Companies using BetterContact and Resend

4 companies in our data have public evidence for both BetterContact and Resend, and 3 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.

4companies use both

57%of BetterContact users

under 1%of Resend users

3name both as subprocessors

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

Company	BetterContact	Resend
inDealindeal.aiinDeal offers an AI CRM with an appointment agent that finds leads from likes, comments, networks and website visitors, writes messages and follows up until a meeting is booked.AI and machine learning Sales
iSyncSOisyncso.comSYNC is an AI sales agent that reads companies in a B2B seller's market, finds those with a reason to hear from them, and drafts emails for the seller to approve.AI and machine learning Sales
Loopsterloopster.aiLoopster provides a GTM orchestration platform with unlimited contact data enrichment, including work and personal emails and phones.Sales
CampaignStackcampaignstack.ioCampaignStack finds leads, writes to them in your voice, books meetings and provides a brief before the call.Sales

The two technologies

BetterContact

CRM and sales

BetterContact is a contact enrichment platform that combines data from 20+ providers in one subscription to find emails and mobile numbers, which are checked through a multi-layer validation process. Its Connect Intelligence feature scores each phone number by its likelihood to connect, which is used by sales and growth teams to prioritize outbound calling and outreach.

Summarized from bettercontact.rocks on 9 Nov 2026.

57% of the 7 companies we see using BetterContact also show the other.

All 7 companies using BetterContact 6 name it as a subprocessor More in CRM and sales

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.

under 1% of the 1,403 companies we see using Resend also show the other.

All 1,403 companies using Resend 1,040 name it as a subprocessor More in Email and communications

Industries

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

Sales4 AI and machine learning2

Other pairs

Companies with their own evidence for both.

More with BetterContact

Cloudflare7companies

Google6companies

OpenAI6companies

Google Workspace5companies

More with Resend

Cloudflare1,402companies

Stripe934companies

Google Workspace839companies

Next.js803companies

Vercel755companies

Google677companies

Questions

How many companies use both BetterContact and Resend?

4 companies in StrataDB's data have public evidence for both, and 3 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 BetterContact and Resend?

inDeal, iSyncSO, Loopster and CampaignStack. Each one links to the evidence behind it.

How does StrataDB know a company uses BetterContact 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 BetterContact 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