mon.x420.dev offers two lightweight HTTP endpoints on the Base network to buy MON tokens with USDC: a fixed 1 USDC purchase and a customizable-amount purchase. The API is optimized for simple integration into bots, dApps, or backend services that need programmatic on-chain buys of MON (0x4DA4C8349bAe3f9986A56Dba62cDB583fA91cb07).