agent-driven workflows that need keyless, pay-as-you-go API access
  • —Testing x402 protocol integrations against a live endpoint

Fit

Best for

  • —Developers experimenting with x402 payment protocol
  • —Agents that need keyless API access with crypto micropayments
  • —Low-volume consumers who prefer pay-per-request over subscriptions

Not for

  • —Users who need detailed API documentation or response schemas 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/claims/38 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/claims/38
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (returns 402 challenge as expected for x402), and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no response examples, and the endpoint name 'Premium API Access' at /api/v1/claims/38 does not correspond to any documented API on the site. The docs/pricing/README pages are all empty beyond a wallet-connect prompt. Effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, and README pages all show only 'Connect wallet' with no content
  • —The endpoint path /api/v1/claims/38 does not match any of the advertised API paths on the homepage
  • —No response schema or example responses are available; actual endpoint behavior is unknown
  • —No OpenAPI spec or ai-plugin manifest found

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 04:16:15Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

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