Vouch API
AI equity research that proves it isn't lying
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Vouch API - The Trust Layer for AI Finance

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The audit and verification layer for AI-generated diligence, memos, and equity research. Source-traced, cryptographically signed, FINRA 17a-4 compliant. Built by a PE GP for PE, hedge funds, and fund CCOs.

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Hey Product Hunt! 👋 I'm the founder of Vouch API. I spent years as a GP in private equity, and I kept running into the same problem: AI is now writing a huge share of our diligence, investment memos, and equity research — but there was no reliable way to prove where any of it came from or whether it could be trusted. When a memo drives a real capital decision, "the model said so" isn't good enough. Compliance teams, LPs, and regulators all want to know: what sources backed this claim, who signed off, and can we reproduce it later? That's why we built Vouch API — a trust and audit layer that sits underneath AI-generated financial content. It traces every output back to its sources, cryptographically signs the record so it can't be quietly altered, and keeps everything FINRA 17a-4 compliant for the people whose job is to ask hard questions later. It's built for PE firms, hedge funds, and fund CCOs who want the speed of AI without giving up the paper trail. Would love to hear how you're thinking about trust and auditability in AI workflows — especially if you work in finance or compliance. Happy to answer any questions!