Brevo
FreemiumLiveLast verified 24 Sept 2026
Send transactional and marketing email, SMS and WhatsApp, and manage contacts via one REST API.
Example request
curl -s https://api.brevo.com/v3/account -H 'api-key: $API_KEY'
Free tier, in plain English
The Free plan sends up to 5,000 emails a month at no cost; most non-email API endpoints are capped at 100 calls an hour on any plan.
Alternatives in Email
Atomic MailSelf-registers a real email inbox for an AI agent (PoW, no signup) and sends/receives mail via JMAP.FreeEmail Spam TesterSends a test email through 42 deliverability and spam checks, then returns a scored JSON report.FreeEmailJSSends transactional emails from client-side JavaScript without a backend server.FreemiumImprovMXManages email forwarding aliases and SMTP sending credentials for a custom domain.FreemiumIndiePitcherSends transactional emails with markdown support and manages contact lists for SaaS appsFreemium