List campaign messages

curl --request GET \
  --url https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages \
  --header 'X-API-KEY: <api-key>'

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/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://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-KEY", "<api-key>")

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages")

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

request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'

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

{
  "data": [
    {
      "id": "msg_01EXAMPLE",
      "conversation_id": "conv_01EXAMPLE",
      "campaign_id": "campaign_01EXAMPLE",
      "recipient_id": "recipient_01EXAMPLE",
      "provider": "trustsignal",
      "provider_message_id": "wamid.EXAMPLE",
      "direction": "outbound",
      "message_type": "template",
      "status": "delivered",
      "text": "Hi Jane, a quick question about your renewal.",
      "sent_at": "2026-05-22T10:10:05Z",
      "received_at": null,
      "created_at": "2026-05-22T10:10:05Z"
    }
  ],
  "pagination": {
    "limit": 20,
    "offset": 0
  }
}

GET

campaigns

{campaign_id}

messages

List campaign messages

curl --request GET \
  --url https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages \
  --header 'X-API-KEY: <api-key>'

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/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://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-KEY", "<api-key>")

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.lehar.ai/ca/api/v0/campaigns/{campaign_id}/messages")

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

request = Net::HTTP::Get.new(url)
request["X-API-KEY"] = '<api-key>'

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

{
  "data": [
    {
      "id": "msg_01EXAMPLE",
      "conversation_id": "conv_01EXAMPLE",
      "campaign_id": "campaign_01EXAMPLE",
      "recipient_id": "recipient_01EXAMPLE",
      "provider": "trustsignal",
      "provider_message_id": "wamid.EXAMPLE",
      "direction": "outbound",
      "message_type": "template",
      "status": "delivered",
      "text": "Hi Jane, a quick question about your renewal.",
      "sent_at": "2026-05-22T10:10:05Z",
      "received_at": null,
      "created_at": "2026-05-22T10:10:05Z"
    }
  ],
  "pagination": {
    "limit": 20,
    "offset": 0
  }
}

Authorizations

X-API-KEY

string

header

required

Path Parameters

campaign_id

string

required

Query Parameters

conversation_id

string

Filter to one conversation thread.

recipient_id

string

Filter to one recipient.

limit

integer

default:20

Required range: x <= 100

offset

integer

default:0

Response

Messages (direction is inbound/outbound; provider_message_id is the provider's id for delivery correlation).

Introduction

Agents

Agent Testing

Campaigns

Sessions

Calls

Webhook Subscriptions

Analytics

Recordings

Workspace

Knowledge Base

Pronunciation Dictionaries

WhatsApp

Catalog

Phone Numbers

WhatsApp Numbers

List campaign messages

Authorizations

Path Parameters

Query Parameters

Response