x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
What it does
This endpoint at `/api/v1/nfts/67` is part of the lowpaymentfee.com platform, which offers a broad catalog of x402-protocol pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. The specific resource at `/nfts/67` is labeled "Premium API Access" and returns JSON content. It is gated behind an x402 payment challenge requiring USDC on the Base network.
The x402 challenge advertises a maximum amount of 20,000 base units of USDC (contract `0x8335…2913`, 6 decimals), which equals $0.02 per request. Payment is made via the `exact` scheme to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout. The endpoint accepts HTTP POST requests and is discoverable.
The broader platform advertises uniform $0.02/request pricing across all endpoints, with no API keys, no rate limits, and no minimum commitments. However, the specific response schema and data returned by `/api/v1/nfts/67` are not documented — the listing title "Premium API Access" and the path segment "nfts/67" suggest it may return NFT-related data for a specific resource ID, but this is not confirmed by available documentation.
Capabilities
Use cases
- —Fetching NFT metadata or details for a specific token/resource via a single paid API call
- —Integrating pay-per-request NFT data into agent workflows without managing API keys
- —Programmatic access to NFT information settled in USDC on Base L2
Fit
Best for
- —Agents or bots that need on-demand NFT data without subscription overhead
- —Developers testing x402 payment flows with low-cost endpoints
- —Web3 applications needing USDC-settled API access on Base
Not for
- —High-volume NFT data ingestion where per-call pricing adds up quickly
- —Users who need detailed API documentation or guaranteed response schemas
- —Applications requiring non-crypto payment methods
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/nfts/67 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documentation of request/response formats, and the purpose of '/api/v1/nfts/67' is only vaguely implied by its path. The crawled pages beyond the landing page returned only 'Connect wallet' with no useful content.
Warnings
- —No documentation exists for the /api/v1/nfts/67 endpoint — its actual response payload is unknown.
- —The endpoint name 'Premium API Access' is generic and does not describe what data is returned.
- —No OpenAPI spec, no example responses, and no detailed docs were found on the site.
- —The broader platform lists many endpoint categories but none specifically for NFTs, making this endpoint's purpose unclear.
Citations
- —The x402 challenge requires 20,000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base, equaling $0.02 per request.https://lowpaymentfee.com/api/v1/nfts/67
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on the Base network.https://lowpaymentfee.com
- —Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout using the exact scheme.https://lowpaymentfee.com/api/v1/nfts/67