api.x721.dev (x402) is a focused minting API that exposes a single /mint endpoint to create the inaugural x402 NFT on the Base network. The provider offers a minimal REST interface intended for easy integration into dApps, marketplaces, or backend services to perform a one-step mint operation. Listed pricing is $40.20 (per the provided range), making it a simple, single-purpose solution for launching or automating an initial NFT mint.