Pricing

Model OPC UA companion specs with AI — start free, upgrade when you ship.

Free

$0

Try the full API — no credit card

  • 25 API calls per day
  • 1 API key
  • 90-day trial period
  • YAML validation & NodeSet2 generation
  • MCP server cloud tools
  • Community support
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Pro

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For engineers shipping real models

  • Unlimited API calls
  • No trial expiry
  • AI model generation (opcua_model_create)
  • NodeSet2 reverse-engineering
  • Priority support from the node-opcua team
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Enterprise

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For teams and OEM integration

  • Everything in Pro
  • Up to 5 API keys
  • On-premise deployment options
  • Custom companion-spec onboarding
  • SLA & dedicated support
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Anonymous discovery access: 50 validate calls per day, no signup required. Create a free account to get an API key.