Skip to main content
POST
/
api
/
chat-messages
/
chat
/
id
/
{chatId}
/
bulk
Add multiple messages to a chat via API key
curl --request POST \
  --url https://api.leanmcp.com/api/chat-messages/chat/id/{chatId}/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "messages": [
    {
      "role": "user",
      "content": "Hello, can you help me with my project?",
      "metadata": {
        "model": "claude-3-sonnet",
        "tokens": 150
      },
      "fileIds": [
        "f1a83d84-7154-464c-bd19-a9f10e0a067f",
        "f2b94e95-8265-575d-ce2a-b0f21f1b178g"
      ]
    }
  ]
}
'
import requests

url = "https://api.leanmcp.com/api/chat-messages/chat/id/{chatId}/bulk"

payload = { "messages": [
{
"role": "user",
"content": "Hello, can you help me with my project?",
"metadata": {
"model": "claude-3-sonnet",
"tokens": 150
},
"fileIds": ["f1a83d84-7154-464c-bd19-a9f10e0a067f", "f2b94e95-8265-575d-ce2a-b0f21f1b178g"]
}
] }
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
messages: [
{
role: 'user',
content: 'Hello, can you help me with my project?',
metadata: {model: 'claude-3-sonnet', tokens: 150},
fileIds: ['f1a83d84-7154-464c-bd19-a9f10e0a067f', 'f2b94e95-8265-575d-ce2a-b0f21f1b178g']
}
]
})
};

fetch('https://api.leanmcp.com/api/chat-messages/chat/id/{chatId}/bulk', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
CURLOPT_URL => "https://api.leanmcp.com/api/chat-messages/chat/id/{chatId}/bulk",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'messages' => [
[
'role' => 'user',
'content' => 'Hello, can you help me with my project?',
'metadata' => [
'model' => 'claude-3-sonnet',
'tokens' => 150
],
'fileIds' => [
'f1a83d84-7154-464c-bd19-a9f10e0a067f',
'f2b94e95-8265-575d-ce2a-b0f21f1b178g'
]
]
]
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"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.leanmcp.com/api/chat-messages/chat/id/{chatId}/bulk"

payload := strings.NewReader("{\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": \"Hello, can you help me with my project?\",\n \"metadata\": {\n \"model\": \"claude-3-sonnet\",\n \"tokens\": 150\n },\n \"fileIds\": [\n \"f1a83d84-7154-464c-bd19-a9f10e0a067f\",\n \"f2b94e95-8265-575d-ce2a-b0f21f1b178g\"\n ]\n }\n ]\n}")

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

req.Header.Add("Authorization", "Bearer <token>")
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.post("https://api.leanmcp.com/api/chat-messages/chat/id/{chatId}/bulk")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": \"Hello, can you help me with my project?\",\n \"metadata\": {\n \"model\": \"claude-3-sonnet\",\n \"tokens\": 150\n },\n \"fileIds\": [\n \"f1a83d84-7154-464c-bd19-a9f10e0a067f\",\n \"f2b94e95-8265-575d-ce2a-b0f21f1b178g\"\n ]\n }\n ]\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.leanmcp.com/api/chat-messages/chat/id/{chatId}/bulk")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": \"Hello, can you help me with my project?\",\n \"metadata\": {\n \"model\": \"claude-3-sonnet\",\n \"tokens\": 150\n },\n \"fileIds\": [\n \"f1a83d84-7154-464c-bd19-a9f10e0a067f\",\n \"f2b94e95-8265-575d-ce2a-b0f21f1b178g\"\n ]\n }\n ]\n}"

response = http.request(request)
puts response.read_body
{
  "messages": [
    {
      "id": "<string>",
      "chatId": "c1a83d84-7154-464c-bd19-a9f10e0a067f",
      "userId": "<string>",
      "content": "<string>",
      "messageIndex": 1,
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "metadata": {}
    }
  ],
  "count": 123,
  "chatId": "c1a83d84-7154-464c-bd19-a9f10e0a067f"
}

Authorizations

Authorization
string
header
required

Enter your LeanMCP API key

Path Parameters

chatId
string
required

Chat ID

Example:

"c1a83d84-7154-464c-bd19-a9f10e0a067f"

Body

application/json
messages
object[]
required

Array of messages to create

Response

Messages added to chat successfully

messages
object[]
required

Created messages

count
number
required

Number of messages created

chatId
string
required

Chat ID where messages were added

Example:

"c1a83d84-7154-464c-bd19-a9f10e0a067f"