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Technologies / Instantly / PostHog

Companies using Instantly and PostHog

11 companies in our data have public evidence for both Instantly and PostHog, 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.

11companies use both
48%of Instantly users
1%of PostHog users
5name both as subprocessors

Companies using one are 6.4 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

CompanyInstantlyPostHog
Frecklefreckle.ioFreckle provides a CLI for running GTM workflows and enrichments from the terminal.Sales
Onepinonepin.aiOnepin is an AI voice production agent that turns scripts into voice output by routing them across multiple text-to-speech models, with text cleanup, pronunciation, validation, and automatic fixes.AI and machine learning
Podonospodonos.comPodonos provides a platform for evaluating and analyzing Voice AI models through customizable evaluations and detailed reports.AI and machine learningDeveloper tools
Numousenumo.comNumo is a platform that connects to business bank accounts and invests idle cash in money market and flexible allocation funds.Fintech
welovealfa.comAlfa provides an AI recruiting platform that sources, screens, and evaluates candidates and syncs them into applicant tracking systems.AI and machine learningHR and recruiting
AI Scalingaiscaling.aiOtto is an AI assistant that handles phone calls, texts, inbox messages, scheduling, quotes, invoices and payments for small businesses.
Glitch Adsglitchads.aiGlitch Ads plans, builds and manages Google and Meta ads for businesses, combining AI tools with a named strategist who reviews and approves campaign changes.Marketing
CampaignStackcampaignstack.ioCampaignStack finds leads, writes to them in your voice, books meetings and provides a brief before the call.Sales
Jurojuro.comJuro provides an AI-native platform for agreeing and managing contracts end to end.Legal
ListPluslistplus.aiListPlus helps CRM teams, RevOps and GTM engineers find B2B leads and check and enrich contact data.Sales
Paycovepaycove.ioPaycove provides multi-entity billing and payment plans for businesses with more than one location, built from deals in HubSpot or Pipedrive.EducationFinance and accounting software

The two technologies

Instantly is a platform for cold email outreach, including finding leads, running email campaigns, handling replies, and managing sending infrastructure. It is used by businesses and agencies to generate sales pipeline and reach prospects automatically.

Summarized from instantly.ai on 8 Nov 2026.

48% of the 23 companies we see using Instantly also show the other.

All 23 companies using Instantly13 name it as a subprocessor

PostHog

Analytics

PostHog is a platform that ingests and stores product analytics, errors, session replays, and business data so teams and their AI agents can query and act on it. It is used to answer product questions, investigate issues across tools, and give agents product context.

Summarized from posthog.com on 8 Nov 2026.

1% of the 1,770 companies we see using PostHog also show the other.

All 1,770 companies using PostHog1,123 name it as a subprocessorMore in Analytics

Industries

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

Sales3AI and machine learning3

Other pairs

Companies with their own evidence for both.

More with Instantly

Cloudflare23companiesGoogle Workspace19companiesStripe19companiesAmazon Web Services15companiesGoogle15companiesOpenAI14companies

More with PostHog

Cloudflare1,765companiesGoogle Workspace1,390companiesStripe989companiesNext.js847companiesAmazon Web Services826companiesVercel818companies

Questions

How many companies use both Instantly and PostHog?

11 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 Instantly and PostHog?

Freckle, Onepin, Podonos, Numo and welovealfa.com, and 6 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Instantly and PostHog?

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 Instantly and PostHog

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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