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Technologies / OpenAI / Postman

Companies using OpenAI and Postman

8 companies in our data have public evidence for both OpenAI and Postman, 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.

8companies use both
under 1%of OpenAI users
53%of Postman users
7name both as subprocessors

Companies using one are 3.8 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

CompanyOpenAIPostman
5CA5ca.com5CA provides outsourced multilingual customer support and player support delivered by remote agents.Customer supportConsulting and services
Maestro AIgetmaestro.aiMaestro provides token accounting and visibility for coding agent sessions, showing where tokens go and what they produced.AI and machine learningDeveloper tools
Stellicstellic.comStellic provides a student journey platform for academic planning, degree progress tracking, transfer guidance, and registration.Education
SubscriptionFlowsubscriptionflow.comSubscriptionFlow provides subscription management, recurring billing, usage-based and metered billing, invoicing, payment processing, dunning, and revenue reporting software.Finance and accounting software
Swantideswantide.comSwantide provides an agentic platform for building, maintaining, and optimizing Salesforce and other enterprise applications.AI and machine learning
Verseverse.incVerse provides faster grid interconnection and a platform to control and dispatch energy assets.Energy and climate
Videowisevideowise.comVideowise provides a video commerce platform for adding shoppable videos, live shopping, and user-generated content to online stores.E-commerce
Pavepave.comPave provides an AI compensation platform for market data, compensation planning, and total rewards workflows.HR and recruiting

The two technologies

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 3,317 companies we see using OpenAI also show the other.

All 3,317 companies using OpenAI2,540 name it as a subprocessorMore in AI and LLM providers

Postman

Developer tools

Postman is a platform for designing, building, testing, and managing APIs, including a Postman CLI and MCP Server that give AI coding agents access to API workflows. It is used by developers and teams to run collections and tests, mock APIs, monitor endpoints, and map API dependencies.

Summarized from postman.com on 8 Nov 2026.

53% of the 15 companies we see using Postman also show the other.

All 15 companies using Postman15 name it as a subprocessorMore in Developer tools

Other pairs

Companies with their own evidence for both.

More with OpenAI

Cloudflare3,304companiesGoogle Workspace2,490companiesAnthropic2,006companiesAmazon Web Services1,897companiesStripe1,661companiesGoogle1,560companies

More with Postman

Cloudflare15companiesGoogle Workspace13companiesAmazon Web Services10companiesGitHub10companiesGoogle Tag Manager9companiesGoogle Analytics8companies

Questions

How many companies use both OpenAI and Postman?

8 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 OpenAI and Postman?

5CA, Maestro AI, Stellic, SubscriptionFlow and Swantide, and 3 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses OpenAI and Postman?

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 OpenAI and Postman

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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