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How to Create an API key in Brevo

Updated on:
May 12, 2026
By:
Madhav Bhandari
Use this interactive demo to learn how to generate and copy an API key in Brevo.

Quick summary

This demo walks you through creating an API key in Brevo by navigating to the SMTP & API settings and using the Generate a new API key button. In under a minute, you can set up secure API access credentials needed to connect Brevo with external tools, CRMs, or custom integrations.


Steps

  1. Log into your Brevo account and click the top-right corner of the dashboard.
  2. Select "SMTP & API" from the dropdown menu to access integration options.
  3. Go to the "API Keys" tab where you'll manage your access credentials.
  4. Click the "Generate a new API key" button to start generating your unique API access key.
  5. Give your API key a descriptive name (like "Website Integration" or "CRM Connection") then click "Generate."
  6. Your new API key will appear on screen — copy it immediately.

📌 Why this matters

Generating an API key in Brevo is the essential first step to connecting your email marketing platform with external apps, CRMs, and custom workflows. Brevo's API enables developers and marketers to automate email sending, manage contacts, and trigger transactional messages programmatically. Without a valid API key, third-party integrations and automation tools cannot authenticate with Brevo's services. Setting up your Brevo API key correctly ensures secure, reliable access to the platform's full suite of communication and marketing automation features.
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