Exotel Developer Portal

This API will send SMSes to different numbers with different message content for each number. To send SMS through our API, you will need to make a HTTP POST request to

POST

https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend

If you’d prefer response in JSON format, just append .json at the end of the HTTP POST request.

Before you start sending transactional SMSes through this API, please test whether your content is matching a template. Otherwise, the SMS will end up becoming promotional.

The maximum number of elements in the `Messages` array of your bulk API would need to be<=100 (less than or equal to 100), to avoid an HTTP Error 400.

Replace <your_api_key> and <your_api_token> with the API key and token created by you.
Replace <your_sid> with your “Account sid”
Replace <subdomain> with the region of your account
1. <subdomain> of Singapore cluster is @api.exotel.com
2. <subdomain> of Mumbai cluster is @api.in.exotel.com

<your_api_key> , <your_api_token> and <your_sid> are available in the API settings page of your Exotel Dashboard

The following are the POST parameters:

Parameter Name	Mandatory/Optional	Value
From	Optional	Specify one of your ExoPhones For transactional SMSes, the SenderID (When you buy an ExoPhone, you will be asked to enter a 6-letter sender ID from which your SMSes will be sent. For Eg: LM-EXOTEL or LM-WEBDEV etc.) will be the one that corresponds to the ExoPhone For promotional SMSes, the SenderID will anyways be a generic numeric one (Ex: LM-123456) Will be used in cases where From is missing in Messages object If not set, default approved SENDER ID as per account will be used
Messages	Mandatory	Array of message objects, wherein each object contains parameters about individual SMS: To (Mandatory): Mobile number to which SMS has to be sent. Preferably in E.164 format. If not set, our system will try to match it with a country and route the SMS Body (Mandatory): Content of your SMS; Max Length of the body cannot exceed 2000 characters From (Optional): ExoPhone or approved SENDER ID. If not provided, will use outer From SmsType (Optional): Applicable only for SMS sent by Indian businesses to Indian destination numbers. For International entities, the step to add a Template on the Exotel dashboard is mandatory. This optional parameter can be used to skip template addition on Exotel Dashboard and configure SMS type based on the template registered on DLT in India. Possible values- transactional (OTP or Service Implicit content) transactional_opt_in (Service Explicit content) promotional (Promotional content with numeric header) If not set or incorrectly passed, Exotel will look up if content matches Templates added on Exotel for fetching SMS Type and DLT details. DltTemplateId (Optional): Applicable only for SMS sent by Indian businesses to Indian destination numbers. Content Template Id against the SMS body registered with DLT (Distributed Ledger Technology) portal of operators in India. (Learn More about DLT)
EncodingType	Optional	Message type of SMS; plain or unicode
ShortenUrl	Optional	Whether to shorten the URLs present in the SMS. Can be: "true" or "false". Please note that it is a chargeable feature and you can refer to Support article to understand more and get it enabled for your account.
ShortenUrlParams [Header]	Optional	Applicable only for SMS sent by Indian businesses to Indian destination numbers. Header that is part of the whitelisted Shortened URL on the DLT(Distributed Ledger Technology) platform of your choice. Please ensure that this is an exact match with the header that is part of the whitelisted URL to avoid message failure
