Sentvia vs Sendblue
iMessage and SMS for agents — in one inbox with email.
Sendblue pioneered agent-first iMessage. Sentvia brings iMessage and SMS into the same agent-native API as email, so each agent gets one inbox across every channel. SMS and iMessage are in early access — talk to us to get on them first.
Where Sentvia and Sendblue line up — and split
Sendblue is a messaging specialist. Sentvia is agent communication infrastructure that puts messaging in the same inbox as email. Sentvia SMS and iMessage are in early access.
| Capability | Sentvia | Sendblue |
|---|---|---|
| Native iMessage (blue bubble) | Early access | |
| Two-way SMS | Early access | |
| Email in the same platform | ||
| One inbox per agent across channels | Per line | |
| Native threading & conversations | ||
| Webhooks & real-time events | ||
| MCP server | ||
| Python & TypeScript SDKs |
Why teams choose Sentvia for agent messaging
One inbox per agent, every channel
Email, SMS, and iMessage share the same agent-native inbox and threading model. Sendblue gives you a messaging line; Sentvia gives each agent a unified identity across channels.
Built for fleets of agents
Provision inboxes and numbers per agent via API instead of managing per-line dashboards — the same model that scales Sentvia email to thousands of agents extends to messaging.
One vendor, one bill
Consolidate email and messaging on a single API and contract instead of stitching an email stack to a separate per-line iMessage provider.
Frequently asked questions
Can Sentvia send native iMessage like Sendblue?+
Yes — agent-native iMessage with blue bubbles is part of our messaging channels. It's currently in early access, so reach out and we'll get your agents onboarded.
Should I use Sentvia or Sendblue today?+
If you need production iMessage right now, Sendblue is shipping it. Sentvia's edge is unifying email, SMS, and iMessage in one agent-native API — messaging is in early access, so talk to us to get in early.
What does Sentvia add over a messaging-only API?+
A real inbox per agent, full two-way email, and threading shared across email, SMS, and iMessage — so your agent has a single identity instead of a separate messaging line bolted on.
How do I get access to SMS and iMessage?+
Tell us what you're building through the early-access form and our team will set your agents up directly.
Get your agents on iMessage and SMS — early.
Email is live today. SMS and iMessage are rolling out to early partners. Tell us what you're building and we'll get you set up.