Mailtrap tech stack

mailtrap.io

Mailtrap provides an email API and SMTP service for sending transactional and promotional emails, plus an email sandbox for testing emails in staging and development environments. It serves developer and product teams.

Summarized from its homepage on 4 Nov 2026.

Classified asDeveloper tools

Vendors of Mailtrap and the evidence for each

Mailtrap declares 12 subprocessors, including AI providers OpenAI.

VendorCategoryEvidenceLevel

Amazon Web ServicesCloud and infrastructureConfirmed

Subprocessor listNamed as Amazon Web Services, Inc. · Processes data for the company11 Nov 2026Source

Privacy policyNamed as Amazon Webservices, Inc. · Processes data for the company11 Nov 2026Source

Companies using Amazon Web Services

ClarityAnalyticsConfirmed

Subprocessor listProcesses data for the company11 Nov 2026Source

Privacy policyProcesses data for the company11 Nov 2026Source

Companies using Clarity

E-HAWKSecurity and identityConfirmed

Subprocessor listNamed as E-HAWK LLC · Processes data for the company11 Nov 2026Source

Privacy policyNamed as E-HAWK LLC · Processes data for the company11 Nov 2026Source

Companies using E-HAWK

GoogleCloud and infrastructureConfirmed

Subprocessor listNamed as Google Inc. · Processes data for the company11 Nov 2026Source

Privacy policyNamed as Google Inc. · Processes data for the company11 Nov 2026Source

Companies using Google

OpenAIAI and LLM providersConfirmed

Subprocessor listNamed as OpenAI OpCo, LLC · Processes data for the company11 Nov 2026Source

Privacy policyNamed as OpenAI OpCo, LLC · Processes data for the company11 Nov 2026Source

Companies using OpenAI

SlackProductivityConfirmed

Subprocessor listNamed as Slack Technologies Inc · Processes data for the company11 Nov 2026Source

Privacy policyNamed as Slack Technologies Inc · Processes data for the company11 Nov 2026Source

Companies using Slack

StripePaymentsConfirmed

Subprocessor listNamed as Stripe, Inc. · Processes data for the company11 Nov 2026Source

Privacy policyNamed as Stripe, Inc. · Processes data for the company11 Nov 2026Source

Companies using Stripe

BraintreePaymentsConfirmed

Subprocessor listProcesses data for the company11 Nov 2026Source

Companies using Braintree

GitBookConfirmed

Subprocessor listNamed as GitBook Inc. · Processes data for the company11 Nov 2026Source

Companies using GitBook

MailgunEmail and communicationsConfirmed

Subprocessor listNamed as Mailgun Technologies, Inc. · Processes data for the company11 Nov 2026Source

Companies using Mailgun

19 more vendors

See Mailtrap's full stack and the source for every claim.

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Questions about Mailtrap

Does Mailtrap use OpenAI?

Certifications

Standard	What the source says	Checked
ISO 27001Company's statement	“ISO 27001 DORA Visit Trust Center”The company's own statement. We have not checked an accreditation registry.	11 Nov 2026Source
SOC 2Company's statement	“SOC 2 ISO 27001 DORA Visit Trust Center”The company's own statement. SOC 2 has no public registry; the report itself is shared by the company, usually under NDA.	11 Nov 2026Source

We last read its homepage on 11 Nov 2026 and the FedRAMP Marketplace on 8 Nov 2026. A standard not shown here was not found in these sources. That does not mean Mailtrap lacks it.