ShortenUrlParams [CustomDomain]	Optional	Whether you want the short URL to start with default domain- exo.tl or you want to provide a custom domain of your own choice. If custom domain is not present or empty, we will use the default domain(exo.tl) If custom domain is given in the request it will be used to form the short URL Note : Clients will have to route the traffic on their custom domain to exo.tl domain, this is a change on your domain management system
ShortenUrlParams [Tracking]	Optional	Whether to track the URLs present in the SMS. Can be: "true" or "false". "ShortenUrl" needs to be "true" for Tracking to work. This feature is currently available to select customers. For early access, please fill this form.
ShortenUrlParams [ClickTrackingCallbackUrl]	Optional	Once someone clicks on the shortened URL, Exotel will do a POST callback to your end point if the URL is set as a parameter in the API. Below are the parameters: sid - The Sid (unique id) of the shortened URL short_url - The complete shortened URL short_code - Key of the shortened URL long_url - Original URL which is shortened Tracking - Whether to track the URLs present in the SMS custom_field - custom field passed in SMS API request String value Expires_at - Date Time in ISO format when link will expire Created_time - Date Time in ISO format when URL is created Last_viewed - Date Time in ISO format when link was visited last Total_clicks - count of total views of short url Account_sid - Exotel’s unique Account SID Country_code - Country code of the customer who received the SMS Date_created - Date Time in ISO format when link was created Sms_sid - The Sid (unique id) of the SMS, this SID can be used to track the SMS To - Contact number of the customer who clicked on the URL city - City where the shorten URL is clicked Country - Country code where shorten URL is clicked IP - IP address where shorten URL is clicked Postal code - Postal code where shorten URL is clicked Region - Region where shorten URL is clicked Accuracy radius - Aproximate accuracy radius where shorten URL is clicked OS_version - OS version of the customer who clicked the shorten URL OS_name - OS name of the customer who clicked the shorten URL Device_name - Device name of the customer who clicked the shorten URL Platform type - Platform where shorten URL is clicked
StatusCallback	Optional	After every SMS reaches terminal state (sent/failed/failed-dnd), Exotel will do a POST callback to your end point if the URL is set as a parameter in the API. Content-type for the POST callback is `application/x-www-form-urlencoded` Below are the parameters: SmsSid - The Sid (unique id) of the SMS that you got in response to your request To - Mobile number to which SMS was sent Status - one of: queued, sending, submitted, sent, failed-dnd, failed DetailedStatus - Human readable word that explains what happened to the message DetailedStatusCode - Exotel’s Detailed Status code corresponding to the DetailedStatus DateSent - The date on which the message was sent SmsUnits - The number of SMS units being sent CustomField - The custom field that was set in the POST request. (Will be returned only if it was set) This feature is currently available to select customers. For early access, please fill this form.
DltEntityId	Optional	Applicable only for SMS sent by Indian businesses to Indian destination numbers. Your Entity Id as registered on DLT (Distributed Ledger Technology) portal of operators in India. (Learn More about DLT)
CustomField	Optional	Set a Custom Field relevant to your use case while sending an SMS. E.g Order ID, Payment ID, Login Attempt etc
Priority	Optional	Priority of the SMS; normal or high. Priority=high parameter should only be used for OTP SMSes (Bank or Delivery). Using it for any other SMS may impact your delivery

