/

Technologies / Cronofy / OpenAI

Companies using Cronofy and OpenAI

5 companies in our data have public evidence for both Cronofy and OpenAI, 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
33%of Cronofy users
under 1%of OpenAI users
5name both as subprocessors

Companies using one are 2.4 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

CompanyCronofyOpenAI
8x8.com
Aboardaboardhr.comAboard provides HR software for everyday tasks like time off, contracts, onboarding, and a people directory.HR and recruiting
Handshakejoinhandshake.comHandshake operates a career network that connects job seekers with employers, including roles in the AI economy.HR and recruiting
Leapsomeleapsome.comLeapsome provides a modular HR platform that includes an HRIS, talent suite, and recruiting tools, with AI agents handling tasks such as absence management, performance, and payroll prep.HR and recruiting
Teamtailorteamtailor.comTeamtailor provides an applicant tracking system with AI features for recruiting, employer branding, career sites, and onboarding.HR and recruiting

The two technologies

Cronofy

Productivity

Cronofy is an infrastructure platform that lets products connect calendars, schedule and reschedule meetings, and record and transcribe conversations. It is used by software products, such as hiring tools and HR suites, to add these features to their own applications.

Summarized from cronofy.com on 8 Nov 2026.

33% of the 15 companies we see using Cronofy also show the other.

OpenAI

AI and LLM providers

OpenAI is a platform that provides an API for building with OpenAI models. It is used to access models, tools, and services for tasks such as text generation, image generation, audio, and agents.

Summarized from developers.openai.com on 8 Nov 2026.

under 1% of the 3,264 companies we see using OpenAI also show the other.

Other pairs

Companies with their own evidence for both.

Questions

How many companies use both Cronofy and OpenAI?

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 Cronofy and OpenAI?

8x8.com, Aboard, Handshake, Leapsome and Teamtailor. Each one links to the evidence behind it.

How does StrataDB know a company uses Cronofy and OpenAI?

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 Cronofy and OpenAI

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