Delete Prompt Version

curl -X DELETE "https://api.helicone.ai/v1/prompt-2025/prompt_123/version_456" \
  -H "Authorization: Bearer $HELICONE_API_KEY"

const response = await fetch('https://api.helicone.ai/v1/prompt-2025/prompt_123/version_456', {
  method: 'DELETE',
  headers: {
    'Authorization': `Bearer ${HELICONE_API_KEY}`,
  },
});

null

DELETE

prompt-2025

{promptId}

{versionId}

curl -X DELETE "https://api.helicone.ai/v1/prompt-2025/prompt_123/version_456" \
  -H "Authorization: Bearer $HELICONE_API_KEY"

const response = await fetch('https://api.helicone.ai/v1/prompt-2025/prompt_123/version_456', {
  method: 'DELETE',
  headers: {
    'Authorization': `Bearer ${HELICONE_API_KEY}`,
  },
});

null

Permanently deletes a specific version of a prompt while keeping the prompt and other versions intact.

Path Parameters

string

required

The unique identifier of the prompt

string

required

The unique identifier of the prompt version to delete

Response

Returns null on successful deletion.

curl -X DELETE "https://api.helicone.ai/v1/prompt-2025/prompt_123/version_456" \
  -H "Authorization: Bearer $HELICONE_API_KEY"

const response = await fetch('https://api.helicone.ai/v1/prompt-2025/prompt_123/version_456', {
  method: 'DELETE',
  headers: {
    'Authorization': `Bearer ${HELICONE_API_KEY}`,
  },
});

null

Set Version Environment Query Prompts

AI Gateway

Models

Request

Session

Prompts

User

Evals

Webhooks

Trace

Property

Dashboard

Path Parameters

Response

​Path Parameters

​Response

Path Parameters

Response