AI purchase
needs approval
Ask the userbefore agentsact.
Nuvouch turns sensitive AI and platform actions into a trusted mobile approval: context shown, biometric decision captured, signed callback returned.
Mobile app beta now open
Ask
Scoped request
Review
Trusted mobile app
Sign
Signed callback
9:41
Nuvouch
NuvouchNuvouch mobile
Approval
1 pending
A
Astra Agent
Verified organization
High risk
Agent Travel Purchase
Astra agent wants approval to spend on a same-day flight.
$480.00
Review required
Review itinerary
Open
MerchantBlueJet Travel
RuleOver travel cap
Merchant verified
Budget rule exceeded
Expires in 2m
Signed on this device
Biometric decision
A real yes, not just a token.
Tokens and passwords prove access. They do not prove the user wanted an agent to take this action right now.
Wire transfer
needs approval
Data export
needs approval
Admin action
needs approval
Real-time control
Stop risky actions before they happen.
Human in the loop
Users decide in the Nuvouch mobile app.
Strong security
Biometric proof from a trusted device.
Full audit trail
Every request and decision is logged.
One approval path from request to signed callback.
Agent
Wants to act
Integrator
Sends approval request
Nuvouch
Verifies and routes request
Nuvouch mobile
User reviews and signs
Signed decision
Cryptographically verified
Webhook
Delivered to your platform
Create approval requestPOST /v1/approvals
curl https://api.nuvouch.com/v1/approvals \
-H "Authorization: Bearer $NUVOUCH_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"subject": { "id": "user_123" },
"action": {
"type": "payment.authorization",
"title": "Approve $4,820 wire"
},
"actor": { "type": "ai_agent", "name": "Treasury AI" },
"decisions": [
{ "label": "Approve", "value": "approve" },
{ "label": "Deny", "value": "deny" }
]
}'200 OK
Webhook eventsVerified signature
14:02:09.112request.createdreq_01H28K...
14:02:09.184mobile.push_sentdevice: iPhone 15
14:02:10.601mobile.context_viewedreview_required
14:02:11.044user.approvedbiometric_signed
14:02:11.092webhook.deliveredsignature valid
Idempotent retries
Safe to retry. Duplicate external request IDs are de-duped.
Scope-bound
Build with confidence. Users stay in control.
Device-bound decisions
Every decision is tied to a verified user on a trusted device.
Signed webhooks
Nuvouch posts signed decisions to the endpoint you configure once.
Audit-ready events
Complete, tamper-evident audit trail for compliance and forensics.
@nuvouch/node
import { Nuvouch } from "@nuvouch/node";
const nuvouch = new Nuvouch({
apiKey: process.env.NUVOUCH_API_KEY,
});
await nuvouch.approvals.create({
subject: { id: "user_123" },
action: {
type: "payment.authorization",
title: "Approve $4,820 wire"
},
actor: { type: "ai_agent", name: "Treasury AI" },
decisions: [
{ label: "Approve", value: "approve" },
{ label: "Deny", value: "deny" }
]
});
// Nuvouch sends a signed webhook when the user decides.
// Verify the signature, then act safely.Real-time user-in-the-loop approval
Start building with Nuvouch.
Add real-time approval to your platform in minutes. One API, signed callbacks, and a trusted mobile decision before action.
Mobile app beta now open
Install Nuvouch on a trusted device to review approval requests during integration testing.