dev.x420.dev provides a focused DeFi API on the Base network that enables programmatic purchases of the DEV token. Its single endpoint (/api/puff-custom) accepts a custom USDC amount to buy the DEV token (0x64a3fc16f47d5c39D526eF40adEcc8C050751b07). The service is priced at $5 per call and is designed for automation, trading bots, wallet integrations, and buyback/liquidity workflows.