x402basequality 0.30

x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/nfts/46

What it does

This endpoint at `/api/v1/nfts/46` is part of the lowpaymentfee.com platform, which offers a suite of x402-protocol pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. The specific endpoint appears to serve NFT-related data (resource ID 46), though the exact response payload is not documented. Payment is settled on the Base network using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) via the x402 "exact" scheme.

The x402 challenge advertises a `maxAmountRequired` of 20,000 base units. USDC uses 6 decimals, so this translates to $0.02 per request — consistent with the platform's uniform $0.02/request pricing across all listed endpoints. No API keys are required; callers simply attach an `X-PAYMENT` header with a valid x402 payment proof. The platform advertises no rate limits and instant access.

Documentation is extremely sparse. The landing page lists endpoint paths and prices but provides no request/response schemas, parameter descriptions, or usage examples. The `/api`, `/pricing`, and `/README` pages all resolve to a minimal "Connect wallet" prompt with no additional content. The NFTs endpoint specifically (`/api/v1/nfts/46`) is not listed on the homepage's API catalog, making its purpose and output format unclear. Treat this as an experimental or lightly-documented service.

Capabilities

x402-paymentusdc-settlementbase-networknft-datapay-per-requestno-api-key

Use cases

  • —Fetching NFT metadata or details via a single paid request
  • —Agent-driven NFT data retrieval without API key management
  • —Programmatic access to NFT information settled on Base L2

Fit

Best for

  • —Agents that can settle x402 payments in USDC on Base
  • —Developers wanting keyless, pay-per-use NFT data access
  • —Low-volume or sporadic NFT data lookups at $0.02 each

Not for

  • —High-volume NFT indexing where per-call costs add up quickly
  • —Users who need detailed API documentation or guaranteed SLAs
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/nfts/46 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-proof>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/nfts/46
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (returns a valid x402 402 challenge), but documentation is essentially nonexistent. No request/response schema, no parameter descriptions, and the specific NFTs endpoint isn't even listed on the provider's homepage catalog. Pricing is clear but everything else must be inferred.

Warnings

  • —No request or response schema documented for this endpoint
  • —The /api/v1/nfts/46 path is not listed in the provider's public API catalog — its purpose is unclear
  • —All documentation pages (/api, /pricing, /README) return only a 'Connect wallet' prompt with no useful content
  • —No examples, error codes, or rate limit details available

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-22 00:46:08Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/LttkVV
x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart