In order to successfully use this endpoint the logged in user must be a Mimecast administrator with at least the Gateway | Tracking | Read  permission. 
 
To use this endpoint you send a POST request to:
/api/message-finder/search 
 
Request Headers 
The following request headers must be included in your request:
Field Description  
Authorization 
Please see the Authorization  guide for more information on building the Authorization header. 
 
x-mc-req-id 
A randomly generated GUID, for example,
8578FCFC-A305-4D9A-99CB-F4D5ECEFE297 
 
x-mc-app-id 
The Application ID provided with your Registered API Application. 
 
x-mc-date 
The current date and time in the following format, for example,
Tue, 24 Nov 2015 12:50:11 UTC 
 
 
{
 "data": [
  {
   "start": "Date String", 
   "end": "Date String", 
   "searchReason": "String", 
   "advancedTrackAndTraceOptions": {
    "senderIP": "String", 
    "to": "String", 
    "from": "String", 
    "subject": "String",
    "route": "String"
   }, 
   "messageId": "String"
  }
 ]
}data 
Field Type Required Description  
searchReason 
String 
Optional 
Reason for Tracking a email, used for activity tracking puposes. 
 
start 
Date String 
Optional 
The date and time of the earliest message to track, in the following format, 2011-12-03T10:15:30+0000 
 
end 
Date String 
Optional 
The date and time of the latest message to track, in the following format, 2011-12-03T10:15:30+0000 
 
messageId 
String 
Optional 
The internet message id of the message to track. 
 
advancedTrackAndTraceOptions 
Object 
Optional 
An object describing the advanced filters to use in the tracking query. 
 
route 
Array of Strings 
Optional 
An array of routes to filter by. Possible values are internal, outbound and inbound. 
 
 
Advanced Track and trace Options Object 
Field Type Required Description  
from 
String 
Optional 
The sending email address or domain of the messages to track. 
 
to 
String 
Optional 
The recipient email address or domain of the messages to track. 
 
subject 
String 
Optional 
The subject of the messages to track. 
 
senderIP 
String 
Optional 
The source IP address of messages to track. 
 
 
{
 "fail": [], 
 "meta": {
  "status": 200
 }, 
 "data": [
  {
   "trackedEmails": [
    {
     "status": "String", 
     "received": "String", 
     "fromEnv": {
      "displayableName": "String", 
      "emailAddress": "String"
     },
     "fromHdr": {
      "displayableName": "String", 
      "emailAddress": "String"
     },
     "attachments": true, 
     "to": [
      {
       "displayableName": "String", 
       "emailAddress": "String"
      }
     ], 
     "senderIP": "String", 
     "route": "String", 
     "id": "String", 
     "sent": "String", 
     "subject": "String"
    }
   ]
  }
 ]
}meta object 
Field Type Description  
status 
Number 
The function level status of the request. 
 
 
data 
Field Type Description  
trackedEmails 
Array 
An array of tracked email objects 
 
 
Tracked Emails Object 
fromHdrSender ObjectAn object describing the envelope from address of the message.
Field Type Description  
status 
String 
The status of the message. 
 
received 
Date String 
The date and time the message was received by Mimecast. 
 
attachments 
Boolean 
If the message has attachments. 
 
route 
String 
The route of the message. 
 
to 
Array 
An array of recipient objects. 
 
fromEnv 
Sender Object 
An object describing the envelope from address of the message. 
 
senderIP 
String 
The source IP address of the message. 
 
id 
String 
The Mimecast ID of the message. Used to load more information about the message. 
 
sent 
Date String 
The date and time that the message was sent / processed by Mimecast. 
 
subject 
String 
The subject of the message. 
 
 
Recipient Object 
Field Type Description  
emailAddress 
String 
The email address of the recipient. 
 
displayableName 
String 
The display name of the recipient. 
 
 
Sender Object 
Field Type Description  
emailAddress 
String 
The email address of the sender. 
 
displayableName 
String 
The display name of the sender. 
 
 
Sample code is provided to demonstrate how to use the API and is not representative of a production application. To use the sample code; complete the required variables as described, populate the desired values in the request body, and execute in your favorite IDE.  Please see the Global Base URL's  page to find the correct base URL to use for your account.
HTTP  Python  C#  PowerShell  Java 
POST {base_url}/api/message-finder/search
Authorization: MC {accesskKey}:{Base64 encoded signed Data To Sign}
x-mc-date: {dateTime}
x-mc-req-id: {unique id}
x-mc-app-id: {applicationId}
Content-Type: application/json
Accept: application/json
{
  "data":[
    {
        "searchReason": "String",
        "start": "Date String",
        "end": "Date String",
        "messageId": "String",
        "route": "String"
        "advancedTrackAndTraceOptions": {
            "from": "String",
            "to": "String",
            "subject": "String",
            "senderIP": "String",
        }
    }
  ]
}
 
