x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
What it does
This endpoint at `/api/v1/nfts/65` is part of the lowpaymentfee.com platform, which offers a collection of x402 protocol-gated APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. The specific endpoint appears to serve NFT-related data (resource ID 65) and is accessed via HTTP POST with payment settled in USDC on the Base network.
The x402 challenge confirms the endpoint is live and accepts exact-scheme payments. The maximum amount required is 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API key or account registration is needed — callers simply attach an X-PAYMENT header conforming to the x402 protocol.
The broader lowpaymentfee.com platform advertises a uniform $0.02-per-request pricing model across all its endpoints with no rate limits, no minimums, and no API keys. However, the crawled documentation is extremely thin — the `/api`, `/pricing`, and `/README` pages all returned only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no documentation describing what data this NFT endpoint actually returns or what parameters it accepts. The endpoint's purpose must be inferred entirely from its URL path.
Capabilities
Use cases
- —Fetching NFT metadata or details for a specific token (ID 65) on demand
- —Agent-driven NFT data retrieval with automatic micropayment settlement
- —Integrating NFT information into Web3 dashboards without managing API keys
Fit
Best for
- —Developers wanting zero-signup, pay-per-call NFT data access
- —AI agents that can settle x402 payments autonomously on Base
- —Prototyping or low-volume NFT data lookups without subscription commitments
Not for
- —High-volume NFT indexing where per-request 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/65 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-header>"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request parameters, response schema, or what the NFT endpoint actually returns. No OpenAPI spec, no examples, and all doc pages resolve to a bare 'Connect wallet' prompt. This is effectively a stub listing.
Warnings
- —No API documentation available — /api, /pricing, and /README pages all return only 'Connect wallet'
- —No OpenAPI or JSON schema describing request parameters or response format
- —The exact data returned by /api/v1/nfts/65 is unknown; 'Premium API Access' is a generic label used across all endpoints
- —Cannot verify what NFT data (if any) is actually served behind the paywall
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/nfts/65
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/nfts/65
- —Platform advertises $0.02 per request, no API keys, no rate limitshttps://lowpaymentfee.com
- —Payment timeout is 300 secondshttps://lowpaymentfee.com/api/v1/nfts/65