Mailjet integration: API key + Secret key auth, contact lists

Last updated May 19, 2026Integrations

Mailjet uses two-key authentication: an API Key and an API Secret Key. Both are needed to connect.

Where to find your Mailjet keys

  1. Sign into Mailjet.
  2. Open Account Settings → REST API → API Keys.
  3. Both your API Key and Secret Key are listed at the top.

Connecting Mailjet

  1. Bulk Upload → Connect Email Platform → Mailjet.
  2. Paste both the API Key and the Secret Key.
  3. Save Connection.

What you can verify

Contact lists. Mailjet contact properties (custom fields) are preserved through Keep and Unsubscribe actions.

Cost

1 credit per contact verified.

Next steps