The fax notify intake endpoint accepts documents from fax systems that are capable of delivering to a REST API endpoint.
The endpoint accepts a series of named metadata values follows by a single file containing the incoming document.
Request Details
To submit a document to the platform via the fax notify endpoint, construct an HTTP POST request with the multipart form data content type, and the content sections described below:
Name | Location | Sample Value & Description |
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faxMessageId | Content Section | bbe58db7-b3f3-461a-9c47-5b803586cc53 A source message identifier that is generated by the originating system. The Source message identifier will be created if one is not passed in. (Optional) |
messageType | Content Section | Inbound Indicates the type of fax document being submitted. Must be one of: Inbound or Outbound |
attachmentName | Content Section | bbe58db7-b3f3-461a-9c47-5b803586cc53.tif Logical file name for the document being submitted. (Optional) |
faxSenderCSID | Content Section | Test User (123-555-1212) Fax CSID value for the sender (Optional) |
callerNumber | Content Section | 1-123-555-1212 The fax number for the sender |
calledNumber | Content Section | 1-123-555-6789 The fax number for the recipient |
faxReceivedDateTime | Content Section | 10/07/2018 10:45:21 AM or 2018-10-07T10:45:21-06:00 The date/time when the fax was received by the source fax system |
faxRecipientTimeZone | Content Section | (GMT-06:00) Central Time (US & Canada) The timezone corresponding to the fax received date/time value, in Windows format (Optional, when fax date/time is in ISO8601 format) |
faxPages | Content Section | 1 The number of pages contained in the fax file |
faxResolution | Content Section | 1 A number indicating the resolution of the fax file (Optional, source system specific) |
attachmentCount | Content Section | 1 The number of attachment files processed by the fax system (Optional, source system specific) |
faxSpeed | Content Section | 9600 A number indicating the transmission speed of the fax (Optional, source system specific) |
account | Content Section | 12345 The NEXTSTEP user account number used for authentication This will be provided by Concord Customer Success team |
authUser | Content Section | 12345-6789-1212-12345-0001 The API key for the provided NEXTSTEP user account This will be provided by Concord Customer Success team |
file | Content Section | <binary file data> The bytes representing the raw file content for the fax file |
Example
An example HTTP POST request for the intake API (in raw text format) is provided below:
Example | ![]() |
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POST /api/intake/fax-notify HTTP/1.1 Host: https://nsapi.concord.net Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW Content-Disposition: form-data; name="FaxMessageId" bbe58db7-b3f3-461a-9c47-5b803586cc53 Content-Disposition: form-data; name="MessageType" Inbound Content-Disposition: form-data; name="AttachmentName" bbe58db7-b3f3-461a-9c47-5b803586cc53.tif Content-Disposition: form-data; name="FaxSenderCSID" Test User (123-555-1212) Content-Disposition: form-data; name="CallerNumber" 1-123-555-1212 Content-Disposition: form-data; name="CalledNumber" 1-123-555-6789 Content-Disposition: form-data; name="FaxReceivedDateTime" 10/07/2018 10:45:21 AM Content-Disposition: form-data; name="FaxRecipientTimeZone" (GMT-06:00) Central Time (US & Canada) Content-Disposition: form-data; name="FaxPages" 1 Content-Disposition: form-data; name="FaxResolution" 1 Content-Disposition: form-data; name="FaxSpeed" 2 Content-Disposition: form-data; name="AttachmentCount" 1 Content-Disposition: form-data; name="Account" 12345 Content-Disposition: form-data; name="AuthUser" 12345-6789-1212-12345-0001 Content-Disposition: form-data; name="File"; filename="bbe58db7-b3f3-461a-9c47-5b803586cc53.tif" Content-Type: file <binary file data> ------WebKitFormBoundary7MA4YWxkTrZu0gW-- |
Postman
A Postman sample script is provided below:
Postman sample | ![]() |
