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Technologies / Anthropic / Zerobounce

Companies using Anthropic and Zerobounce

14 companies in our data have public evidence for both Anthropic and Zerobounce, and 12 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.

14companies use both
under 1%of Anthropic users
50%of Zerobounce users
12name both as subprocessors

Companies using one are 4.0 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

CompanyAnthropicZerobounce
Activelyactively.aiActively provides AI agents that work sales accounts by researching, prioritizing, and drafting outreach for revenue teams.AI and machine learningSales
agpt.coThis company provides a team of AI experts that handle content, sales, research, and recurring work.AI and machine learningProductivity and collaboration
AiSDRaisdr.comAiSDR provides AI sales software that finds prospects and sends automated outreach emails to book meetings.AI and machine learningSales
Clozdclozd.comClozd collects customer feedback through live, AI-assisted, and AI-led interviews, and provides a platform for analyzing it.Sales
Frecklefreckle.ioFreckle provides a CLI for running GTM workflows and enrichments from the terminal.Sales
Fundraise Upfundraiseup.comFundraise Up provides an AI-powered fundraising platform for nonprofits, including checkout, payment methods, peer-to-peer fundraising, and donor management tools.
kudosity.comKudosity provides a business messaging platform for SMS, MMS, WhatsApp, RCS and conversational AI, with a REST API and integrations.CommunicationsDeveloper tools
Loopsterloopster.aiLoopster provides a GTM orchestration platform with unlimited contact data enrichment, including work and personal emails and phones.Sales
Portport.ioPort provides a platform to build, govern and operate an agentic SDLC, including a context lake, agent management, governance and workflow orchestration.AI and machine learningDeveloper tools
Preciselyprecisely.comPrecisely provides data integration, data quality, data governance, location intelligence, master data management, and customer communications software.AI and machine learningData and analytics
Scoroscoro.comScoro provides an AI-powered professional services automation platform for managing projects, resourcing, and finances.Finance and accounting softwareConsulting and services
Surface Labswithsurface.comSurface provides a marketing system that uses revenue data to run campaigns.AI and machine learningMarketing
Current MSPcurrent.dayCurrent is a CRM, marketing, account planning, roadmap, QBR, dashboard and project tool that works alongside a PSA, which keeps time and billing.Sales
Poll Everywherepolleverywhere.comPoll Everywhere provides live interactive polling and Q&A tools that embed into presentation formats such as PowerPoint, Google Slides, and Canva.EducationProductivity and collaboration

The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

under 1% of the 3,013 companies we see using Anthropic also show the other.

All 3,013 companies using Anthropic2,300 name it as a subprocessorMore in AI and LLM providers

Zerobounce

Email and communications

ZeroBounce is an email verification and deliverability platform. It is used to verify emails, clean email lists, build sender reputation, and monitor inbox health.

Summarized from zerobounce.net on 8 Nov 2026.

50% of the 28 companies we see using Zerobounce also show the other.

All 28 companies using Zerobounce25 name it as a subprocessorMore in Email and communications

Industries

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

AI and machine learning6Sales6Productivity and collaboration2Developer tools2

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,992companiesGoogle Workspace2,184companiesOpenAI2,049companiesStripe1,594companiesAmazon Web Services1,587companiesGoogle1,467companies

More with Zerobounce

Cloudflare27companiesAmazon Web Services23companiesGoogle Workspace21companiesGoogle Tag Manager17companiesHubSpot15companiesOpenAI15companies

Questions

How many companies use both Anthropic and Zerobounce?

14 companies in StrataDB's data have public evidence for both, and 12 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 Anthropic and Zerobounce?

Actively, agpt.co, AiSDR, Clozd and Freckle, and 9 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and Zerobounce?

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 Anthropic and Zerobounce

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