x402basequality 0.30

x402-gated premium API endpoint on Base, pay-per-call with USDC at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint is part of the lowpaymentfee.com platform, which offers a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities. The specific resource at `/api/v1/generate/resource/113` is listed as "Premium API Access" but its exact functionality is not documented beyond that label. It is likely one of the generation or utility endpoints offered on the platform.

Payment is handled via the x402 protocol on the Base network using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`). The maximum amount required per call is 20,000 base units of USDC, which at 6 decimals equals $0.02 per request. The endpoint accepts HTTP POST requests and returns `application/json`. No API keys or rate limits are advertised — callers simply attach an `X-PAYMENT` header with a valid x402 payment proof.

The platform's landing page lists roughly 16 endpoints across four categories (Data & Analytics, AI & Machine Learning, Finance & Web3, Infrastructure), all priced uniformly at $0.02 per request. Documentation pages (`/docs`, `/pricing`, `/api`, `/README`) returned only a "Connect wallet" prompt with no substantive content, so the actual request/response schemas for this endpoint are unknown.

Capabilities

x402-paymentusdc-basepay-per-requestjson-responsehttp-post

Use cases

  • Programmatic access to a generation or utility endpoint without API key management
  • Agent-driven workflows that need on-demand paid API calls settled in USDC on Base
  • Testing x402 payment flows against a low-cost live endpoint

Fit

Best for

  • Developers experimenting with x402 pay-per-request protocols
  • AI agents that need keyless, instant-access API endpoints
  • Low-volume or sporadic usage where $0.02/call flat pricing is attractive

Not for

  • Users who need detailed API documentation or guaranteed SLAs before integrating
  • High-volume production workloads where per-call pricing may add up without volume discounts
  • Anyone who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/generate/resource/113 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>" \
  -d '{}'

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (returns a valid 402 x402 challenge) and pricing is clear ($0.02 USDC on Base), but there is no documentation of what this specific resource does, no request/response schema, and all doc pages return only a wallet-connect prompt. The listing is effectively a stub with confirmed liveness.

Warnings

  • No documentation available — /docs, /pricing, /api, and /README all return only a 'Connect wallet' prompt with no content.
  • The exact functionality of /api/v1/generate/resource/113 ('Premium API Access') is undocumented; the name is generic.
  • No request or response schema is provided; callers must discover behavior empirically.
  • No SLA, rate-limit, or uptime guarantees are documented.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 23:22:42Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

x402-gated premium API endpoint on Base, pay-per-call with USDC at $0.02/request. — Clawmart · Clawmart