curl -X POST https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend \
-d "From=0XXXXXX4890" \
-d "Messages[0][Body]=Hello World one" \
-d "Messages[0][To]=XXXXX30240" \
-d "Messages[1][Body]=Hello World two" \
-d "Messages[1][To]=XXXXX30241" \

var request = require('request');

var dataString = 'From=0XXXXXX4890&Messages[0][Body]=Hello World one&Messages[0][To]=XXXXX30240&Messages[1][Body]=Hello World two&Messages[1][To]=XXXXX30241';

var options = {
    url: 'https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend',
    method: 'POST',
    body: dataString
};

function callback(error, response, body) {
    if (!error && response.statusCode == 200) {
        console.log(body);
    }
}

request(options, callback);

<?php
include('vendor/rmccue/requests/library/Requests.php');
Requests::register_autoloader();
$headers = array();
$data = array(
    'From' => '0XXXXXX4890',
    'Messages' => array(array('To' => 'XXXXX30240', 'Body' => 'Hello World one'), array('To' => 'XXXXX30241', 'Body' => 'Hello World two')),
);
$response = Requests::post('https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend', $headers, $data);

import requests

data = {
  'From': '0XXXXXX4890',
  'Messages[0][Body]': 'Hello World one',
  'Messages[0][To]': 'XXXXX30240',
  'Messages[1][Body]': 'Hello World two',
  'Messages[1][To]': ' XXXXX30241'
}

requests.post('https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend', data=data)

require 'net/http'
require 'uri'

uri = URI.parse("https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend")
request = Net::HTTP::Post.new(uri)
request.body = "From=0XXXXXX4890&Messages[0][Body]=Hello World one&Messages[0][To]=XXXXX30240&Messages[1][Body]=Hello World two&Messages[1][To]=XXXXX30241"

req_options = {
  use_ssl: uri.scheme == "https",
}

response = Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
  http.request(request)
end

# response.code
# response.body

Example Request for using URL shortening & click tracking
cURL
NodeJS
PHP
Python
Ruby

curl -X POST https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend \
-d "From=0XXXXXX4890" \
-d "Messages[0][Body]=Hello World one" \
-d "Messages[0][To]=XXXXX30240" \
-d "Messages[1][Body]=Hello World two" \
-d "Messages[1][To]=XXXXX30241" \
-d "ShortenUrl=true" \ 
-d "ShortenUrlParams[Header]=EXOTEL"
-d "ShortenUrlParams[Tracking]=true"\ 
-d "ShortenUrlParams[ClickTrackingCallbackUrl]=https://www.google.co.in/"

var request = require('request');
var dataString = 'From=0XXXXXX4890&Messages[0][Body]=Hello World one&Messages[0][To]=XXXXX30240&Messages[1][Body]=Hello World two&Messages[1][To]=XXXXX30241&ShortenUrl=true&ShortenUrlParams[Header]=EXOTEL&ShortenUrlParams[Tracking]=true&ShortenUrlParams[ClickTrackingCallbackUrl]=https://www.google.co.in/';
var options = {
    url: 'https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend',
    method: 'POST',
    body: dataString
};
function callback(error, response, body) {
    if (!error && response.statusCode == 200) {
        console.log(body);
    }
}

request(options, callback);

<?php
include('vendor/rmccue/requests/library/Requests.php');
Requests::register_autoloader();
$headers = array();
$data = array(
    'From' => '0XXXXXX4890',
    'Messages' => array(array('To' => 'XXXXX30240', 'Body' => 'Hello World one'), array('To' => 'XXXXX30241', 'Body' => 'Hello World two')),
    'ShortenUrl' => 'true', 
    'ShortenUrlParams[Header]' => 'EXOTEL',
    'ShortenUrlParams[Tracking]' => 'true',
    'ShortenUrlParams[ClickTrackingCallbackUrl]' => 'https://www.google.co.in/
);
$response = Requests::post('https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend', $headers, $data);

import requests

data = {
  'From': '0XXXXXX4890',
  'Messages[0][Body]': 'Hello World one',
  'Messages[0][To]': 'XXXXX30240',
  'Messages[1][Body]': 'Hello World two',
  'Messages[1][To]': ' XXXXX30241', 
  'ShortenUrl' : 'true',
  'ShortenUrlParams[Header]' : 'EXOTEL',
  'ShortenUrlParams[Tracking]' : 'true', 
  'ShortenUrlParams[ClickTrackingCallbackUrl]' : 'https://www.google.co.in
}

requests.post('https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend', data=data)

require 'net/http'
require 'uri'

uri = URI.parse("https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend")
request = Net::HTTP::Post.new(uri)
request.body = "From=0XXXXXX4890&Messages[0][Body]=Hello World one&Messages[0][To]=XXXXX30240&Messages[1][Body]=Hello World two&Messages[1][To]=XXXXX30241&ShortenUrl=true&ShortenUrlParams[Header]=EXOTEL&ShortenUrlParams[Tracking]=true&ShortenUrlParams[ClickTrackingCallbackUrl]=https://www.google.co.in/"

req_options = {
  use_ssl: uri.scheme == "https",
}

response = Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
  http.request(request)
end
# response.code
# response.body

