Sandbox Quickstart

Hardalion Nexus includes a self-serve sandbox so anyone can explore governed agents before production. No sales call. No credit card.

Start in under 3 minutes

1. Open nexus.hardalion.com
2. Click Try Nexus free
3. You are redirected to sandbox.nexus.hardalion.com
4. Click Create sandbox workspace
5. Save the one-time API key shown on /created

What the sandbox includes

• Dedicated tenant on plan sandbox
• Pre-seeded fictional data (workflows, exceptions, audit entries, usage rows)
• One-time workspace API key (format hnx_live_… or similar) with scopes such as:
  • api
  • compliance:read
  • risk:read

Sandbox limits

Safe-environment labels

• SANDBOX MODE banner on dashboard
• SANDBOX badge in workspace selector
• Fictional-data notes on compliance surfaces
• In-app sandbox checklist panel

Upgrade flow

Apply for pilot logs the request and notifies operations. Production access requires approval.

Sample API call

Public compliance endpoints accept your sandbox key against the web origin:

curl -X POST https://nexus.hardalion.com/api/v1/public/compliance/mifid/pretrade \
  -H "Authorization: Bearer hnx_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"clientCategory":"PROFESSIONAL","instrumentClass":"equity"}'

For api.hardalion.com integrations, create a key in the Developer portal (hdl_test_… / hdl_live_…).

Next steps

• Connect your first agent
• Shadow mode
• Compliance exports

Email sequence

• sandbox-welcome: at workspace creation
• sandbox-day3: if checklist completion is below 50% after 3 days