Get Queue by ID

Retrieve the current delivery queue entry and status for a specific callback.

Endpoint

GET /v2/callbacks/get-queue-by-id?callbackId={callbackId}

Query Parameters

Parameter	Type	Default	Description
callbackId	int	— (required)	The unique ID of the callback whose queue entry to retrieve.

Response

Returns a CallBackQueueIDInfo object with the callback's current queue position and delivery status details.

{
  "success": true,
  "data": {
    "callbackId": 7001,
    "url": "https://app.example.com/webhooks/ecgrid",
    "event": "Parcel",
    "queuedAt": "2026-05-07T09:00:00Z",
    "lastAttempt": "2026-05-07T09:01:00Z",
    "attempts": 1,
    "status": "Active",
    "lastHttpStatus": 200
  }
}

Code Examples

cURL

curl -X GET "https://rest.ecgrid.io/v2/callbacks/get-queue-by-id?callbackId=$CALLBACK_ID" \
  -H "X-API-Key: $ECGRID_API_KEY"

C#

// .NET 10 — check the delivery queue status for a specific callback
using var client = httpClientFactory.CreateClient("ECGrid");

var response = await client.GetAsync($"/v2/callbacks/get-queue-by-id?callbackId={callbackId}");
response.EnsureSuccessStatusCode();

var result = await response.Content.ReadFromJsonAsync<ApiResponse<CallBackQueueIdInfo>>();
Console.WriteLine($"Callback {result.Data.CallbackId} — Status: {result.Data.Status}, Attempts: {result.Data.Attempts}, Last HTTP: {result.Data.LastHttpStatus}");

Java

import java.net.URI;
import java.net.http.*;

String apiKey = System.getenv("ECGRID_API_KEY");
String callbackId = "0"; // replace with actual callbackId

HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create(String.format("https://rest.ecgrid.io/v2/callbacks/get-queue-by-id?callbackId=%s", callbackId)))
    .header("X-API-Key", apiKey)
    .GET()
    .build();

HttpClient client = HttpClient.newHttpClient();
HttpResponse<String> response = client.send(
    request, HttpResponse.BodyHandlers.ofString());

System.out.println(response.body());

Node.js

const apiKey = process.env.ECGRID_API_KEY;
const url = `https://rest.ecgrid.io/v2/callbacks/get-queue-by-id?callbackId=${callbackId}`;

const response = await fetch(url, {
  method: 'GET',
  headers: { 'X-API-Key': apiKey },
});

const data = await response.json();
console.log(data);

Python

import os, requests

api_key = os.environ["ECGRID_API_KEY"]
headers = {"X-API-Key": api_key}
callback_id = 0  # replace with actual callback_id
url = f"https://rest.ecgrid.io/v2/callbacks/get-queue-by-id?callbackId={callback_id}"

response = requests.get(url, headers=headers)

response.raise_for_status()
print(response.json())

See Also

• Queue List
• Event List
• Get Event by ID
• Create Callback