HTTP Response:

On success, the HTTP response status code will be 200
The Sid is the unique identifier of the SMS and it will be useful to log this for future debugging
the HTTP body will contain an XML similar to the one below

Example Response
JSON
XML

[
 {
    "SMSMessage": {
        "Sid": "0f477d60517e6e6a0f6d9a7e9af8630e",
        "AccountSid": "Exotel",
        "From": "0XXXXXX4890/WEBDEV",
        "To": "0XXXXX30240",
        "DateCreated": "2017-03-03 14:14:20",
        "DateUpdated": "2017-03-03 14:14:20",
        "DateSent": null,
        "Body": "Hello World one",
        "Direction": "outbound-api",
        "Uri": "/v1/Accounts/Exotel/SMS/Messages/0f477d60517e6e6a0f6d9a7e9af8630e.json",
        "ApiVersion": null,
        "Price": null,
        "Status": "queued",
        "DetailedStatusCode": 21010,
        "DetailedStatus": "PENDING_TO_OPERATOR", 
        "SmsUnits": null  
    }
 },
 {
    "SMSMessage": {
        "Sid": "1393e66deb633e7297bcfa9a9da0bb37",
        "AccountSid": "Exotel",
        "From": "0XXXXXX4890/WEBDEV",
        "To": "0XXXXX30241",
        "DateCreated": "2017-03-03 14:14:20",
        "DateUpdated": "2017-03-03 14:14:20",
        "DateSent": null,
        "Body": "Hello World two",
        "Direction": "outbound-api",
        "Uri": "/v1/Accounts/Exotel/SMS/Messages/1393e66deb633e7297bcfa9a9da0bb37.json",
        "ApiVersion": null,
        "Price": null,
        "Status": "queued",
        "DetailedStatusCode": 21010,
        "DetailedStatus": "PENDING_TO_OPERATOR",
        "SmsUnits": null     
    }        
 }
]

<?xml version="1.0" encoding="UTF-8"?>
<TwilioResponse>
 <SMSMessage>
  <Sid>0f477d60517e6e6a0f6d9a7e9af8630e</Sid>
  <AccountSid>Exotel</AccountSid>
  <From>0XXXXXX4890/WEBDEV</From>
  <To>XXXXX30240</To>
  <DateCreated>2017-03-03 14:14:20</DateCreated>
  <DateUpdated>2017-03-03 14:14:20</DateUpdated>
  <DateSent/>
  <Body>Hello World one</Body>
  <Direction>outbound-api</Direction>
  <Uri>/v1/Accounts/Exotel/SMS/Messages/0f477d60517e6e6a0f6d9a7e9af8630e</Uri>
  <ApiVersion/>
  <Price/>
  <Status>queued</Status>
  <DetailedStatusCode>21010</DetailedStatusCode>
  <DetailedStatus>PENDING_TO_OPERATOR</DetailedStatus>
  <SMSUnits/>
 </SMSMessage>
 <SMSMessage>
  <Sid>1393e66deb633e7297bcfa9a9da0bb37</Sid>
  <AccountSid>Exotel</AccountSid>
  <From>0XXXXXX4890/WEBDEV</From>
  <To>XXXXX30241</To>
  <DateCreated>2017-03-03 14:14:20</DateCreated>
  <DateUpdated>2017-03-03 14:14:20</DateUpdated>
  <DateSent/>
  <Body>Hello World two</Body>
  <Direction>outbound-api</Direction>
  <Uri>/v1/Accounts/Exotel/SMS/Messages/1393e66deb633e7297bcfa9a9da0bb37</Uri>
  <ApiVersion/>
  <Price/>
  <Status>queued</Status>
  <DetailedStatusCode>21010</DetailedStatusCode>
  <DetailedStatus>PENDING_TO_OPERATOR</DetailedStatus>
  <SMSUnits/>
 </SMSMessage>
</TwilioResponse>

