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Technologies / Apideck / OpenAI

Companies using Apideck and OpenAI

7 companies in our data have public evidence for both Apideck and OpenAI, and 7 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.

7companies use both
64%of Apideck users
under 1%of OpenAI users
7name both as subprocessors

Companies using one are 4.5 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

CompanyApideckOpenAI
Alinealine.coAline provides AI software for drafting, redlining, signing, and analyzing contracts.AI and machine learningLegal
DATENDOdatendo.deCompliance and risk
Halcyonhalcyon.usHalcyon provides software for business valuations, insights, and next steps.Finance and accounting software
Soukjoinsouk.com
NovaHiringnovahiring.comNovaHiring provides a multi-agent AI platform that runs each stage of the talent acquisition process, from CV analysis and WhatsApp conversations to language tests, interviews, scheduling and document validation.AI and machine learningHR and recruiting
Trengotrengo.comTrengo provides a shared inbox that combines channels like WhatsApp, email, live chat, social media and voice, along with AI agents that handle repetitive customer questions.AI and machine learningCustomer support
Userleduserled.ioUserled provides an AI-native account-based marketing platform with LinkedIn ABM ads, personalized microsites, and a sales plugin.Marketing

The two technologies

Apideck

Developer tools

Apideck is a unified API platform that gives software companies one API to build against instead of maintaining a separate integration for each third-party app their customers use. It normalizes data models and authentication across connectors in categories such as accounting, CRM, HRIS, and file storage.

Summarized from apideck.com on 9 Nov 2026.

64% of the 11 companies we see using Apideck also show the other.

All 11 companies using Apideck11 name it as a subprocessorMore in Developer tools

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 3,304 companies we see using OpenAI also show the other.

All 3,304 companies using OpenAI2,530 name it as a subprocessorMore in AI and LLM providers

Other pairs

Companies with their own evidence for both.

More with Apideck

Cloudflare11companiesGoogle Workspace10companiesAmazon Web Services8companiesStripe6companiesWebflow6companies

More with OpenAI

Cloudflare3,289companiesGoogle Workspace2,481companiesAnthropic1,998companiesAmazon Web Services1,890companiesStripe1,652companiesGoogle1,552companies

Questions

How many companies use both Apideck and OpenAI?

7 companies in StrataDB's data have public evidence for both, and 7 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 Apideck and OpenAI?

Aline, DATENDO, Halcyon, Souk and NovaHiring, and 2 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Apideck 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 Apideck 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