import base64
import hashlib
import hmac
import uuid
import datetime
import requests
# Setup required variables
base_url = "https://xx-api.mimecast.com"
uri = "/api/message-finder/search"
url = base_url + uri
access_key = "YOUR ACCESS KEY"
secret_key = "YOUR SECRET KEY"
app_id = "YOUR APPLICATION ID"
app_key = "YOUR APPLICATION KEY"
# Generate request header values
request_id = str(uuid.uuid4())
hdr_date = datetime.datetime.utcnow().strftime("%a, %d %b %Y %H:%M:%S") + " UTC"
# DataToSign is used in hmac_sha1
dataToSign = ':'.join([hdr_date, request_id, uri, app_key])
# Create the HMAC SHA1 of the Base64 decoded secret key for the Authorization header
hmac_sha1 = hmac.new(base64.b64decode(secret_key), dataToSign.encode(), digestmod=hashlib.sha1).digest()
# Use the HMAC SHA1 value to sign the hdrDate + ":" requestId + ":" + URI + ":" + appkey
sig = base64.b64encode(hmac_sha1).rstrip()
# Create request headers
headers = {
    'Authorization': 'MC ' + access_key + ':' + sig.decode(),
    'x-mc-app-id': app_id,
    'x-mc-date': hdr_date,
    'x-mc-req-id': request_id,
    'Content-Type': 'application/json'
}
payload = {
        'data': [
            {
                'searchReason': 'String',
                'start': 'Date String',
                'end': 'Date String',
                'messageId': 'String',
                'route': 'String',
                'advancedTrackAndTraceOptions': {
                    'from': 'String',
                    'to': 'String',
                    'subject': 'String',
                    'senderIP': 'String'
                }
            }
        ]
    }
r = requests.post(url=url, headers=headers, data=str(payload))
print(r.text) 
static void Main(string[] args)
        {
            //Setup required variables
            string baseUrl = "https://xx-api.mimecast.com";
            string uri = "/api/message-finder/search";
            string accessKey = "YOUR ACCESS KEY";
            string secretKey = "YOUR SECRET KEY";
            string appId = "YOUR APPLICATION ID";
            string appKey = "YOUR APPLICATION KEY";
            //Generate request header values
            string hdrDate = System.DateTime.Now.ToUniversalTime().ToString("R");
            string requestId = System.Guid.NewGuid().ToString();
            //Create the HMAC SHA1 of the Base64 decoded secret key for the Authorization header
            System.Security.Cryptography.HMAC h = new System.Security.Cryptography.HMACSHA1(System.Convert.FromBase64String(secretKey));
            //Use the HMAC SHA1 value to sign the hdrDate + ":" requestId + ":" + URI + ":" + appkey
            byte[] hash = h.ComputeHash(System.Text.Encoding.Default.GetBytes(hdrDate + ":" + requestId + ":" + uri + ":" + appKey));
            //Build the signature to be included in the Authorization header in your request
            string signature = "MC " + accessKey + ":" + System.Convert.ToBase64String(hash);
            //Build Request
            System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(baseUrl + uri);
            request.Method = "POST";
            request.ContentType = "application/json";
            //Add Headers
            request.Headers[System.Net.HttpRequestHeader.Authorization] = signature;
            request.Headers.Add("x-mc-date", hdrDate);
            request.Headers.Add("x-mc-req-id", requestId);
            request.Headers.Add("x-mc-app-id", appId);
            //Add request body
            //Create and write data to stream
            string postData = @"{
                    ""data"": [
                        {
                            ""searchReason"": ""String"",
                            ""start"": ""Date String"",
                            ""end"": ""Date String"",
                            ""messageId"": ""String"",
                            ""route"": ""String"",
                            ""advancedTrackAndTraceOptions"": {
                                ""from"": ""String"",
                                ""to"": ""String"",
                                ""subject"": ""String"",
                                ""senderIP"": ""String""
                            }
                        }
                    ]
                }";
            byte[] payload = System.Text.Encoding.UTF8.GetBytes(postData);
            System.IO.Stream stream = request.GetRequestStream();
            stream.Write(payload, 0, payload.Length);
            stream.Close();
            //Send Request
            System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
            //Output response to console
            System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream());
            string responseBody = "";
            string temp = null;
            while ((temp = reader.ReadLine()) != null)
            {
                responseBody += temp;
            };
            System.Console.WriteLine(responseBody);
            System.Console.ReadLine();
        } 
#Setup required variables
$baseUrl = "https://xx-api.mimecast.com"
