The Production Layer for AI Agents

Deploy agents as stateful services with

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Deploy In One Line

Add a dari.yml file with your tools, skills, and configuration and deploy in just one command.

Agents are Durable Sessions
Create an agent session and communicate via API. Wait hours, days, or even years between messages without worrying about idle costs or sandbox crashes. 
curl -X POST https://api.dari.dev/v1/sessions/sess_123/events \
    -H "Authorization: Bearer $DARI_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "events": [
        {
          "type": "user.message",
          "content": [
            { "type": "text", "text": "Extract key fields from this document." },
            { "type": "file", "file_id": "file_456" }
          ]
        }
      ]
    }'
Maintain Full Control
Deploy sandboxes on the platform of your choice, BYOK key for LLMs, choose your harness.
name: support-agent
  harness: pi
  llm:
    base_url: https://openrouter.ai/api/v1
    model: anthropic/claude-sonnet-4.6
    api_key_secret: OPENROUTER_API_KEY
  sandbox:
    provider: e2b
    provider_api_key_secret


Built for Open-Source Harnesses
Built for Open-Source Harnesses
Pi
We allow you to deploy Pi agents with native extension support via our fork made for durable execution. 
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Pi
We allow you to deploy Pi agents with native extension support via our fork made for durable execution. 
View Source
Hermes (coming soon)
We are adding native Hermes harness support in the coming weeks.
View Source
Hermes (coming soon)
We are adding native Hermes harness support in the coming weeks.
View Source
Bring Your Own Harness
If you'd like to deploy your own proprietary harness with durable execution and sandboxes, book a call. 
Book A Call
Bring Your Own Harness
If you'd like to deploy your own proprietary harness with durable execution and sandboxes, book a call. 
Book A Call
Ready to deploy your agents reliably?
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Documentation