x402basequality 0.30

x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/nfts/53

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" behind an x402 paywall, settling payments in USDC on the Base network. The specific resource `/api/v1/nfts/53` appears to be part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request.

The x402 challenge confirms the endpoint is live and accepts exact-scheme payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The `maxAmountRequired` is 20000 base units, which at 6 decimals equals $0.02. The endpoint accepts POST requests and returns `application/json`.

However, the specific functionality of `/api/v1/nfts/53` is unclear. The landing page does not list any NFT-related endpoints among its advertised categories (Data & Analytics, AI & ML, Finance & Web3, Infrastructure). The path suggests it may return data about a specific NFT (token ID 53), but no documentation, request schema, or response schema is available to confirm this. There is no OpenAPI spec, no detailed docs pages (pricing, README, and API pages all just show a "Connect wallet" prompt), and no examples of request/response payloads.

Capabilities

x402-paymentusdc-settlementbase-networkpay-per-requestnft-datajson-apino-api-key

Use cases

  • —Fetching NFT metadata or details for token ID 53 via a single paid API call
  • —Integrating pay-per-request NFT data into an agent workflow without managing API keys
  • —Programmatic access to NFT information settled in USDC on Base

Fit

Best for

  • —Agents or bots that need on-demand NFT data without subscription commitments
  • —Developers testing x402 payment flows on Base
  • —Low-volume, pay-as-you-go API consumption

Not for

  • —High-volume NFT data needs where a subscription service would be more cost-effective
  • —Users who need detailed documentation or guaranteed SLAs before integrating
  • —Non-NFT use cases (other endpoints on the same platform may be more relevant)

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/nfts/53 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/nfts/53
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation for the /api/v1/nfts/53 resource specifically — no request schema, no response schema, no examples, and the NFT endpoint isn't even listed on the provider's landing page. Effectively a stub listing.

Warnings

  • —The /api/v1/nfts/53 endpoint is not listed among the provider's advertised APIs on the landing page — its purpose and response format are unknown.
  • —No OpenAPI spec, request schema, or response schema is available.
  • —Documentation pages (/pricing, /README, /api) render only a 'Connect wallet' prompt with no useful content.
  • —The specific data returned by this endpoint is entirely undocumented; integration requires trial-and-error.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-21 23:36:16Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-21
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/4rkEyW
x402-gated premium API access on Base, pay $0.02 per request in USDC — no API keys required. — Clawmart · Clawmart