Use Sendgrid as your email service provider
Use Telegram-based OTP to verify logins
Use WhatsApp-based OTP to verify logins
Analyze Campaign ROI and Signup Conversion with Plausible
Authgear.com is free for apps up to 1,000 MAUs (Monthly Active Users) with Authgear branding. It is also open source and always free!
If you are looking for volume discounts, custom support plans, SLA, or have a different compliance requirements, feel free to contact us!