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DELETE
/
threads
/
{thread_id}
/
messages
/
{message_id}
cURL
curl -X DELETE https://api.portkey.ai/v1/threads/thread_abc123/messages/msg_abc123 \
  -H "Content-Type: application/json" \
  -H "x-portkey-api-key: $PORTKEY_API_KEY" \
  -H "x-portkey-virtual-key: $PORTKEY_PROVIDER_VIRTUAL_KEY" \
  -H "OpenAI-Beta: assistants=v2"
{
  "id": "<string>",
  "deleted": true,
  "object": "thread.message.deleted"
}

Documentation Index

Fetch the complete documentation index at: https://portkey-docs-feat-support-overview-page.mintlify.app/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
x-portkey-api-key
string
header
required
​
x-portkey-virtual-key
string
header
required

Path Parameters

​
thread_id
string
required

The ID of the thread to which this message belongs.

​
message_id
string
required

The ID of the message to delete.

Response

200 - application/json

OK

​
id
string
required
​
deleted
boolean
required
​
object
enum<string>
required
Available options:
thread.message.deleted
Last modified on March 13, 2026