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POST
/
v1
/
prompt-2025
/
update
curl -X POST "https://api.helicone.ai/v1/prompt-2025/update" \
  -H "Authorization: Bearer $HELICONE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "promptId": "prompt_123",
    "promptVersionId": "version_456",
    "newMajorVersion": true,
    "environment": "production",
    "commitMessage": "Updated system prompt for better customer interactions",
    "promptBody": {
      "model": "gpt-4",
      "messages": [
        {
          "role": "system",
          "content": "You are an expert customer support assistant with deep knowledge of our products."
        }
      ],
      "temperature": 0.7
    }
  }'

{
  "id": "version_789"
}
Creates a new version of an existing prompt with updated content. Can create either a major or minor version.

​
Request Body

​
promptId
string
required
The unique identifier of the prompt to update
​
promptVersionId
string
required
The unique identifier of the current prompt version to base the update on
​
newMajorVersion
boolean
required
Whether to create a new major version (true) or minor version (false)
​
environment
string
Optional environment to set for this new version (e.g., “production”, “staging”, “development”)
​
commitMessage
string
required
A description of the changes made in this version
​
promptBody
OpenAIChatRequest
required
The updated prompt body following OpenAI chat completion format

​
Response

​
id
string
Unique identifier of the new prompt version
curl -X POST "https://api.helicone.ai/v1/prompt-2025/update" \
  -H "Authorization: Bearer $HELICONE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "promptId": "prompt_123",
    "promptVersionId": "version_456",
    "newMajorVersion": true,
    "environment": "production",
    "commitMessage": "Updated system prompt for better customer interactions",
    "promptBody": {
      "model": "gpt-4",
      "messages": [
        {
          "role": "system",
          "content": "You are an expert customer support assistant with deep knowledge of our products."
        }
      ],
      "temperature": 0.7
    }
  }'

{
  "id": "version_789"
}