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Technologies / Have I Been Pwned / Resend

Companies using Have I Been Pwned and Resend

8 companies in our data have public evidence for both Have I Been Pwned and Resend, and 4 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

8companies use both
40%of Have I Been Pwned users
1%of Resend users
4name both as subprocessors

Companies using one are 6.7 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyHave I Been PwnedResend
BxScribebxscribe.comBxScribe provides AI-powered documentation tools that draft ABA session notes from structured session data.
Claimoryclaimory.ioClaimory provides body shop management software for collision repair shops that handle insurance claims.Automotive and mobility
Deflowsdeflows.comDeflows converts visual ETL flows from tools like Tableau Prep, Alteryx, SSIS and Power Query into readable SQL, dbt and documentation.Data and analyticsDeveloper tools
Lend Systemlend.tj
GrantCuegrantcue.comGrantCue is grant management software that helps organizations find grants, track deadlines, and draft applications.
MyDomainRiskmydomainrisk.comMyDomainRisk is a service that scans domains from the outside to assess their security and authenticity, covering email authentication, exposed services and known vulnerabilities.Compliance and riskCybersecurity
Outfttroutfttr.comOUTFTTR provides booking, guest, email and payment management software for fishing lodges and hunting outfitters.Travel and hospitality
Cortalitycortality.comCortality measures how real visitors use every part of a landing page, ranks the fixes, and re-measures each one to show it worked.Data and analyticsMarketing

The two technologies

Have I Been Pwned

Security and identity

Have I Been Pwned is a service that lets you check whether your email address has appeared in a data breach. It is used to see where your email was exposed and to get notified when it appears in future breaches.

Summarized from haveibeenpwned.com on 8 Nov 2026.

40% of the 20 companies we see using Have I Been Pwned also show the other.

All 20 companies using Have I Been Pwned12 name it as a subprocessorMore in Security and identity

Resend

Email and communications

Resend is an email platform for developers that delivers transactional and marketing emails. It is used to send emails through an API, SDKs, or SMTP, along with webhooks, contact management, and analytics.

Summarized from resend.com on 8 Nov 2026.

1% of the 1,403 companies we see using Resend also show the other.

All 1,403 companies using Resend1,040 name it as a subprocessorMore in Email and communications

Other pairs

Companies with their own evidence for both.

More with Have I Been Pwned

Cloudflare20companiesGoogle11companiesGoogle Analytics10companiesGoogle Workspace10companiesStripe10companiesNext.js9companies

More with Resend

Cloudflare1,412companiesStripe941companiesGoogle Workspace845companiesNext.js809companiesVercel760companiesGoogle680companies

Questions

How many companies use both Have I Been Pwned and Resend?

8 companies in StrataDB's data have public evidence for both, and 4 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Have I Been Pwned and Resend?

BxScribe, Claimory, Deflows, Lend System and GrantCue, and 3 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Have I Been Pwned and Resend?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Have I Been Pwned and Resend

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call