x402basequality 0.35

NFT collection floor price data via x402 micropayment on Base network for $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/collections/33/floor

What it does

This endpoint provides NFT collection floor price data, accessible at `/api/v1/collections/33/floor`. It is part of a broader suite of pay-per-request APIs hosted on lowpaymentfee.com, which spans data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints use the x402 payment protocol, settling in USDC on the Base network.

The specific endpoint returns floor price information for collection ID 33. Payment is handled via the x402 challenge-response mechanism: callers must include an X-PAYMENT header with a valid payment proof. The cost per request is 20,000 base units of USDC (6 decimals), which equals $0.02. No API keys or rate limits are advertised; access is gated solely by payment.

Documentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is live and responds with a proper 402 challenge.

Capabilities

nft-floor-pricex402-paymentusdc-settlementbase-networkpay-per-requestcollection-data

Use cases

  • —Querying real-time NFT collection floor prices for trading bots
  • —Monitoring NFT market conditions programmatically
  • —Integrating floor price feeds into portfolio dashboards
  • —Agent-driven NFT price discovery without API key management

Fit

Best for

  • —Agents or bots needing on-demand NFT floor prices without subscription commitments
  • —Developers wanting keyless, pay-per-call access to NFT data
  • —Low-volume consumers who prefer micropayments over monthly plans

Not for

  • —High-volume consumers needing bulk historical NFT data at lower per-call cost
  • —Users who need detailed collection metadata beyond floor price
  • —Anyone without access to USDC on Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/collections/33/floor \
  -H "X-PAYMENT: <x402_payment_proof>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/collections/33/floor
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live with a valid 402 challenge, but there is no documentation, no OpenAPI schema, no request/response examples, and the docs pages are empty. The endpoint's purpose (collection floor price) is inferred from the URL path only.

Warnings

  • —No OpenAPI spec or schema documentation available
  • —Docs, pricing, and README pages render only 'Connect wallet' with no content
  • —No response schema or example responses documented — output format is unknown
  • —Endpoint purpose inferred solely from URL path; no official description of what 'collections/33/floor' returns

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 17:51:51Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/qp5Cs3
NFT collection floor price data via x402 micropayment on Base network for $0.02/request. — Clawmart · Clawmart