Similar all-in-one email marketing and automation suite, but with a more established design ecosystem and slightly different pricing tiers.

Brevo records 6,527,382 monthly visits with +5.8% month-over-month growth and Freemium pricing. Sendmux records 37 monthly visits with -98.3% growth and Free pricing.

Give every AI agent a real inbox and one API to use it
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | brevo.com | sendmux.ai |
| Pricing Model | Freemium | Free |
| Monthly Visits | 6.53M (6,527,382) | 37 (37) |
| MoM Traffic Delta | +359.99K (+5.8%) |
| -2.2K (-98.3%) |
| Primary Market & Share | 🇫🇷 France (17.5%) | 🇺🇸 United States (100%) |
|---|
| Direct Visits / mo | 4.23M | 12 |
|---|
| User Rating | 4.5 | 4.2 |
|---|
| Supported Platforms | Website | Website |
|---|
All-in-one customer platform for email, SMS, CRM, and automation
Run email, SMS, WhatsApp, push, and mobile wallet campaigns from a drag-and-drop editor with ready-made templates.
Build no-code workflows and multichannel customer journeys with A/B testing, advanced segmentation, and web and event tracking.
Manage deals with custom pipelines, sales automation, live chat, chatbot, and meeting scheduling in the same platform.
AI agents generate campaign copy, auto-segment audiences, optimize send times, enrich contacts, and turn data questions into visual insights.

Give every AI agent a real inbox and one API to use it
Provision mailboxes on verified domains or a shared myagent.mx address, with clean JSON output that strips signatures and quotes.
Send over HTTP or SMTP using the same mailbox credential as a Bearer token and SMTP password, with Idempotency-Key retries and attachment support.
Bind keys to providers, delivery groups, weights, and quota windows so traffic stays inside the boundaries you set.
Signed webhooks for delivery and receipt events, an SSE stream for live mailbox clients, and typed change polling for resync.
Similar all-in-one email marketing and automation suite, but with a more established design ecosystem and slightly different pricing tiers.


Exceptional focus on eCommerce data and advanced segmentation, though less of a general-purpose small business CRM than Brevo.

Simpler, highly intuitive email campaign builder with great free tiers, but lighter on built-in CRM and multi-channel features.


Comprehensive online marketing suite with built-in webinars and landing pages, though interface can feel busier.
SpecialistHighly customizable modern CRM with flexible data models, but lacks Brevo's native high-volume email marketing and SMS broadcasting.

Collaborative inbox and email management for teams

Powerful advanced marketing automation and CRM pipelines, though with a steeper learning curve for simple email campaigns.

Email an AI assistant and let it run your schedules, inbox and CRM

The universal context engine connecting agents to data, tools, and models

Managed auth and 10,000+ tools for the agents you're building
Fast Apply and agent-tuned inference for coding agents
AI gateway, observability and guardrails for production LLM apps
Similar all-in-one email marketing and automation suite, but with a more established design ecosystem and slightly different pricing tiers.
Exceptional focus on eCommerce data and advanced segmentation, though less of a general-purpose small business CRM than Brevo.
Simpler, highly intuitive email campaign builder with great free tiers, but lighter on built-in CRM and multi-channel features.
Comprehensive online marketing suite with built-in webinars and landing pages, though interface can feel busier.
Collaborative inbox and email management for teams
Powerful advanced marketing automation and CRM pipelines, though with a steeper learning curve for simple email campaigns.
Fast Apply and agent-tuned inference for coding agents