Sentvia vs Nylas
Purpose-built agent inboxes, not human accounts.
Nylas unifies a person's existing Gmail or Outlook with per-account pricing, plus a beta agent inbox capped at 100 sends/day and 7-day retention. Sentvia gives agents their own persistent inboxes, built to scale.
Connected accounts vs dedicated agent inboxes
Nylas is strong when agents act on a human's existing inbox. Sentvia is built for agents that need their own.
| Capability | Sentvia | Nylas |
|---|---|---|
| Dedicated agent inboxes | Beta | |
| Persistent message history | 7-day (agent beta) | |
| Send volume | Plan-based (15k+/mo) | 100/day (agent beta) |
| Per-account fees | None | $2 / account |
| Acts on a user's existing inbox | Provisioned only | |
| Two-way email | ||
| Multi-tenant isolation | Per-grant | |
| SDKs & MCP server |
Scale inboxes without per-account fees
Nylas charges per connected account and limits its agent beta tightly. Sentvia prices by inbox count, built for production volume.
| Plan tier | Sentvia | Nylas |
|---|---|---|
| Free tier | 3 inboxes · 3,000 emails | Trial / sandbox |
| Entry paid plan | Pro — $19/mo · 100 inboxes | $15/mo + $2/account |
| Agent inbox limits | Production volume | 100 sends/day · 1GB · 7-day (beta) |
| Per-account fees | None | $2 per account beyond 5 |
| Scale plan | Scale — $99/mo · 1,500 inboxes | Per-account pricing |
Nylas pricing/features per nylas.com (June 2026); Agent Accounts in beta. Sentvia pricing per current plans. For comparison only.
Why agent builders choose Sentvia
Inboxes built for agents
Dedicated, persistent inboxes provisioned via API — not a beta capped at 100 sends/day with 7-day retention.
No per-account fees
Flat plans by inbox count, not $2 for every connected account. Costs stay predictable as your fleet grows.
Scales to thousands
1,500 inboxes for $99/mo, with production send volume and threading included.
Sentvia vs Nylas — common questions
When is Nylas the better fit?+
If your agent must act on a user's existing Gmail, Outlook, or IMAP account across providers, Nylas's connected accounts are purpose-built for that. If your agent needs its own inbox at scale, Sentvia is the better fit.
What are Nylas Agent Accounts' limits?+
The beta caps 100 sends/day, 1GB storage, and 7-day retention. Sentvia's plans are built for production volume and persistent history.
Does Sentvia charge per connected account?+
No. You pay by plan and inbox count, not per connected account — so scaling to many agents stays predictable.
Does Sentvia support two-way email?+
Yes — full send, receive, threading, and per-agent identity.
Give every agent its own inbox
Start free with 3 inboxes and 3,000 emails. Scale to 1,500 inboxes for $99/mo.