x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
What it does
This endpoint at `/api/v1/nfts/34` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. The specific resource at `/nfts/34` is labeled "Premium API Access" and returns JSON content. It accepts POST requests and settles payments on the Base network using USDC (contract `0x8335…2913`).
The x402 challenge advertises a `maxAmountRequired` of 20,000 base units. Since USDC uses 6 decimals, this translates to $0.02 per request — consistent with the site-wide flat pricing of $0.02/request. The platform emphasizes no API keys, no rate limits, no minimums, and instant access. Payment is made via the x402 `exact` scheme with a 300-second timeout.
The exact data returned by `/api/v1/nfts/34` is not documented. The endpoint title is simply "Premium API Access," and no OpenAPI spec, request/response schema, or detailed documentation was found. The site's other pages (pricing, README, API docs) all resolve to a minimal "Connect wallet" page, offering no additional technical detail. Because of this, the precise purpose and response shape of this NFT-related endpoint remain unclear.
Capabilities
Use cases
- —Fetching NFT-related data on a per-request payment basis without API keys
- —Integrating pay-per-call NFT data into agent workflows via x402 protocol
- —Accessing premium content gated behind USDC micropayments on Base
Fit
Best for
- —Agents or apps that need keyless, pay-per-use NFT data access
- —Developers experimenting with x402 payment protocol integrations
- —Low-volume consumers who prefer per-request pricing over subscriptions
Not for
- —Users needing well-documented, schema-defined NFT APIs with guaranteed response formats
- —High-volume consumers who would benefit from bulk pricing or subscriptions
- —Anyone requiring fiat-only payment rails
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/nfts/34 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI spec, no documented request/response schema, no examples, and no meaningful documentation beyond the endpoint title. The actual data returned is unknown, making this effectively a stub listing.
Warnings
- —No OpenAPI or schema documentation available for this endpoint
- —The exact purpose and response format of /api/v1/nfts/34 is undocumented
- —All documentation pages (pricing, README, API) resolve to a minimal 'Connect wallet' page with no technical content
- —The endpoint title 'Premium API Access' is generic and does not describe the actual data returned
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units in USDC on Base network with a 300-second timeouthttps://lowpaymentfee.com/api/v1/nfts/34
- —Site-wide pricing is $0.02 per request with no API keys, no rate limits, no minimumshttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/nfts/34