List observed US federal holidays for a year for $0.002 USDC. Call when you need...
https://api.delx.ai/api/v1/x402/holidaysOverview
List observed US federal holidays for a year for $0.002 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.