curl -X POST https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend \
-d "From=0XXXXXX4890" \
-d "Messages[0][Body]=" \
-d "Messages[0][To]=XXXXX30240" \
-d "Messages[1][Body]=Hello World two" \
-d "Messages[1][To]=XXXXX30241" \

var request = require('request');

var dataString = 'From=0XXXXXX4890&Messages[0][Body]=&Messages[0][To]=XXXXX30240&Messages[1][Body]=Hello World two&Messages[1][To]=XXXXX30241';

var options = {
    url: 'https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend',
    method: 'POST',
    body: dataString
};

function callback(error, response, body) {
    if (!error && response.statusCode == 200) {
        console.log(body);
    }
}

request(options, callback);

<?php
include('vendor/rmccue/requests/library/Requests.php');
Requests::register_autoloader();
$headers = array();
$data = array(
    'From' => '0XXXXXX4890',
    'Messages' => array(array('To' => 'XXXXX30240', 'Body' => ''), array('To' => 'XXXXX30241', 'Body' => 'Hello World two')),
);
$response = Requests::post('https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend', $headers, $data);

import requests

data = {
  'From': '0XXXXXX4890',
  'Messages[0][Body]': '',
  'Messages[0][To]': 'XXXXX30240',
  'Messages[1][Body]': 'Hello World two',
  'Messages[1][To]': ' XXXXX30241'
}

requests.post('https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend', data=data)

require 'net/http'
require 'uri'

uri = URI.parse("https://<your_api_key>:<your_api_token><subdomain>/v1/Accounts/<your_sid>/Sms/bulksend")
request = Net::HTTP::Post.new(uri)
request.body = "From=0XXXXXX4890&Messages[0][Body]=&Messages[0][To]=XXXXX30240&Messages[1][Body]=Hello World two&Messages[1][To]=XXXXX30241"

req_options = {
  use_ssl: uri.scheme == "https",
}

response = Net::HTTP.start(uri.hostname, uri.port, req_options) do |http|
  http.request(request)
end

# response.code
# response.body

HTTP Response (Partial Success):

On partial success i.e. where some of the messages in the bulk request succeeded but others did not, the HTTP response status code will be 207
The Sid is the unique identifier of the SMS (this will be available only for accepted requests), it will be useful to log this for future debugging
The HTTP body will contain a JSON / XML similar to the one below

Example Response (Partial Success)
JSON
XML

[
    {
        "SMSMessage": {
            "Sid": null,
            "AccountSid": "Exotel",
            "From": null,
            "To": "0XXXXX30240",
            "DateCreated": null,
            "DateUpdated": null,
            "DateSent": null,
            "Body": "",
            "Direction": null,
            "Uri": null,
            "ApiVersion": null,
            "Price": null,
            "Status": "failed",
            "DetailedStatusCode": 23000,
            "DetailedStatus": "FAILED_MISSING_BODY"
            "SmsUnits": null
        }
    },
    {
        "SMSMessage": {
            "Sid": "1393e66deb633e7297bcfa9a9da0bb37",
            "AccountSid": "Exotel",
            "From": "0XXXXXX4890/WEBDEV",
            "To": "XXXXX30241",
            "DateCreated": "2017-03-03 14:14:20",
            "DateUpdated": "2017-03-03 14:14:20",
            "DateSent": null,
            "Body": "Hello World two",
            "Direction": "outbound-api",
            "Uri": "/v1/Accounts/exotel42us3/SMS/Messages/1393e66deb633e7297bcfa9a9da0bb37.json",
            "ApiVersion": null,
            "Price": null,
            "Status": "queued",
            "DetailedStatusCode": 21010,
            "DetailedStatus": "PENDING_TO_OPERATOR",
            "SmsUnits": null
        }
    }
]

