NFT collection floor price data via x402 micropayment on Base network, $0.02/request.
What it does
This endpoint provides NFT collection floor price data at the path `/api/v1/collections/16/floor`. It is part of a broader suite of pay-per-request APIs hosted on lowpaymentfee.com, all settled via the x402 protocol on the Base network using USDC. Each request costs $0.02 (20,000 base units of USDC with 6 decimals).
The provider offers a range of endpoints spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services — all at the same $0.02 per-call price point. This specific endpoint appears to serve floor price information for a particular NFT collection (collection ID 16). No API keys or rate limits are advertised; access is gated solely by the x402 payment header.
Documentation is extremely sparse — the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI schema, no example request/response payloads, and no description of what fields are returned. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response format must be discovered empirically.
Capabilities
Use cases
- —Fetching the current floor price of a specific NFT collection
- —Integrating real-time NFT pricing into trading bots or dashboards
- —Agent-driven NFT market monitoring with per-call payment
Fit
Best for
- —Agents needing on-demand NFT floor prices without subscription commitments
- —Developers prototyping NFT analytics with minimal setup
- —Low-volume consumers who prefer pay-per-request over monthly plans
Not for
- —High-frequency trading requiring sub-second latency guarantees (no SLA documented)
- —Users needing bulk historical floor price data (single-collection, single-call design)
- —Anyone requiring detailed API documentation or guaranteed schema stability
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/collections/16/floor \
-H "X-PAYMENT: <x402_payment_token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is confirmed live with a valid 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, no examples, and the docs pages are empty. The listing is effectively a stub with only the payment challenge and landing page to go on.
Warnings
- —No API documentation available — docs page renders only 'Connect wallet'
- —No response schema or example payloads documented
- —Collection ID 16 is opaque — no indication of which NFT collection it refers to
- —Provider site offers many endpoints but none have public technical documentation
Citations
- —Endpoint returns 402 with x402 challenge accepting USDC on Base network at 20000 base units ($0.02)https://lowpaymentfee.com/api/v1/collections/16/floor
- —Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/collections/16/floor