What else does ChatSEO use?

Anthropic, Crisp IM, Customer.io, DataForSEO and Firecrawl, among 22 vendors we hold evidence for.

Which other companies use Resend?

18ways, 1K4.AI, 247 Profits, 3693 Cards and 3sixs, among 1,442 companies with public evidence.

Companies / ChatSEO / Resend

Does ChatSEO use Resend?

Q: Does ChatSEO use Resend?

Yes. We hold strong evidence for this. Evidence: Subprocessor list, Privacy policy.

Yes

We hold strong evidence for this.

The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
The company's privacy policy names it as a processor, controller or partner.

How we know

Subprocessor listProcesses data for the company8 Nov 2026Source

Privacy policyProcesses data for the company8 Nov 2026Source

About ChatSEO

ChatSEO is an SEO tool that analyzes a website and provides prioritized actions to improve search visibility. It serves website owners, e-commerce stores, freelancers, and agencies.

Summarized from its homepage on 8 Nov 2026.

Marketing

What else ChatSEO uses

ChatSEO has evidence for 22 vendors. The strongest:

Anthropic Crisp IM Customer.io DataForSEO Firecrawl Google APIs Hetzner Mixpanel Sentry

See the full ChatSEO tech stack

Other companies using Resend

18ways18ways.com

1K4.AI

247 Profits247profits.org

3693 Cards3693.cards

3sixs3sixs.com

720 Shop Management720shop.com

Able Careable-care.co

AcademyAIacademyai.co

All 1,442 companies using Resend

Check any company's vendors in seconds

See ChatSEO's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.

Every company and vendor, with its public source
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