<?xml version="1.0" encoding="UTF-8"?>
<TwilioResponse>
 <SMSMessage>
  <Sid/>
  <AccountSid>Exotel</AccountSid>
  <From/>
  <To>XXXXX30240</To>
  <DateCreated/>
  <DateUpdated/>
  <DateSent/>
  <Body></Body>
  <Direction/>
  <Uri/>
  <ApiVersion/>
  <Price/>
  <Status>failed</Status>
  <DetailedStatusCode>23000</DetailedStatusCode>
  <DetailedStatus>FAILED_MISSING_BODY</DetailedStatus>
  <SmsUnits/>
 </SMSMessage>
 <SMSMessage>
  <Sid>1393e66deb633e7297bcfa9a9da0bb37</Sid>
  <AccountSid>Exotel</AccountSid>
  <From>0XXXXXX4890/WEBDEV</From>
  <To>XXXXX30241</To>
  <DateCreated>2017-03-03 14:14:20</DateCreated>
  <DateUpdated>2017-03-03 14:14:20</DateUpdated>
  <DateSent/>
  <Body>Hello World!</Body>
  <Direction>outbound-api</Direction>
  <Uri>/v1/Accounts/Exotel/SMS/Messages/1393e66deb633e7297bcfa9a9da0bb37</Uri>
  <ApiVersion/>
  <Price/>
  <Status>queued</Status>
  <DetailedStatusCode>21010</DetailedStatusCode>
  <DetailedStatus>PENDING_TO_OPERATOR</DetailedStatus>
  <SmsUnits/>
 </SMSMessage>
</TwilioResponse>

Description of parameters mentioned in the above response:

Parameter Name	Type & Value
Sid	string; an alpha-numeric unique identifier of the SMS
AccountSid	String; Your account identifier
From	String; It is of format <VN>/<SenderID> where <VN> is your Exotel Virtual Number/ExoPhone through which you are sending the SMS. <SenderID> is the SenderID via which this SMS was sent
To	String; The mobile number(s) to which the SMS was sent
DateCreated	Time in format YYYY-MM-DD HH:mm:ss; The time when the SMS was received at our server
DateUpdated	Time in format YYYY-MM-DD HH:mm:ss; The time when any property of this SMS was last updated by our server
DateSent	Time in format YYYY-MM-DD HH:mm:ss; The time when the SMS was delivered to the recepient
Body	String; The body of the SMS message sent
Status	Can be of: queued - This means that the SMS you have sent has been queued internally for delivery sending - This means that we're in process of sending the SMS to upstream provider/gateway submitted - This means that the SMS you have sent has been submitted from our system to SMS Gateway sent - The SMS was successfully delivered to the handset failed-dnd - The delivery of the SMS failed because the number belongs to the TRAI NCPR list. This is applicable only for promotional SMS failed - The delivery of SMS failed. Please see DetailedStatusCode and DetailedStatus for further details.
DetailedStatus	Human readable word that explains what happened to the Message. Log these strings in your log files for grepping and debugging by a developer.
DetailedStatusCode	Exotel’s Detailed Status code corresponding to the DetailedStatus. Use this field to build decision making in your code.
Price	Double; If present, this will be the amount (in INR or USD) you have been charged for the SMS
Direction	incoming - incoming messages outbound-api - messages initiated via the REST API outbound-call - messages initiated during a call outbound-reply - messages initiated in response to an incoming message
Uri	Uri is the path of the SmsSid
SmsUnits	The number of SMS units being sent

