
Resend
Based exclusively on public evidence • 20 criteria (Privacy + AI)
Last review: 26 Feb 2026
AI Trust Summary
- •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.
Safer Alternatives
Higher-rated software in the same category
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)
Data controller and processor roles clearly defined
Reference: ISO/IEC 27701 (7.3)
Identity and contact of the data controller clearly informed
Reference: ISO/IEC 27701 (7.3)
Processing purposes clearly listed by data category
Reference: ISO/IEC 27701 (7.3)
Source: vendor public documents
Follow this company and access all 20 criteria
Track score changes, get alerts on policy updates, and view the full conformance analysis
Don't miss any update
Sign up to follow this company and track changes in privacy and AI scores
Why trust the AITS Index: Open Community Audit
Public transparency, peer review and open evidence trails — all verifiable by the community
Trust guarantees
Peer review
users, professionals and experts confirm or contest items online.
Public history
vendor and index changes are versioned and accessible.
Participate
Evidence, confirmations and contestations
participate in the collaborative validation of AITS criteria
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.
Other Email Marketing software
Dive into in-depth research and analysis of each player

Adobe Marketo Engage
Oracle Eloqua

Brevo

Customer.io

Drip

EngageBay

Zoho Marketing Automation

Constant Contact
Source: vendor public documents
Analyzed Sources
Public documents used in the audit of Resend:
Evidence, confirmations and contestations
participate in the collaborative validation of AITS criteria
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