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Technologies / Abstract API / PostHog

Companies using Abstract API and PostHog

5 companies in our data have public evidence for both Abstract API and PostHog, 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
45%of Abstract API users
under 1%of PostHog users
5name both as subprocessors

Companies using one are 6.1 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

CompanyAbstract APIPostHog
Affilaeaffilae.comAffilae provides an affiliate and influence marketing platform with tools for managing campaigns, affiliates, and payments.Marketing
Defaultdefault.comDefault provides a platform to manage workflows, enrich records, route leads, and schedule meetings.Sales
SavvyCal Appointmentssavvycal.appSavvyCal Appointments provides a scheduling engine and API that computes availability, enforces scheduling rules, and books appointments atomically.Healthcare
SavvyCalsavvycal.comSavvyCal provides scheduling links that let recipients overlay their own calendar to find a meeting time.Productivity and collaboration
Zerozero.incSales

The two technologies

Abstract API is a platform of APIs that provides unified email, phone and IP signals. It is used to verify users, block risky ones, and enrich data.

Summarized from abstractapi.com on 8 Nov 2026.

45% of the 11 companies we see using Abstract API also show the other.

All 11 companies using Abstract API11 name it as a subprocessor

PostHog

Analytics

PostHog is a platform that ingests and stores product analytics, errors, session replays, and business data so teams and their AI agents can query and act on it. It is used to answer product questions, investigate issues across tools, and give agents product context.

Summarized from posthog.com on 8 Nov 2026.

under 1% of the 1,752 companies we see using PostHog also show the other.

All 1,752 companies using PostHog1,109 name it as a subprocessorMore in Analytics

Other pairs

Companies with their own evidence for both.

More with Abstract API

Cloudflare11companiesAmazon Web Services9companiesGoogle Workspace9companiesOpenAI8companiesSlack6companiesStripe6companies

More with PostHog

Cloudflare1,744companiesGoogle Workspace1,374companiesStripe977companiesNext.js837companiesAmazon Web Services820companiesVercel804companies

Questions

How many companies use both Abstract API and PostHog?

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 Abstract API and PostHog?

Affilae, Default, SavvyCal Appointments, SavvyCal and Zero. Each one links to the evidence behind it.

How does StrataDB know a company uses Abstract API and PostHog?

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 Abstract API and PostHog

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