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Sign to Approve.
Not Click.

Cryptographic approval workflows for AI agents. From solo devs to enterprise teams — Ed25519 signatures replace insecure button clicks. Tamper-proof. Auditable.

Request Early Access → View on GitHub

FlowKey — Live Approval Demo

🤖

AI Agent

📋

Request

🔑

Sign

✅

Execute

⚡ Refund Request

⏳ Pending

Amount
$50,000.00

Customer
Acme Corp

Reason
Service issue

Approver
finance-lead

ed25519:kP9x2mR7vQ4nL8wJ3yT6bA5cF1hG0dS...

✓ Signature verified — Approved by finance-lead

⚡ How it Works

Three Steps. Cryptographic Proof.

Replace insecure button clicks with Ed25519 signatures. Every approval is cryptographically signed and tamper-proof.

Define Your Flow

Write approval workflows in TypeScript. Define stepsapproversand conditions with a simple DSL. Version control friendly.

Sign to Approve

Approvers receive notifications via TelegramSlackor email. They approve by signing with their Ed25519 private key — not clicking a button.

Execute & Audit

Once signedthe action executes automatically. Every approval is logged with the signaturetimestampand approver identity. Tamper-proof.

👀 See it in Action

Built for Real Workflows

From Telegram notifications to dashboard management — FlowKey integrates where your team already works.

🔑

FlowKey Bot

bot

🔔 New Approval Request

Type: Refund
Amount: $50,000.00
Customer: Acme Corp
Reason: Service issue

Approval ID: apv_7kX9mR2n
Requested by: AI Agent (support-bot)

✓ Approve & Sign

✗ Reject

23:42

Approval Dashboard

3 Pending

⚡ Refund — Acme Corp

finance-lead

$50,000

✓ Approved

🚀 Deploy — v2.4.1 prod

devops-admin

—

⏳ Pending

🔐 Data Export — EU users

compliance-officer

2.4 GB

⏳ Pending

💳 Payment — Vendor Q3

cfo

$128,500

✗ Rejected

TypeScript

import { FlowKey } from '@flowkey/core'

const flow = new FlowKey()

// Define a refund approval workflow
const refund = flow.define({
  name: 'refund-approval',
  steps: [{
    action: 'approve',
    approver: 'finance-lead',
    notify: ['telegram''email'],
    timeout: '24h'
  }]
})

// AI Agent triggers the flow
const result = await refund.run({
  amount: 50000,
  customer: 'Acme Corp',
  reason: 'Service issue'
})
// result.signature → Ed25519 proof
          

🎯 Use Cases

From Solo Devs to Enterprise Teams

Whether you're an indie hacker or running a 50-person team — your AI agents need guardrails.

Your AI handles 90% of the work.
But the critical 10% — moneydatapublic actions — needs your sign-off.

💰

Financial Operations

AI manages your portfoliosubscriptionsexpenses — but executes trades or payments only after you sign.

AI → "Buy $2,000 NVDA"
→ You sign via Telegram
→ Trade executes

Pain: "My AI bought the wrong stock"

📧

Outbound Communications

AI drafts emailstweetsmessages — but nothing goes out until you review and sign.

AI → "Send cold email to 50 leads"
→ You review & sign
→ Emails sent

Pain: "My AI sent an embarrassing email"

🗄️

Data & File Operations

AI organizes your cloud storagecleans up data — but destructive actions need your approval.

AI → "Delete 500 old backups (12GB)"
→ You confirm & sign
→ Cleanup runs

Pain: "My AI deleted important files"

It's not just "approve or reject".
It's who approved itwhenand can you prove it in an audit.

💳

Financial Approval Chains

AI processes refunds and payments. But amounts over $1K need manager sign-off. Over $10K? CFO co-signs.

AI → "Refund $50K to Acme Corp"
→ Manager signs → CFO co-signs
→ Refund API executes

Pain: "Who authorized this refund?"

🔐

Data Access & Compliance

AI handles customer queries. But exporting PII or bulk data requires DBA + Security team dual-sign.

AI → "Export 10K user records"
→ DBA signs → Security signs
→ Export runs with audit trail

Pain: "We can't prove who accessed the data"

🚀

Infrastructure Changes

DevOps AI auto-scales and deploys. But production changes need CTO approval with cryptographic proof.

AI → "Scale to 20 instances ($3K/mo)"
→ CTO signs via Slack
→ AWS API executes

Pain: "Unauthorized prod change at 3am"

⚡ Features

Built for AI Agents

Everything you need to add human-in-the-loop approvals to your AI workflows.

🔐

Cryptographic Signatures

Ed25519 signatures replace button clicks. Every approval is cryptographically signed and verifiable.

⚡

Code-First DSL

Define workflows in TypeScript. Version control friendly. No XMLno drag-and-drop.

🔔

Multi-Channel Notify

TelegramSlackEmailWebhook. Notify approvers wherever they are.

🔗

One-Time Links

Securesingle-use approval URLs. Sign in-browser without exposing private keys.

📊

Full Audit Trail

Every approval logged with signaturetimestampand approver identity. Tamper-proof.

🚀

Self-Hosted

Open source core. Run on your infrastructure. Full control over your data.

🔍 Why FlowKey?

The Problem is Real

AI agents are powerful — but without guardrailsone wrong action can cost you everything.

👤

Without FlowKey

Solo devs & teams face the same risk

AI sends wrong email to your client
AI executes a bad trade at 3am
No one knows who approved the $50K refund
Audit fails — no cryptographic proof
"It wasn't me" — no way to verify
One click away from disaster

🔑

With FlowKey

Every critical action is signed & verified

You review & sign before AI sends
Phone buzzes — you approve or reject
Ed25519 signature proves who approved
Tamper-proof audit trail for compliance
Multi-sig for high-stakes team decisions
Cryptographic proofnot just a button click

💰 Pricing

Start Free. Scale as You Grow.

Open source core. Self-hosted or managed. Pay only for what you need.

Individual

$29/month

For solo developers & indie hackers

100 approvals/month
1 user (you)
Telegram + Email notifications
Ed25519 key signing
Full audit trail
Community support

Team

$99/month

For startups & growing teams

1,000 approvals/month
Up to 10 users
Slack + Telegram + Email
Multi-signature workflows
Role-based permissions
Priority support
SSO (coming soon)

Enterprise

Custom

For large organizations

Unlimited approvals
Unlimited users
Self-hosted or managed
Custom integrations
SLA & dedicated support
Compliance assistance
On-premise deployment

✓ All plans include open source core · ✓ Self-hosted option available · ✓ Free for early adopters

🚀 Early Access

Join the Waitlist

Be the first to try FlowKey. Free for early adopters. Open source core.

✓ Free for early adopters · ✓ Open source core · ✓ Self-hosted option

✓ Thanks! We'll email you when FlowKey is ready.

Ready to Build?

Open source. Self-hosted or managed. Start in minutes.

Request Early Access → View on GitHub

Sign to Approve.Not Click.

Three Steps. Cryptographic Proof.

Define Your Flow

Sign to Approve

Execute & Audit

Built for Real Workflows

From Solo Devs to Enterprise Teams

Financial Operations

Outbound Communications

Data & File Operations

Financial Approval Chains

Data Access & Compliance

Infrastructure Changes

Built for AI Agents

Cryptographic Signatures

Code-First DSL

Multi-Channel Notify

One-Time Links

Full Audit Trail

Self-Hosted

The Problem is Real

Without FlowKey

With FlowKey

Start Free. Scale as You Grow.

Join the Waitlist

Ready to Build?

Sign to Approve.
Not Click.