Dev Tools · 1h ago
Send16 redesigns email API for autonomous AI agents
Send16 added a zero-DNS sandbox sender, an identity endpoint, and an llms.txt file to make its email API agent-native. The sandbox allows agents to send emails to themselves without domain verification, solving the onboarding bottleneck. The changes enable agents to complete the entire workflow without human intervention.
Meridian48 take
The approach highlights a growing need for APIs designed for agent autonomy, but the sandbox's self-only restriction may limit practical use cases.
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Making an email API agent-native: llms.txt, a /api/me endpoint, and a zero-DNS sandbox sender →
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