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Resend

Based exclusively on public evidence • 20 criteria (Privacy + AI)
Last review: 26 Feb 2026

E+
AITS IA

AI Trust Summary

AI Training
Not disclosed in documentation
Data Retention
Not specified in documentation
Opt-out
Only generic controls (cookies, ads)
AIPrivacy
E+
BasePrivacy
B-
  • In AI: it does not document explanations for automated decisions, which can generate distrust among users.
  • In Core Privacy: it clearly identifies data recipients, ensuring transparency regarding information sharing.

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Attention Points in AI (3)

AI criteria that require attention. Buy the Premium Analysis to see all 3 criteria.

  • Resend
  • does not document explanations for automated decisions, which can generate distrust.
  • omits ethical AI principles, raising concerns about responsible data use.
  • it is recommended to require contractual clauses that address these critical aspects.

Automated AI decisions have no explanation available

The policy does not provide explanations of how automated decisions are made, which can generate distrust among users.

Ethical AI principles and anti-bias measures not documented

The policy does not mention ethical AI principles, which may raise concerns about the responsible use of email campaign data.

AI data retention (prompts and responses) is not disclosed

The policy does not inform about AI data retention, which may create uncertainties about the duration of email campaign data storage.

Source: vendor public documents

Compliances in AI (3)

AI criteria the company meets. Buy the Premium Analysis to see all 3 criteria.

  • Resend
  • clearly documents data controller and processor roles, ensuring accountability in processing.
  • lists data processing purposes by category, connecting data to specific purposes.
  • these practices facilitate due diligence and demonstrate a commitment to transparency.

AI training opt-out control available

The policy offers opt-out options for marketing communications, but does not specifically address opt-out for AI training, which may create uncertainties.

Contestation and human review of AI decisions available

The policy mentions the right to contest automated decisions, but does not provide details about the human review process, which may be a gap.

AI features clearly identified with their purposes

The policy mentions the use of AI to generate summaries, but does not detail all AI functionalities, which may leave doubts about data usage.

Source: vendor public documents

Highlights in Privacy (3)

Most relevant criteria for this category. Buy the Premium Analysis to see all 3 criteria.

Sensitive data processing without additional documented safeguards

The policy does not mention sensitive data, which may create uncertainties about the collection and processing of critical information.

Data controller and processor roles clearly defined

The policy clearly defines Resend as the Data Controller, essential for ensuring accountability in processing email campaign data.

Data controller identity and contact clearly disclosed

The policy provides clear information about Resend's identity and contact, facilitating communication about email campaign data.

Source: vendor public documents

Critical Alerts

  • Princípios de IA ética e medidas anti-viés não documentados: Importante para garantir o uso responsável e ético de dados..
  • Uso de dados para treinamento de IA não é declarado: Crucial para a transparência sobre o uso de dados em IA.

Conformance analysis (20)

Premium Feature
AITS Criterion 9
Compliant

Data controller and processor roles clearly defined

Reference: ISO/IEC 27701 (7.3)

AITS Criterion 10
Compliant

Identity and contact of the data controller clearly informed

Reference: ISO/IEC 27701 (7.3)

AITS Criterion 12
Compliant

Processing purposes clearly listed by data category

Reference: ISO/IEC 27701 (7.3)

Source: vendor public documents

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Understanding Resend: Privacy and AI Governance in Email Marketing

Privacy Strength: Clearly Defined Data Roles

Resend excels in defining the roles of data controllers and processors, which is crucial for users concerned about data privacy. This clarity ensures that users understand who is responsible for their data and how it is being handled. With an AITS Privacy Score of 69%, Resend demonstrates a commitment to transparency, which is a significant strength in the realm of email marketing. Users can feel more secure knowing that their data is managed by identifiable parties, aligning with regulations such as GDPR and LGPD that emphasize accountability in data processing.

Privacy Strength: Transparent Data Processing Purposes

Another notable strength of Resend is its clear listing of data processing purposes categorized by data type. This transparency allows users to understand exactly how their information will be used, which is essential for informed consent under privacy laws like GDPR. By knowing the specific purposes for which their data is collected, users can make better decisions about their engagement with the platform. This proactive approach to data handling not only builds trust but also helps users ensure compliance with privacy regulations.

Privacy Weakness: Lack of Explanation for Automated Decisions

Despite its strengths, Resend has significant weaknesses, particularly regarding its handling of automated decisions made by AI. The absence of documentation explaining these automated processes can lead to distrust among users. With an AITS AI Score of only 17%, this lack of transparency raises concerns about how decisions are made and the potential for bias. Users should be aware that without clear explanations, they may not fully understand how their data influences automated outcomes, which could impact their experience with the platform.

Privacy Weakness: Unaddressed Ethical AI Principles

Additionally, Resend does not document its adherence to ethical AI principles or anti-bias measures. This oversight is critical, as it leaves users vulnerable to potential biases in AI-driven decisions. Users should consider this risk seriously and ask questions about how Resend ensures fairness and accountability in its AI processes. To mitigate these risks, users can actively seek out alternative platforms that prioritize ethical AI practices and provide clear documentation on their methodologies.

Practical Guidance: Settings to Check for Enhanced Privacy

To enhance privacy while using Resend, users should take advantage of any available settings that allow them to control their data sharing preferences. Check the platform’s privacy settings to ensure that you are only sharing necessary information. Additionally, users should regularly review their consent preferences and opt-out of any data processing activities that they are uncomfortable with. This proactive approach can help users maintain better control over their personal information and ensure compliance with privacy regulations.

Practical Guidance: Alternatives and Precautions

If the weaknesses in Resend's AI governance are concerning, users might want to explore alternative email marketing platforms that offer stronger transparency and ethical AI practices. Look for platforms that provide comprehensive documentation on their AI decision-making processes and adhere to recognized standards like ISO 27701. Furthermore, consider implementing additional precautions, such as using data anonymization techniques and regularly auditing your data handling practices to ensure compliance with GDPR and LGPD requirements. By taking these steps, users can better protect their data and maintain trust in their email marketing efforts.

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Source: vendor public documents

Analyzed Sources

Public documents used in the audit of Resend:

Evidence, confirmations and contestations

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Scope & Limitations

TrustThis/AITS assessments are based exclusively on publicly available information, duly cited with date and URL, following the AITS methodology (privacy & AI transparency).

The content is indicative in nature, intended for screening and comparison, not replacing internal audits.

TrustThis/AITS does not perform invasive tests, does not access vendor technology environments and does not process customer personal data. Conclusions reflect only the vendor's public communication at the date of collection.

Source: vendor public documents