Test Canvas

POST /api/v1/evi/canvases/{id}/test
Authorization: Bearer theo_sk_...
Content-Type: application/json

{
  "message": "Check stock for SKU-1234",
  "history": [
    { "role": "user", "content": "Hello" },
    { "role": "assistant", "content": "Hi! How can I help?" }
  ]
}

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Parameters

• message (string, required) — The test message (max 4000 chars).
• history (array, optional) — Up to 10 previous messages for multi-turn testing. Each has role (“user” or “assistant”) and content.

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Response

{
  "response": "SKU-1234 currently has 47 units in stock...",
  "cost_cents": 5
}

​

Sandbox Constraints

• No real external HTTP requests
• Tool calls return simulated mock data
• Responses are concise for testing
• Credits are debited at the standard rate