Retake is the first headless revenue recovery API. Stop using bloated third-party scripts that tank your Lighthouse scores. Integrate in minutes with our REST API (works with any stack) or Next.js SDK. Track pricing page abandonment, checkout drop-offs, trial expirations—each with different email flows. We handle scheduling; you keep control. Features: BYOK (Resend, AWS SES, Sendgrid, Mailgun, SMTP), Full Analytics, Webhooks, & Smart Scheduling. 30-day money-back guarantee.