NFT collection floor-price lookup via x402 micropayment on Base, $0.02 per request.
What it does
This endpoint returns floor-price data for NFT collection ID 27 hosted on lowpaymentfee.com. It is part of a broader suite of pay-per-call APIs offered by the same provider, spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services. All endpoints on the platform use the x402 protocol for payment, settling in USDC on the Base network at $0.02 per request.
The specific endpoint `/api/v1/collections/27/floor` accepts POST requests and returns JSON. Based on the URL structure, it likely provides the current floor price for a particular NFT or token collection (collection 27). However, the provider does not publish detailed documentation for this specific route — the crawled docs, 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 description of what collection 27 represents.
Payment is handled via the x402 exact-payment scheme. The challenge advertises a maxAmountRequired of 20,000 base units of USDC (contract 0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. No API keys or rate limits are advertised. The endpoint is live and returning a proper 402 challenge.
Capabilities
Use cases
- —Querying the current floor price of a specific NFT collection programmatically
- —Building trading bots or dashboards that need real-time NFT floor data
- —Agents that compare floor prices across collections before making purchase decisions
Fit
Best for
- —Developers needing on-demand NFT floor prices without API key management
- —AI agents that can settle x402 micropayments on Base
- —Low-volume or sporadic queries where per-call pricing is more economical than a subscription
Not for
- —High-frequency trading requiring sub-second latency guarantees (no SLA documented)
- —Users who need bulk historical floor-price data (endpoint appears to return current state only)
- —Anyone unable to settle USDC payments on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/collections/27/floor \
-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 documentation, no OpenAPI schema, no request/response examples, and no explanation of what collection 27 is. The crawled docs/pricing/README pages were all empty beyond a wallet-connect prompt. This is effectively a stub listing.
Warnings
- —No documentation available — docs, pricing, and README pages all return only 'Connect wallet' with no content.
- —No OpenAPI or JSON schema describing request parameters or response format.
- —Collection 27 is unidentified — it is unclear what NFT collection this refers to.
- —This specific endpoint (/api/v1/collections/27/floor) is not listed on the provider's homepage among their advertised APIs, raising questions about its status.
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/collections/27/floor
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/collections/27/floor
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com