NFT collection floor-price endpoint, pay-per-call via x402 on Base with USDC.
What it does
This endpoint at lowpaymentfee.com returns the floor price for NFT collection ID 14. It is part of a broader platform offering pay-per-request APIs across data analytics, AI/ML, finance/Web3, and infrastructure categories, all settled via the x402 protocol on the Base network using USDC.
The specific endpoint `/api/v1/collections/14/floor` accepts POST requests and returns JSON. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). This is consistent with the site's advertised flat pricing of $0.02 per request across all endpoints. No API keys are required; payment is handled inline via the x402 payment header.
Documentation on the site is extremely sparse — the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no example request/response payloads, and no description of what fields the floor-price response contains. The endpoint is live (returns a proper 402 challenge), but without documentation it is difficult to know the exact response shape or what collection ID 14 refers to.
Capabilities
Use cases
- —Querying the current floor price of a specific NFT collection programmatically
- —Building dashboards or bots that track NFT collection valuations
- —Integrating NFT floor-price data into trading or portfolio tools
Fit
Best for
- —Agents or apps needing on-demand NFT floor prices without API key management
- —Developers who want to pay per call with USDC on Base
- —Low-volume or sporadic NFT data lookups at $0.02 each
Not for
- —High-volume NFT analytics requiring bulk data or websocket streams
- —Users who need detailed collection metadata, trait-level pricing, or historical data
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/collections/14/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 example requests or responses, and no explanation of what collection 14 is. The docs/pricing/README pages are all blank beyond a wallet-connect prompt. Effectively a stub listing.
Warnings
- —No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'
- —No OpenAPI or schema describing request parameters or response format
- —Unknown what NFT collection ID 14 refers to
- —No example request or response payloads available
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/collections/14/floor
- —The site advertises $0.02 per request flat pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/collections/14/floor