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Technologies / Hyperdoc / OpenAI

Companies using Hyperdoc and OpenAI

21 companies in our data have public evidence for both Hyperdoc and OpenAI, and 20 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.

21companies use both
84%of Hyperdoc users
1%of OpenAI users
20name both as subprocessors

Companies using one are 6.0 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

CompanyHyperdocOpenAI
15Five15five.com15Five provides integrated software for running reviews, 1-on-1s, and OKRs.HR and recruiting
1mind AI1mind.com1mind provides AI agents that join sales and customer success calls, answer product questions, and guide users inside software products.AI and machine learning
BrightHirebrighthire.comBrightHire is an AI hiring platform that provides application review, AI interviews, live interview intelligence, and candidate fraud detection.AI and machine learningHR and recruiting
Calendlycalendly.comCalendly provides scheduling software and tools for managing tasks before, during, and after meetings.Productivity and collaboration
Calendly Statuscalendlystatus.com
Datadogdatadoghq.comDatadog provides an integrated platform for monitoring and security, including observability, security, digital experience, software delivery, service management, and AI capabilities.Cloud and infrastructureCybersecurity
Day AIday.aiDay AI provides a context graph and agent control plane for go-to-market teams.AI and machine learningProductivity and collaboration
Defaultdefault.comDefault provides a platform to manage workflows, enrich records, route leads, and schedule meetings.Sales
Eightfoldeightfold.aiEightfold AI is a talent intelligence company that builds AI agents and software for hiring, talent management, and workforce planning.AI and machine learningHR and recruiting
HubSpothubspot.comHubSpot provides marketing, sales, and customer service software on one platform.Marketing
Inex Oneinex.oneInex One is a platform that gives users access to expert networks and survey providers for expert calls, surveys, and transcripts.
Jeli Post-Incident Reviewsjeli.ioJeli provides collaborative incident learning tools that help teams analyze incidents and identify patterns across tools, teams, and time.
Mindticklemindtickle.comMindtickle provides an AI-powered revenue enablement platform with products for sales training, coaching, role play, content management, and conversation intelligence.AI and machine learningSales
monday.commonday.com provides an AI workspace platform for managing projects, workflows, and business processes.AI and machine learningProductivity and collaboration
monday spacesmondayspaces.comThe company runs mondayspaces.com, a platform where users create and share workspaces and templates made by other users.Productivity and collaboration
Novisnovis.aiNovis provides an AI workspace for knowledge work and AI-native software for company workflows.AI and machine learningLegal
PagerDuty株式会社pagerduty.co.jpPagerDuty provides an operations platform that helps teams detect, respond to, resolve, and review incidents in IT systems, using AI and automation.Cloud and infrastructure
PagerDutypagerduty.comPagerDuty provides an AI-first platform for incident detection, investigation, and remediation, along with incident management and automation tools.AI and machine learning
Pipedrivepipedrive.comPipedrive provides a CRM that lets users track their sales pipeline, manage leads and deals with AI, and automate the sales process.Sales
Teamtailorteamtailor.comTeamtailor provides an applicant tracking system with AI features for recruiting, employer branding, career sites, and onboarding.HR and recruiting
aztaazta.aiAzta provides an AI co-worker that researches tax and legal questions, reads client files, and drafts cited memos.Legal

The two technologies

84% of the 25 companies we see using Hyperdoc also show the other.

All 25 companies using Hyperdoc23 name it as a subprocessor

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.

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

All 3,264 companies using OpenAI2,507 name it as a subprocessorMore in AI and LLM providers

Industries

Among the companies above, by our own classification of their homepage.

AI and machine learning8Productivity and collaboration5HR and recruiting4Sales3Cloud and infrastructure2Legal2

Other pairs

Companies with their own evidence for both.

More with Hyperdoc

Amazon Web Services25companiesCloudflare25companiesGoogle Workspace21companiesGoogle19companiesTwilio15companiesAnthropic13companies

More with OpenAI

Cloudflare3,247companiesGoogle Workspace2,448companiesAnthropic1,973companiesAmazon Web Services1,877companiesStripe1,629companiesGoogle1,528companies

Questions

How many companies use both Hyperdoc and OpenAI?

21 companies in StrataDB's data have public evidence for both, and 20 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 Hyperdoc and OpenAI?

15Five, 1mind AI, BrightHire, Calendly and Calendly Status, and 16 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Hyperdoc 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 Hyperdoc 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