x402basequality 0.30

x402-gated NFT / premium API endpoint on Base, pay-per-call with USDC at $0.02 per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides x402-protocol pay-per-request API access. The specific resource `/api/v1/nfts/96` is labeled "Premium API Access" and is gated behind an x402 payment challenge requiring USDC on the Base network. The maximum amount required per call is 20,000 base units of USDC (0.02 USD, i.e., two cents), consistent with the site-wide pricing of $0.02 per request.

The broader lowpaymentfee.com platform advertises a range of API categories including Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints share the same $0.02/request pricing model with no API keys, no rate limits, and no minimum commitments. Payments settle in USDC on the Base L2 network.

The specific functionality behind `/api/v1/nfts/96` is not documented beyond the generic "Premium API Access" label. There is no OpenAPI schema, no detailed documentation, and no example request/response payloads available from the crawled pages. The endpoint accepts POST requests and returns `application/json`. Without further documentation it is unclear what input the endpoint expects or what data it returns — the NFT-related path suggests it may serve NFT metadata or related information, but this is speculative.

Capabilities

x402-paymentusdc-basepay-per-requestnft-datajson-api

Use cases

  • Programmatic access to NFT-related data behind a micropayment wall
  • Agent-driven pay-per-request API consumption without API keys
  • Demonstrating x402 payment protocol integration on Base

Fit

Best for

  • Developers experimenting with x402 payment protocol
  • Agents that need keyless, pay-per-call API access
  • Low-cost micropayment API consumption on Base L2

Not for

  • Users needing well-documented, production-grade NFT APIs with clear schemas
  • High-volume consumers who need bulk pricing or subscription plans
  • Anyone requiring non-crypto payment methods

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/nfts/96 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-header>"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no documentation, no OpenAPI schema, no example requests or responses, and the actual functionality behind /api/v1/nfts/96 is entirely opaque. The crawled pages beyond the homepage returned only 'Connect wallet' with no useful content.

Warnings

  • No documentation available for the /api/v1/nfts/96 endpoint — actual functionality is unknown
  • No OpenAPI or schema definition found
  • No example request or response payloads available
  • The purpose of this specific NFT endpoint is unclear; 'Premium API Access' is a generic label applied across the platform
  • Most crawled subpages returned no meaningful content

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 23:53:42Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

x402-gated NFT / premium API endpoint on Base, pay-per-call with USDC at $0.02 per request. — Clawmart · Clawmart