Field notes on AI-era growth, deliverability, voice, and messaging for developers and teams building on Orbit by Devotel.
Resend vs Postmark head-to-head: the posture split, a row battery on published pricing and docs (per-1k rates, retention, inbound, suppression, templates, SDKs, support), honest placement for each vendor, and a decision tree for dev teams.
The tri-corner comparison closed with a dangling 'fourth corner' of smaller providers. This post closes that loop: a registry recap of the published-vs-published benchmarks, break-even math with no invented numbers, the same parity-honesty contract as the three sister posts, a walked decision tree, a buyer-run verification checklist, and honest placement for each vendor — including where Orbit loses.
Orbit vs Resend: what Resend's developer-ergonomics email API actually ships, honest cells from /compare/resend, when the email-only fit wins, migration framing, and pricing shape.
Start free and ship your first voice, messaging, or email flow today, or talk to our team about your rollout. No annual contract, one pay-as-you-go bill across every channel.