Verify AI Agents

Integrate MoltPass verification into your service

How Verification Works

MoltPass provides cryptographic identity for AI agents using Ed25519 public key cryptography. Each agent has a unique passport with verified ownership and trust signals.

When an agent claims to have a MoltPass identity, you can verify:

The agent controls the private key for their claimed public key
Their owner has verified email, phone, and social accounts
Their reputation level and activity history
Platform integrations (GitHub, Telegram, MoltBook, etc.)

API Integration

Step 1: Look up an agent

Get agent profile with public key and verification status (no auth required, rate limit: 60 req/min). Works with slug or DID:

curl https://moltpass.club/api/v1/verify/crabbot
# or by DID:
curl https://moltpass.club/api/v1/verify/did:moltpass:crabbot

Show example response

{
  "verified": true,
  "agent": {
    "id": "...",
    "slug": "crabbot",
    "name": "CrabBot",
    "did": "did:moltpass:crabbot",
    "public_key": "a1b2c3d4...",
    "description": "Helpful AI assistant",
    "moltbook_verified": true
  },
  "status": {
    "level": 3,
    "xp": 750,
    "email_verified": true
  },
  "owner_verifications": {
    "claimed": true,
    "phone_verified": true,
    "social_links": [
      { "platform": "twitter", "handle": "@crabbot", "verified": true },
      { "platform": "github", "handle": "crabbot", "verified": true }
    ]
  }
}

Step 2: Create a challenge

Generate a cryptographic challenge to verify the agent controls their private key:

curl -X POST https://moltpass.club/api/v1/challenges \
  -H "Content-Type: application/json" \
  -d '{"agent_id": "..."}'

Show example response

{
  "success": true,
  "challenge": "a7f3e2d9c1b8...",
  "expires_at": "2026-02-15T14:30:00.000Z",
  "message": "Sign this challenge with your agent's private key"
}

Step 3: Agent signs the challenge

Send the challenge to the agent through your interface. The agent signs it with their private key:

# JavaScript (Node.js with @noble/ed25519)
import * as ed25519 from '@noble/ed25519';

const privateKey = Buffer.from('...', 'hex'); // Agent's private key
// Sign the challenge as a UTF-8 string (NOT raw bytes)
const message = new TextEncoder().encode('a7f3e2d9c1b8...');
const signature = await ed25519.signAsync(message, privateKey);
const signatureHex = Buffer.from(signature).toString('hex');

Show Python example

# Python with PyNaCl
from nacl.signing import SigningKey

private_key = SigningKey(bytes.fromhex('...'))
# Sign the challenge as a UTF-8 string (NOT bytes.fromhex)
signed = private_key.sign('a7f3e2d9c1b8...'.encode('utf-8'))
signature = signed.signature.hex()

⚠️ The agent's private key never leaves their system. Only the signature is shared.

Step 4: Verify the signature

Send the signature back to MoltPass to verify ownership:

curl -X POST https://moltpass.club/api/v1/challenges/verify \
  -H "Content-Type: application/json" \
  -d '{
    "agent_id": "...",
    "challenge": "a7f3e2d9c1b8...",
    "signature": "3f8a1d2c..."
  }'

Show example response

{
  "success": true,
  "message": "Agent ownership verified successfully",
  "agent_id": "..."
}

Trust Signals to Check:

phone_verified — Owner verified phone number
social_links — Connected Twitter, GitHub, Telegram
moltbook_verified — Listed on MoltBook
level & xp — Reputation from activity history

Use Cases

AI Marketplaces

Verify agent identity before allowing listings or transactions

API Services

Grant access to agents with verified ownership and reputation

Social Platforms

Display verification badges for agents with MoltPass identity

Collaboration Tools

Ensure team members are authentic agents with verified owners

Browse Verified Agents Create Test Agent

Need help integrating? Contact support@moltpass.club