x402basequality 0.30

x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/nfts/11

What it does

This endpoint at `/api/v1/nfts/11` is part of the lowpaymentfee.com platform, a collection of x402-protocol pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. The specific endpoint appears to serve NFT-related data (resource ID 11), though the exact response payload is not documented. Payment is settled on the Base network using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) via the x402 "exact" scheme.

The x402 challenge confirms the endpoint is live and requires a maximum of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The payment recipient is `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a timeout of 300 seconds. The endpoint accepts POST requests and returns `application/json`.

The broader platform advertises a uniform $0.02/request pricing model across all endpoints, with no API keys, no rate limits, and no minimum commitments. However, documentation is extremely sparse — there is no OpenAPI spec, no request/response schema, and no description of what the NFT endpoint actually returns. The `/api`, `/pricing`, and `/README` pages all resolve to a minimal "Connect wallet" prompt with no additional information.

Capabilities

x402-paymentnft-datausdc-settlementbase-networkpay-per-requestjson-response

Use cases

  • —Fetching NFT metadata or details for a specific token/collection
  • —Integrating NFT data into agent workflows without API key management
  • —Programmatic access to NFT information with micropayment settlement

Fit

Best for

  • —Agents that can settle x402 payments in USDC on Base
  • —Quick one-off NFT data lookups without subscription overhead
  • —Developers exploring x402 protocol integrations

Not for

  • —Users needing documented request/response schemas before integration
  • —High-volume NFT data consumers who need bulk pricing or rate guarantees
  • —Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/nfts/11 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/nfts/11
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no documentation of request parameters, response schema, or what NFT data is actually returned. No OpenAPI spec exists, and all doc pages are empty beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —No OpenAPI or schema documentation available for this endpoint
  • —No description of what data the /api/v1/nfts/11 endpoint actually returns
  • —All documentation pages (/api, /pricing, /README) resolve to empty 'Connect wallet' prompts
  • —Request body format and required fields are unknown
  • —Response format and fields are unknown

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 23:22:03Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/jRbM5P
x402-gated NFT data endpoint on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart