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Brevo Automation

Automate Brevo: contacts, email campaigns, transactional emails, and lists.

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What Brevo Automation Does

Brevo Automation is a Claude skill that enables AI agents to programmatically manage your entire Brevo email marketing and CRM platform. Whether you’re building autonomous customer communication workflows, managing contact databases, or orchestrating multi-step email campaigns, this skill connects Claude directly to Brevo’s API, allowing agents to create contacts, segment lists, send transactional emails, and trigger campaign automations without manual intervention.

Designed for product teams, growth marketers, and developers building AI-powered applications, Brevo Automation eliminates the need for custom API integrations or third-party webhook services. Your Claude agent can now make intelligent decisions about customer communication in real-time—automatically nurturing leads, managing subscriber lists, and personalizing outreach based on user behavior or data conditions.

How to Install

  1. Set up ComposioHQ: Install the Composio SDK in your Claude project

    pip install composio-core

  2. Authenticate with Brevo: Obtain your Brevo API key from your account settings

    • Log in to Brevo
    • Navigate to Settings > API
    • Copy your API key or create a new one

  3. Configure the skill in your Claude agent: Add Brevo authentication to your environment

    export BREVO_API_KEY="your_api_key_here"

  4. Import and initialize: In your Claude agent code, import and enable the Brevo integration

    from composio_core import Composio

composio = Composio()
brevo_tool = composio.get_tool("brevo_automation")

  5. Verify connection: Test that your agent can communicate with Brevo by running a simple query (e.g., fetching contact list count)

Use Cases

  • Lead nurture sequences: Automatically add new signups to Brevo, segment them by behavior, and trigger personalized email drip campaigns based on their interests or lifecycle stage
  • Customer onboarding automation: When users complete signup, have Claude automatically create a contact, send a transactional welcome email, and add them to an onboarding sequence
  • Real-time customer support email dispatch: Route support tickets into Brevo and trigger templated notification emails to customers without manual list management
  • Dynamic list segmentation: Use Claude to analyze incoming data (purchase history, engagement metrics, demographics) and automatically move contacts between Brevo lists based on custom rules
  • Event-driven transactional emails: Trigger password resets, order confirmations, or appointment reminders directly from your AI agent when specific conditions are met in your application

How It Works

Brevo Automation operates as a middleware layer between Claude and Brevo’s REST API. When you build a Claude agent with this skill enabled, the agent gains access to a set of predefined functions that map to Brevo’s core operations: creating/updating contacts, managing lists, sending emails, and initiating campaigns. These functions are exposed as “tools” that Claude can invoke in response to user requests or internal logic.

Under the hood, the skill handles authentication (using your stored API key), constructs properly formatted HTTP requests to Brevo’s endpoints, and parses responses back into Claude-readable format. This abstraction means you don’t need to manage API rate limits, pagination, or error handling manually—the skill handles these concerns. When your agent decides that a contact should receive a transactional email, it calls the send_transactional_email function with parameters like recipient email, template ID, and dynamic data, and Brevo immediately queues the message.

The skill also supports intelligent batching: if your agent needs to add 100 contacts to a list, it can submit a batch operation rather than making 100 individual API calls, improving performance and reducing latency. Responses from Brevo (e.g., contact IDs, campaign status, bounce rates) are fed back to Claude, allowing the agent to make downstream decisions based on real-time marketing data.

Pros and Cons

Pros:

  • Seamlessly integrates Claude agents with Brevo without custom API code
  • Handles both transactional emails and marketing campaigns in one skill
  • Supports batch operations for efficient large-scale contact management
  • Composio manages authentication, rate limiting, and error handling automatically
  • Enables intelligent, real-time customer communication driven by AI logic
  • No infrastructure overhead—runs within your existing Claude agent environment

Cons:

