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Resend Upsert Contact

Create a new contact or update existing contact in an audience. Contacts can be updated by ID or email address. Use this to add subscribers, manage subscription status, or update contact information.…

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Resend

Resend is a modern transactional email API for developers. Send transactional emails, track delivery status, manage verified domains, and monitor email analytics. Built for scalability with simple pricing and excellent deliverability rates. Perfect for sending welcome emails, password resets, notifications, invoices, and automated email campaigns.

Available in Bundles

Resend Tools

email

Resend is a modern transactional email API for developers. Send transactional emails, track delivery status, manage verified domains, and monitor email analytics. Built for scalability with simple pricing and excellent deliverability rates. Perfect for sending welcome emails, password resets, notifications, invoices, and automated email campaigns.

Tool Information

Status
Active
Version
1.0.0
CreatedOctober 13, 2025
UpdatedDecember 20, 2025

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