Security

Resend is committed to the security
and privacy of our customers' data.

Contact us

Data Protection

Robust security measures to protect sensitive information and adhere to stringent industry standards.

Data at rest

All datastores are encrypted at rest. Sensitive information is encrypted at the application level.

Data in transit

Resend uses TLS 1.3 or higher everywhere data is transmitted over potentially insecure networks.

Data backup

Resend backs-up all data using a point-in-time approach. Backups are persisted for 7 days.

Security Controls

With industry best practices, third-party auditors, and a collection of operational controls, Resend is committed to the safety and confidentiality of your data.

Infrastructure Security

  • Unique production database authentication enforced

  • Encryption key access restricted

  • Access control procedures established

+ 15 more

Organizational Security

  • Asset disposal procedures utilized

  • Production inventory maintained

  • Portable media encrypted

+ 11 more

Product Security

  • Data encryption utilized

  • Control self-assessments conducted

  • Penetration testing performed

+ 2 more

Internal Security Procedures

  • Continuity and disaster recovery plans established

  • Continuity and disaster recovery plans tested

  • Cybersecurity insurance maintained

+ 31 more

Data and Privacy

  • Data retention procedures established

  • Customer data deleted upon leaving

  • Data classification policy established

See more

Trusted by the best engineering teams

  • Warner Bros
  • TOTVS
  • VOA Hotéis
  • Infisical
  • Koywe
  • Warp
  • Reworkd
  • Sameday
  • Booth.ai
  • Lastro

Frequently Asked Questions

  • "Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore."
    Vlad Matsiiako
    Vlad Matsiiako
    Vlad MatsiiakoCo-founder of Infisical
  • "I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend."
    Brandon Strittmatter
    Brandon Strittmatter
    Brandon StrittmatterCo-founder of Outerbase
  • "Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this."
    Shariar Kabir
    Shariar Kabir
    Shariar KabirFounder at Ruby Card
  • "All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us."
    Giovanni Keppelen
    Giovanni Keppelen
    Giovanni KeppelenCTO & Partner at VOA Hoteis
  • "The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week."
    Sam Ducker
    Sam Ducker
    Sam DuckerCo-founder of Anyone
  • "As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver."
    Hahnbee Lee
    Hahnbee Lee
    Hahnbee LeeCo-Founder at Mintlify
  • "The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience."
    Roberto Riccio
    Roberto Riccio
    Roberto RiccioHead of Product at Alliance
  • "If you're a developer or working on a startup, you're going to love Resend's approach to emailing."
    Joe DeMaria
    Joe DeMaria
    Joe DeMariaCo-founder & CEO of SpecCheck
  • "We were up and running with Resend in no time. It was seamless to integrate into our existing workflow and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer."
    Ty Sharp
    Ty Sharp
    Ty SharpCo-founder & CEO of InBuild
  • "Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email."
    Thiago Costa
    Thiago Costa
    Thiago CostaCo-founder of Fey and Narative
  • "As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer."
    Adam Rankin
    Adam Rankin
    Adam RankinFounding Engineer at Warp
  • "Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend."
    Taylor Facen
    Taylor Facen
    Taylor FacenFounder of Finta
  • "Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools."
    Brek Goin
    Brek Goin
    Brek GoinFounder of Hammr
  • "Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore."
    Vlad Matsiiako
    Vlad Matsiiako
    Vlad MatsiiakoCo-founder of Infisical
  • "I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend."
    Brandon Strittmatter
    Brandon Strittmatter
    Brandon StrittmatterCo-founder of Outerbase
  • "Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this."
    Shariar Kabir
    Shariar Kabir
    Shariar KabirFounder at Ruby Card
  • "All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us."
    Giovanni Keppelen
    Giovanni Keppelen
    Giovanni KeppelenCTO & Partner at VOA Hoteis
  • "The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week."
    Sam Ducker
    Sam Ducker
    Sam DuckerCo-founder of Anyone
  • "As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver."
    Hahnbee Lee
    Hahnbee Lee
    Hahnbee LeeCo-Founder at Mintlify
  • "The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience."
    Roberto Riccio
    Roberto Riccio
    Roberto RiccioHead of Product at Alliance
  • "If you're a developer or working on a startup, you're going to love Resend's approach to emailing."
    Joe DeMaria
    Joe DeMaria
    Joe DeMariaCo-founder & CEO of SpecCheck
  • "We were up and running with Resend in no time. It was seamless to integrate into our existing workflow and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer."
    Ty Sharp
    Ty Sharp
    Ty SharpCo-founder & CEO of InBuild
  • "Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email."
    Thiago Costa
    Thiago Costa
    Thiago CostaCo-founder of Fey and Narative
  • "As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer."
    Adam Rankin
    Adam Rankin
    Adam RankinFounding Engineer at Warp
  • "Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend."
    Taylor Facen
    Taylor Facen
    Taylor FacenFounder of Finta
  • "Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools."
    Brek Goin
    Brek Goin
    Brek GoinFounder of Hammr