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Technologies / InterFax / NotaryPro

Companies using InterFax and NotaryPro

5 companies in our data have public evidence for both InterFax and NotaryPro, and 5 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.

5companies use both
100%of InterFax users
100%of NotaryPro users
5name both as subprocessors

Companies using one are 4798 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

CompanyInterFaxNotaryPro
airSlateairslate.comairSlate builds automation products for editing and signing documents, automating business processes, and acquiring new customers.Productivity and collaboration
DocHubdochub.comDocHub provides online tools to edit, sign, share, and create forms for PDF documents.Productivity and collaboration
Instapageinstapage.comInstapage provides an AI-powered platform for creating landing pages and websites, with tools for A/B testing, personalization, and email marketing.Marketing
SignNowsignnow.comairSlate SignNow provides electronic signature and document workflow tools that let users sign, send, track, and store documents from any device, along with templates, fillable fields, and an API for embedding eSignatures in other apps.Productivity and collaboration
US Legal Formsuslegalforms.comUS Legal Forms provides an online library of state-specific legal forms.Legal

The two technologies

InterFax

Email and communications

100% of the 5 companies we see using InterFax also show the other.

All 5 companies using InterFax5 name it as a subprocessorMore in Email and communications

NotaryPro is an online notary service that lets users have documents signed and commissioned by a notary public over a video appointment in about seven minutes. It is used for getting legal documents such as affidavits and consents notarized remotely, from wherever the user is.

Summarized from notarypro.ca on 9 Nov 2026.

100% of the 5 companies we see using NotaryPro also show the other.

All 5 companies using NotaryPro5 name it as a subprocessor

Other pairs

Companies with their own evidence for both.

More with InterFax

Akamai5companiesAmazon Web Services5companiesCloudflare5companiesGoogle Cloud5companiesGoogle Workspace5companiesLob5companies

More with NotaryPro

Akamai5companiesAmazon Web Services5companiesCloudflare5companiesGoogle Cloud5companiesGoogle Workspace5companiesLob5companies

Questions

How many companies use both InterFax and NotaryPro?

5 companies in StrataDB's data have public evidence for both, and 5 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 InterFax and NotaryPro?

airSlate, DocHub, Instapage, SignNow and US Legal Forms. Each one links to the evidence behind it.

How does StrataDB know a company uses InterFax and NotaryPro?

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 InterFax and NotaryPro

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
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