Best transactional email APIs for TypeScript SaaS
Which transactional email API does a coding agent choose when it must research the category and implement a working TypeScript path?
AgentAnalytics ran 64 fresh-workspace Claude Code attempts across four common SaaS tasks: a welcome email, a template receipt, delivery webhooks, and batch notifications. Public web research was required before each selection. Claude was not shown a provider list.
Answer first
In this panel, Resend was the strongest current selection. Claude selected it in 56 of 64 attempts, and all 56 passed the available validators.
