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Technologies / Autumn / Resend

Companies using Autumn and Resend

10 companies in our data have public evidence for both Autumn and Resend, 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.

10companies use both
63%of Autumn users
1%of Resend users
7name both as subprocessors

Companies using one are 10 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

CompanyAutumnResend
Choruschorus.comChorus provides AI agents that perform marketing and other business tasks, communicating through apps like iMessage, Slack, and WhatsApp.AI and machine learningProductivity and collaboration
Databuddydatabuddy.ccDatabuddy provides product analytics that track visitors, signups, funnels, and revenue in one place, along with error tracking, Web Vitals, feature flags, and an AI analyst.Data and analyticsDeveloper tools
Expandexpand.aiExpand provides web search, page fetching, and crawling tools that return Markdown, hidden JSON, and citable snapshots for AI agents.AI and machine learningDeveloper tools
First Concepts Creativefirstconcepts.coFirst Concepts provides a workspace for turning briefs into creative concepts, scripts, storyboards and video using AI models.AI and machine learningDesign and creative
Golemrygolemry.comGolemry runs scheduled or triggered jobs in a cloud sandbox with access limited to the tools each job needs, and an overseer checks every result.AI and machine learningProductivity and collaboration
Mastramastra.aiMastra is a TypeScript agent framework for building, observing, and improving AI agents.AI and machine learningDeveloper tools
Runablerunable.comRunable is an AI agent that helps users build websites, run tasks, and grow a business.AI and machine learningProductivity and collaboration
Midrendermidrender.comMidrender lets AI agents and humans collaborate on motion graphics that stay manually editable.AI and machine learningDesign and creative
Droidrundroidrun.aiDroidrun provides cloud phones and device fleets that AI agents control via API, along with an open framework for giving agents a phone.AI and machine learning
Wafflewaffle.aiWaffle makes AI-generated videos featuring AI creators, which brands can use to research what sells, produce short-form video, and post it across TikTok, Instagram, YouTube and LinkedIn.AI and machine learning

The two technologies

Autumn

Payments

63% of the 16 companies we see using Autumn also show the other.

All 16 companies using Autumn13 name it as a subprocessorMore in Payments

Resend

Email and communications

Resend is an email platform for developers that delivers transactional and marketing emails. It is used to send emails through an API, SDKs, or SMTP, along with webhooks, contact management, and analytics.

Summarized from resend.com on 8 Nov 2026.

1% of the 1,413 companies we see using Resend also show the other.

All 1,413 companies using Resend1,048 name it as a subprocessorMore in Email and communications

Industries

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

AI and machine learning9Productivity and collaboration3Developer tools3Design and creative2

Other pairs

Companies with their own evidence for both.

More with Autumn

Cloudflare16companiesStripe16companiesGoogle Workspace14companiesPostHog14companiesVercel14companiesAnthropic11companies

More with Resend

Cloudflare1,412companiesStripe941companiesGoogle Workspace845companiesNext.js809companiesVercel760companiesGoogle680companies

Questions

How many companies use both Autumn and Resend?

10 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 Autumn and Resend?

Chorus, Databuddy, Expand, First Concepts Creative and Golemry, and 5 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Autumn and Resend?

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 Autumn and Resend

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