$uri = "/api/message-finder/search"
$url = $baseUrl + $uri
$accessKey = "YOUR ACCESS KEY"
$secretKey = "YOUR SECRET KEY"
$appId = "YOUR APPLICATION ID"
$appKey = "YOUR APPLICATION KEY"
#Generate request header values
$hdrDate = (Get-Date).ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss UTC")
$requestId = [guid]::NewGuid().guid
#Create the HMAC SHA1 of the Base64 decoded secret key for the Authorization header
$sha = New-Object System.Security.Cryptography.HMACSHA1
$sha.key = [Convert]::FromBase64String($secretKey)
$sig = $sha.ComputeHash([Text.Encoding]::UTF8.GetBytes($hdrDate + ":" + $requestId + ":" + $uri + ":" + $appKey))
$sig = [Convert]::ToBase64String($sig)
#Create Headers
$headers = @{"Authorization" = "MC " + $accessKey + ":" + $sig;
                "x-mc-date" = $hdrDate;
                "x-mc-app-id" = $appId;
                "x-mc-req-id" = $requestId;
                "Content-Type" = "application/json"}
#Create post body
$postBody = "{
                    ""data"": [
                        {
                            ""searchReason"": ""String"",
                            ""start"": ""Date String"",
                            ""end"": ""Date String"",
                            ""messageId"": ""String"",
                            ""route"": ""String"",
                            ""advancedTrackAndTraceOptions"": {
                                ""from"": ""String"",
                                ""to"": ""String"",
                                ""subject"": ""String"",
                                ""senderIP"": ""String""
                            }
                        }
                    ]
                }"
#Send Request
$response = Invoke-RestMethod -Method Post -Headers $headers -Body $postBody -Uri $url
#Print the response
$response 
public static void main(String[] args) throws java.io.IOException, java.security.NoSuchAlgorithmException, java.security.InvalidKeyException {
        //set up variables for request
        String baseUrl = "https://xx-api.mimecast.com";
        String uri = "/api/message-finder/search";
        String url = "https://" + baseUrl + uri;
        String accessKey = "YOUR ACCESS KEY";
        String secretKey = "YOUR SECRET KEY";
        String appId = "YOUR APPLICATION ID";
        String appKey = "YOUR APPLICATION KEY";
        //create URL object
        java.net.URL obj = new java.net.URL(url);
        // set guid for x-mc-req-id header
        String guid = java.util.UUID.randomUUID().toString();
        // set date for x-mc-date header
        java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss z");
        sdf.setTimeZone(java.util.TimeZone.getTimeZone("UTC"));
        String date = sdf.format(new java.util.Date());
        //create signature for the Authorization header
        String dataToSign = date + ":" + guid + ":" + uri + ":" + appKey;
        String hmacSHA1 = "HmacSHA1";
        javax.crypto.spec.SecretKeySpec signingKey = new javax.crypto.spec.SecretKeySpec(org.apache.commons.codec.binary.Base64.decodeBase64(secretKey.getBytes()), hmacSHA1);
        javax.crypto.Mac mac = javax.crypto.Mac.getInstance(hmacSHA1);
        mac.init(signingKey);
        String sig = new String(org.apache.commons.codec.binary.Base64.encodeBase64(mac.doFinal(dataToSign.getBytes())));
        // create request object
        javax.net.ssl.HttpsURLConnection con = (javax.net.ssl.HttpsURLConnection) obj.openConnection();
        //set request type to POST
        con.setRequestMethod("POST");
        con.setDoOutput(true);
        //add reuqest headers
        con.setRequestProperty("Authorization", "MC " + accessKey + ":" + sig);
        con.setRequestProperty("x-mc-req-id", guid);
        con.setRequestProperty("x-mc-app-id", appId);
        con.setRequestProperty("x-mc-date", date);
        con.setRequestProperty("Content-Type", "application/json");
        con.setRequestProperty("Accept", "application/json");
        //Add post body to the request
        String postBody = "{\n" +
        " \"data\": [\n" +
        "     {\n" +
        "         \"searchReason\": \"String\",\n" +
        "         \"start\": \"Date String\",\n" +
        "         \"end\": \"Date String\",\n" +
        "         \"messageId\": \"String\",\n" +
        "         \"route\": \"String\",\n" +
        "         \"advancedTrackAndTraceOptions\": {\n" +
        "              \"from\": \"String\",\n" +
        "              \"to\": \"String\",\n" +
        "              \"subject\": \"String\",\n" +
        "              \"senderIP\": \"String\"\n" +
        "              }\n" +
        "     }\n" +
        " ]\n" +
        "}";
        java.io.OutputStream os = con.getOutputStream();
        os.write(postBody.getBytes("UTF-8"));
        os.close();
        //process response
        java.io.BufferedReader in = new java.io.BufferedReader(
                new java.io.InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        //return result
        java.lang.System.out.println(response.toString());
    }