Stalwart · Pricing Plans

Stalwart Plans Pricing

Stalwart Plans Pricing is the pricing profile for Stalwart on the APIs.io network — every figure transcribed verbatim from the provider’s own pricing page on 2026-10-28.

It defines 8 plans, including Tier 1 — EUR 2.00 per mailbox per year; Tier 2 — EUR 1.70 per mailbox per year; Tier 3 — EUR 1.45 per mailbox per year, and 5 more.

The page prices the business product the API comes with, not the API alone, priced per seat.

Tagged areas include Email, OpenSource, Rust, Collaboration, and Server.

8 Plans Prices the product Basis: per seat
Transcribed from the provider's pricing page on 2026-10-28 — stalw.art/pricing/.
View Source
EmailOpenSourceRustCollaborationServerCompany

Plans

Tier 1
EUR 2.00 per mailbox per year

Mailboxes: 25 to 499

Tier 2
EUR 1.70 per mailbox per year

Mailboxes: 500 to 999

Tier 3
EUR 1.45 per mailbox per year

Mailboxes: 1,000 to 4,999

Tier 4
EUR 1.23 per mailbox per year

Mailboxes: 5,000 to 10,000

Tier 5
EUR 1.04 per mailbox per year

Mailboxes: 10,000 to 49,999

Tier 6
EUR 0.89 per mailbox per year

Mailboxes: 50,000 to 99,999

Tier 7+
Contact sales

Mailboxes: 100,000 and beyond

Community Edition
Free

No mailbox limit, free tier

Sources

Work with this as data

Every plan here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for plans

4 MCP tools reach this
  • find_plansBrowse and filter every plan in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

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This plan 
curl "https://apis.io/api/v1/plans/stalwart-plans-pricing"
All plans 
curl "https://apis.io/api/v1/plans?limit=25"

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