  • Requires active Brevo account and API credentials (adds dependency on third-party service)
  • Limited to Brevo’s feature set—if you need advanced SMS or push notifications, additional tools are required
  • API rate limits still apply; very high-volume operations may require optimization
  • Composio SDK adds a dependency; you’re reliant on their library maintenance
  • Debugging integration issues requires understanding both Claude, Composio, and Brevo APIs
  • Mailchimp Automation: Similar email marketing automation, better for general-purpose campaigns and large subscriber bases
  • SendGrid Email API: Enterprise-grade transactional email delivery with advanced deliverability tracking
  • HubSpot CRM Integration: Combine contact management with sales pipeline and ticketing workflows
  • Zapier for Brevo: No-code alternative for connecting Brevo to other apps without direct API access
  • Klaviyo E-commerce Email: Specialized for e-commerce brands needing product recommendation and SMS capabilities alongside email

Alternatives

  • Mailchimp API: Offers similar campaign and contact management but is more focused on bulk marketing rather than transactional workflows
  • Manual Brevo dashboard: Send campaigns and manage lists through Brevo’s web interface without automation; time-consuming for high-volume operations
  • Custom REST API integration: Build your own integration using Brevo’s REST API directly instead of using Composio; requires more engineering effort but offers full control
Glossary

Key terms

API Key
A unique authentication token issued by Brevo that grants your application permission to access your Brevo account. Keep it private and rotate it regularly for security.
Transactional Email
A single, event-triggered email sent to an individual (e.g., order confirmation, password reset) as part of a user action, as opposed to marketing campaigns sent to lists.
Contact List
A collection of email addresses and associated data in Brevo. You can create multiple lists to segment your audience by behavior, demographics, or campaign type.
Email Template
A pre-designed HTML email structure stored in Brevo that you can customize with dynamic variables (e.g., recipient name, order details) before sending.
Batch Operation
An API request that processes multiple records (contacts, list updates) in a single call, improving efficiency and reducing latency compared to individual requests.
FAQ

Frequently Asked Questions

How do I install Brevo Automation for my Claude agent?

Install the Composio SDK (`pip install composio-core`), retrieve your Brevo API key from Settings > API, set it as an environment variable (`BREVO_API_KEY`), and import the Brevo tool into your agent code. Composio handles the integration setup automatically.

Can Brevo Automation send transactional emails (like password resets)?

Yes. The skill includes `send_transactional_email` functionality, allowing your agent to send template-based emails instantly. You define templates in Brevo, then reference them by ID when the agent triggers a send based on user actions or business logic.

What's the difference between campaigns and transactional emails in Brevo Automation?

Transactional emails are immediate, single messages triggered by specific events (order confirmation, password reset). Campaigns are scheduled bulk messages sent to lists at a planned time or triggered by workflow conditions. The skill supports both; use transactional for urgent, individual messages and campaigns for marketing sequences.

Can my Claude agent manage multiple Brevo contact lists?

Yes. The skill allows agents to create, update, and segment contacts across multiple lists. You can programmatically add contacts to specific lists based on criteria, move them between lists, and manage list properties—all without leaving your Claude workflow.

How does Brevo Automation handle large-scale contact imports?

The skill supports batch operations for adding or updating multiple contacts in a single API call. Instead of making individual requests, you can submit a batch with hundreds of contacts, which is more efficient and respects API rate limits better than sequential operations.

Is my API key secure when using Brevo Automation?

Yes. Store your Brevo API key as an environment variable (never hardcode it), and Composio will use it securely for API authentication. Treat your key like a password and rotate it periodically in your Brevo account settings.

Can Brevo Automation integrate with other tools in my AI workflow?

Absolutely. Composio supports multiple integrations, so your Claude agent can combine Brevo with CRM tools, databases, e-commerce platforms, and analytics services. For example, sync Shopify customer data to Brevo contacts, or pull engagement metrics into a BI tool.

What happens if the Brevo API is unavailable when my agent tries to send an email?

Composio will return an error response, which your agent can handle by logging the failure, retrying with backoff, or notifying you. Build error handling into your agent logic to gracefully manage API downtime and prevent lost actions.

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