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Companies / 1K4.AI / Resend

Does 1K4.AI use Resend?

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 1K4.AI

1K4 provides a peer-review layer where multiple AI advisors review code, plans, and decisions and surface their disagreements. It serves users of coding agents such as Claude Code, Codex, and Cursor, as well as architects and operators.

Summarized from its homepage on 5 Nov 2026.

AI and machine learningDeveloper tools

What else 1K4.AI uses

1K4.AI has evidence for 17 vendors. The strongest:

CloudflareAnthropicCookiebotGoogle GeminiHetznerOpenAIStripexAIGoogle Analytics

See the full 1K4.AI tech stack

Other companies using Resend

All 1,390 companies using Resend

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See 1K4.AI'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
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call