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POST
/
v1
/
conversations
/
{conversationUrn}
/
messages
Send Message
curl --request POST \
  --url https://app-api.walead.ai/api/v1/conversations/{conversationUrn}/messages \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "message": "<string>"
}
'
import requests

url = "https://app-api.walead.ai/api/v1/conversations/{conversationUrn}/messages"

payload = { "message": "<string>" }
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}

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

print(response.text)
const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({message: '<string>'})
};

fetch('https://app-api.walead.ai/api/v1/conversations/{conversationUrn}/messages', 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://app-api.walead.ai/api/v1/conversations/{conversationUrn}/messages",
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([
'message' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);

$response = curl_exec($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://app-api.walead.ai/api/v1/conversations/{conversationUrn}/messages"

payload := strings.NewReader("{\n \"message\": \"<string>\"\n}")

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

req.Header.Add("x-api-key", "<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.post("https://app-api.walead.ai/api/v1/conversations/{conversationUrn}/messages")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"message\": \"<string>\"\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://app-api.walead.ai/api/v1/conversations/{conversationUrn}/messages")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"message\": \"<string>\"\n}"

response = http.request(request)
puts response.read_body
{
  "success": true,
  "message": "<string>"
}
{
"statusCode": 123,
"message": "<string>"
}
{
"statusCode": 123,
"message": "<string>"
}

Overview

Sends a message in an existing conversation. Use this to reply to leads directly from your application or automation.

Requirements

  • The conversation must exist in your workspace
  • Message text is required and cannot be empty
  • The LinkedIn account must be connected and active

Message Formatting

  • Plain text messages are supported
  • Leading and trailing whitespace is automatically trimmed
  • Empty messages will return a 400 error

Use Cases

  • Build custom chat interfaces
  • Automate responses based on lead behavior
  • Reply to leads from your CRM
  • Implement chatbot functionality

Important Notes

  • Messages are sent immediately
  • Sent messages appear in both your WaLead inbox and LinkedIn
  • Rate limits apply based on LinkedIn’s restrictions

Authorizations

x-api-key
string
header
required

API key for authentication. Generate from your WaLead dashboard.

Path Parameters

conversationUrn
string
required

Conversation URN identifier

Body

application/json

Message content

message
string
required

Message text to send

Response

Message sent successfully

success
boolean
message
string