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{ "info": { "_postman_id": "b86d8ef9-2a8e-4b43-a8bd-7c9f2272c56f", "name": "NEXTSTEP API Samples", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json" }, "item": [ { "name": "Document Delivery - Fax Notify", "request": { "method": "POST", "header": [], "body": { "mode": "formdata", "formdata": [ { "key": "FaxMessageId", "value": "bbe58db7-b3f3-461a-9c47-5b803586cc53", "type": "default" }, { "key": "MessageType", "value": "Inbound", "type": "default" }, { "key": "AttachmentName", "value": "Test Fax.pdf", "type": "default" }, { "key": "FaxSenderCSID", "value": "Test User (123-555-1212)", "type": "default" }, { "key": "CallerNumber", "value": "1-123-555-1212", "type": "default" }, { "key": "CalledNumber", "value": "1-123-555-6789", "type": "default" }, { "key": "FaxReceivedDateTime", "value": "10/07/2018 10:45:21 AM", "type": "default" }, { "key": "FaxRecipientTimeZone", "value": "(GMT-06:00) Central Time (US & Canada)", "type": "default" }, { "key": "FaxPages", "value": "1", "type": "default" }, { "key": "FaxResolution", "value": "1", "type": "default" }, { "key": "FaxSpeed", "value": "9600", "type": "default" }, { "key": "AttachmentCount", "value": "1", "type": "default" }, { "key": "Account", "value": "12345", "type": "default" }, { "key": "AuthUser", "value": "12345-6789-1212-12345-0001", "type": "default" }, { "key": "File", "type": "file", "src": "/C:/Sample Documents/Test Fax.pdf" } ] }, "url": { "raw": "https://nsapi.concord.net/api/intake/fax-notify", "protocol": "https", "host": [ "nsapi", "concord", "net" ], "path": [ "api", "intake", "fax-notify" ] } }, "response": [] } ] } |
.NET/C# Sample
A .NET/C# sample is provided below:
C# sample | ![]() |
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private static void DocumentIntakeFaxNotify() { // The URL to the NEXTSTEP API const string NextstepApiEndpoint = @"https://nsapi.concord.net/"; // The NEXTSTEP API User/Key values. You may need to contact Concord support to have them generate these for you. const string NextstepApiUser = @"12345"; const string NextstepApiKey = @"12345-6789-1212-12345-0001"; // Trim any trailing slash from the NEXTSTEP API endpoint string faxNotifyUrl = NextstepApiEndpoint.TrimEnd("/".ToCharArray()); // Add the fax notify path to the NEXTSTEP API URL faxNotifyUrl = $"{faxNotifyUrl}/api/intake/fax-notify"; // Create our multi-part form data object MultipartFormDataContent content = new MultipartFormDataContent(); // Specify the properties we'll use for this request content.Add(new StringContent(@"bbe58db7-b3f3-461a-9c47-5b803586cc53"), @"FaxMessageId"); content.Add(new StringContent(@"Inbound"), @"MessageType"); content.Add(new StringContent(@"Test Fax.pdf"), @"AttachmentName"); content.Add(new StringContent(@"Test User (123-555-1212)"), @"FaxSenderCSID"); content.Add(new StringContent(@"1-123-555-1212"), @"CallerNumber"); content.Add(new StringContent(@"1-123-555-6789"), @"CalledNumber"); content.Add(new StringContent(@"10/07/2018 10:45:21 AM"), @"FaxReceivedDateTime"); content.Add(new StringContent(@"(GMT-06:00) Central Time (US & Canada)"), @"FaxRecipientTimeZone"); content.Add(new StringContent(@"1"), @"FaxPages"); content.Add(new StringContent(@"1"), @"FaxResolution"); content.Add(new StringContent(@"9600"), @"FaxSpeed"); content.Add(new StringContent(@"2"), @"AttachmentCount"); content.Add(new StringContent(NextstepApiUser), @"Account"); content.Add(new StringContent(NextstepApiKey), @"AuthUser"); // Add a PDF file to the request byte[] fileBytes = File.ReadAllBytes(@".\Test Fax.pdf"); ByteArrayContent fileByteArray = new ByteArrayContent(fileBytes); fileByteArray.Headers.ContentType = MediaTypeHeaderValue.Parse(@"application/pdf"); content.Add(fileByteArray, "\"file\"", $"\"Test Fax.pdf\""); try { using (HttpClient client = new HttpClient()) { client.BaseAddress = new Uri(faxNotifyUrl); HttpResponseMessage response = client.PostAsync(faxNotifyUrl, content).Result; string result = response.Content.ReadAsStringAsync().Result; } } catch (Exception ex) { // Just outputting the exception details, this exception would normally be handled differently Console.WriteLine($"EXCEPTION: {ex.Message}"); } } |