What else does Zest use?

Cloudflare, OpenRouter, PostHog, Stripe and Supabase, among 12 vendors we hold evidence for.

Which other companies use Resend?

18ways, 1K4.AI, 247 Profits, 3693 Cards and 3sixs, among 1,463 companies with public evidence.

Companies / Zest / Resend

Does Zest use Resend?

Q: Does Zest 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 company12 Nov 2026Source

Privacy policyProcesses data for the company12 Nov 2026Source

About Zest

Zest provides AI coding analytics for engineering teams, tracking the agents, models and skills behind merged pull requests. It serves engineering teams using tools such as Claude Code, Codex, Cursor and Copilot.

Summarized from its homepage on 12 Nov 2026.

AI and machine learning Developer tools

What else Zest uses

Zest has evidence for 12 vendors. The strongest:

Cloudflare OpenRouter PostHog Stripe Supabase Google Workspace Anthropic OpenAI

See the full Zest 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 1,463 companies using Resend

Check any company's vendors in seconds

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

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