How much does the Mailjet API actually cost?
Mailjet publishes an API, but per-tier gating wasn't extracted automatically.
- Most likely scenario: API access is either included in all paid plans, or it's gated to higher tiers and we need to verify on the live docs page.
- Until verified, treat the question "which plan unlocks the API" as open. Don't budget on the assumption it's free with the cheapest paid plan.
Mailjet subscription pricing
| Plan | Monthly | Annual / mo |
|---|---|---|
| Free | Free | Free |
| Starter | $9 | $8.1 |
| Essential | $17 | $15.3 |
| Premium | $27 | $24.3 |
| Custom | Contact sales | — |
⚠ Per-tier API gating not yet structured for Mailjet. Confirm which plans unlock API access on the live docs.
Source: mailjet.com/pricing. Verified 2026-06-07.
API at a glance
Mailjet also has an MCP server
If you're wiring Mailjet into Claude / Cursor / Codex, the MCP server is usually less code than the REST API.
See Mailjet MCP pageWhat you can build with the Mailjet API
Three personas, three different shapes of build. Pick the row that matches how you actually ship.
Glue Mailjet into your daily workflow
- Pull a digest of campaign performance into your morning Slack
- Trigger a one-off backfill when something looks off
- Pipe data into your own SQLite for ad-hoc queries
Sell Mailjet reporting at scale
- White-label Mailjet data into client-branded dashboards
- Run scheduled multi-account reports without logging into the Mailjet UI
- Cross-reference with the rest of the client's stack (CRM, analytics, ad spend)
Production pipelines for Mailjet
- Real-time sync into your warehouse via webhooks
- Custom alerts the dashboard's built-in alerting can't express
- Backfill + idempotency handling for Mailjet data older than the dashboard exposes
Quickstart template
# Starter template — endpoint paths and SDK package names come from # the Mailjet API docs: https://www.mailjet.com/es/lanzamientos/api-contenidos/ curl -X GET "https://www.mailjet.com/<your-endpoint>" \ -H "Authorization: Bearer $TOKEN" \ -H "Accept: application/json" | jq .
Template only. Endpoint paths, exact base URL, and auth header format come from mailjet.com/es/lanzamientos/api-contenidos.
Limits and gotchas
- No OpenAPI spec — you write typed clients by hand or use a third-party generator on the docs HTML.
- Webhooks available — react to Mailjet events in real time instead of polling.
- Official SDKs: php, ruby, python, csharp, java, node. Use them to skip auth boilerplate and get type safety.
- Rate limits: always read the docs page before scaling — the published limit is usually lower than the practical one and overages can be expensive.
- No-code fallback: Zapier and Make.com cover the common triggers if you want to skip writing API code for simple flows.
Agent-readiness verdict
Strong agent-fit for email workflows. Mailjet offers an official MCP server, documented public API, and support across 6 SDK languages (PHP, Ruby, Python, C#, Java, Node), making it straightforward to integrate into Claude and Cursor pipelines. The main limitation is lack of OpenAPI specs and structured outputs, which would require manual schema definition for complex agent tasks.
Mailjet API FAQ
Does Mailjet have a public API?+
Does Mailjet have official SDKs?+
Does Mailjet support webhooks?+
Should I use the API or the MCP server for Claude / Cursor / Codex?+
Sources
- Mailjet official site: https://www.mailjet.com
- API docs: https://www.mailjet.com/es/lanzamientos/api-contenidos/
- MCP server: https://github.com/mailgun/mailjet-mcp-server
- Pricing source: https://www.mailjet.com/pricing/ (verified 2026-06-07)
10+ years in digital marketing. I review marketing software for AI-stack fit: real pricing, MCP and API support, and how cleanly each tool drops into an AI agent workflow, cross-checked against verified data and real user feedback.