x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.
What it does
This endpoint at `/api/v1/nfts/93` is part of the lowpaymentfee.com platform, which offers a collection of pay-per-request APIs gated via the x402 protocol on the Base network. The specific resource appears to serve NFT-related data (resource ID 93), though the exact response payload is not documented. Payment is settled in USDC (contract `0x8335…2913` on Base) at a maximum cost of $0.02 per request (20,000 base units with 6 decimals). No API keys or rate limits are required — callers simply attach an `X-PAYMENT` header with a valid x402 payment proof.
The broader lowpaymentfee.com platform advertises endpoints across several categories: data & analytics, AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at the same $0.02/request price point. However, the `/api/v1/nfts/93` path is not listed on the homepage, so its exact functionality is unclear — it may return metadata or ownership data for a specific NFT.
The endpoint is confirmed live: it returns a well-formed x402 version 1 challenge with a 402 status code. Documentation is minimal — there is no OpenAPI spec, no example request/response, and the crawled pages beyond the homepage only show a "Connect wallet" prompt. The output schema indicates the endpoint accepts HTTP POST requests and is marked as discoverable.
Capabilities
Use cases
- —Fetching NFT data or metadata for a specific token on a per-request payment basis
- —Integrating NFT lookups into agent workflows without managing API keys
- —Programmatic access to NFT information settled via on-chain USDC micropayments
Fit
Best for
- —Agents or bots that need keyless, pay-as-you-go NFT data access
- —Developers prototyping Web3 applications who want instant API access without signup
- —Micropayment-based workflows on the Base L2 network
Not for
- —High-volume NFT data ingestion where per-request fees add up quickly
- —Users who need detailed API documentation or guaranteed SLAs before integrating
- —Non-crypto workflows that cannot produce x402 payment proofs
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/nfts/93 \
-H "X-PAYMENT: <x402-payment-proof>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is no documentation, no OpenAPI spec, no example requests or responses, and the specific /api/v1/nfts/93 path is not even listed on the provider's homepage. The actual data returned is unknown, making this effectively a stub listing.
Warnings
- —The /api/v1/nfts/93 endpoint is not listed on the provider's homepage among available APIs — its purpose and response format are undocumented.
- —No OpenAPI spec, example payloads, or detailed documentation are available.
- —Crawled pages (/api, /pricing, /README) returned only a 'Connect wallet' prompt with no useful content.
- —The exact nature of the NFT data returned is unknown — the listing is largely inferred from the URL path and x402 challenge.
Citations
- —The endpoint returns a valid x402 version 1 challenge with maxAmountRequired of 20000 in USDC on Basehttps://lowpaymentfee.com/api/v1/nfts/93
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/nfts/93
- —All listed endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The platform offers APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categorieshttps://lowpaymentfee.com