Batch Delete Memories

Delete multiple memories in a single batch request using the Mem0 API DELETE endpoint.

DELETE /v1/batch/

Python

Python

# To use the Python SDK, install the package:
# pip install mem0ai

from mem0 import MemoryClient
client = MemoryClient(api_key="your_api_key")

delete_memories = [
    {"memory_id": "285ed74b-6e05-4043-b16b-3abd5b533496"},
    {"memory_id": "2c9bd859-d1b7-4d33-a6b8-94e0147c4f07"}
]

response = client.batch_delete(delete_memories)
print(response)

// To use the JavaScript SDK, install the package:
// npm i mem0ai

import MemoryClient from 'mem0ai';
const client = new MemoryClient({ apiKey: "your-api-key" });

const deleteMemories = [
    { memory_id: "285ed74b-6e05-4043-b16b-3abd5b533496" },
    { memory_id: "2c9bd859-d1b7-4d33-a6b8-94e0147c4f07" }
];

client.batchDelete(deleteMemories)
    .then(response => console.log('Batch delete response:', response))
    .catch(error => console.error(error));

curl -X DELETE "https://api.mem0.ai/v1/batch/" \
     -H "Authorization: Token your-api-key" \
     -H "Content-Type: application/json" \
     -d '{
         "memories": [
             {
                 "memory_id": "285ed74b-6e05-4043-b16b-3abd5b533496"
             },
             {
                 "memory_id": "2c9bd859-d1b7-4d33-a6b8-94e0147c4f07"
             }
         ]
     }'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.mem0.ai/v1/batch/",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "DELETE",
  CURLOPT_POSTFIELDS => json_encode([
    'memories' => [
        [
                'memory_id' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.mem0.ai/v1/batch/"

	payload := strings.NewReader("{\n  \"memories\": [\n    {\n      \"memory_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("DELETE", url, payload)

	req.Header.Add("Authorization", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.delete("https://api.mem0.ai/v1/batch/")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"memories\": [\n    {\n      \"memory_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.mem0.ai/v1/batch/")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Delete.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"memories\": [\n    {\n      \"memory_id\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

200

{
  "message": "Successfully deleted 2 memories"
}

{
  "error": "Maximum of 1000 memories can be deleted in a single request"
}

Authorizations

Authorization · string · header · required

API key authentication. Prefix your Mem0 API key with 'Token '. Example: 'Token your_api_key'

Body

application/json

memories · object[] · required

Array of memory objects to delete.

Maximum array length: 1000

Show child attributes

Response

200

application/json

Successfully deleted memories

message · string

Example:

"Successfully deleted 2 memories"