Mapping and Description of status codes

Detailed Status Code	Nature of Detailed Status Code	Status	DetailedStatus	What it means
21010	Intermediate, may change in future	queued	PENDING_TO_OPERATOR	The message is is being processed by Exotel.
21015	Intermediate, may change in future	sending	SENDING_TO_OPERATOR	The message has been processed by Exotel and is en-route to the operator.
21020	Intermediate, may change in future	submitted	PENDING_ON_OPERATOR	The message has been successfully Submitted to the operator and is pending delivery. In India, Promotional SMS may be in this state if submitted outside permitted time (10AM to 9PM).
20005	Final	sent	DELIVERED_TO_HANDSET	We know with confidence that the message has been delivered to recipient's handset.
20006	Final	sent	DELIVERED_TO_OPERATOR	The message has been delivered to operator. In some regions and routes, handset delivery status (DELIVERED_TO_HANDSET) is not available and hence this is the best we can ever report about the delivery status.
23005	Final	failed-dnd	FAILED_REJECTED_DND	The message has been rejected as the end user is a subscriber of DND (Do Not Disturb) services.
23010	Final	failed	FAILED_INVALID_DESTINATION_NUMBER	The destination number is incorrect, not SMS-enabled or is a PSTN landline.
23015	Final	failed	FAILED_SPAM_DETECTED	One of the most common reasons for SMS delivery failure is carrier level spam filters. Carriers have added systems and algorithms that detect spam content and then block these messages. Unfortunately, these filters are hidden, subject to carrier preferences, vary from carrier to carrier, and can be changed without notice.
23020	Final	failed	FAILED_REJECTED_BLACKLIST	You tried to send a message to a blacklisted phone number. That is, the user has already sent a STOP/DND opt-out message and no longer wishes to receive messages from you.
24990	Final	failed	FAILED_UNKNOWN_ERROR	Delivering your message failed for reasons that are unknown to us and to our carriers. If you notice too many of these cases, please reach out to us.
23030	Final	failed	FAILED_UNAVAILABLE_ROUTE	The carrier and fallback carriers were not able to deliver the SMS message because no route was available.
23035	Final	failed	FAILED_SUBSCRIBER_UNAVAILABLE	This message was not delivered because subscriber was temporarily unavailable. For example, the receiving handset was out of coverage or switched off. This is a temporary failure, but a message sent to the same subscriber at a later point in time may get delivered.
23040	Final	failed	FAILED_SUBSCRIBER_UNKNOWN	Subscriber is unknown to the operators or no longer active.
23050	Final	failed	FAILED_EXPIRED	The message was sent to the operator and may have been retried several times within the default network SMS expiration duration. The message request has now expired.
23060	Final	failed	FAILED_REJECTED	For a number of reasons, the message was rejected by Exotel or the operator.
24105	Final	failed	FAILED_HANDSET_ERROR	The message was not delivered to the subscriber due to handset failure
24110	Final	failed	FAILED_OPERATOR_ERROR	The message failed due to an issue at the operator end
23070	Final	failed	FAILED_INVALID_MESSAGE	The message was rejected by the operator as Invalid. While Exotel will automatically split messages longer than 160 GSM 7-bit characters, or 70 unicode 16-bit characters into multipart SMS, Messages exceeding the allowed character limit of 2000 characters may also end in this state. Any request error related to the message, say unindentified character, may also fall under this bucket. In India, if DLT related parameters are not set like Entity ID, your SMS may fail with this error code.
23072	Final	failed	FAILED_INVALID_SENDER_ID	The message failed due to invalid or unregistered Sender ID. In case of India, if your Sender ID (header) is not registered with operator DLT platform, you may receive this error.
24010	Final	failed	FAILED_SYSTEM_ERROR	SMS failed while processing within Exotel system.
24120	Final	failed	FAILED_SUBSCRIBER_ERROR	All subscriber or recipeient issues that are unrelated to the handset (For ex - Receiver does not have enough mobile balance to receive the SMS) may fall under this bucket.
23080	Final	failed	SENDER_BLOCKED_BY_DLT	Applicable only for SMSes sent to Indian destination numbers via domestic lines. Sender ID (Header) is blocked or failed at DLT platform by the operator due to mismatch, non-registration, template not linked with Sender (header) etc. *This DetailedStatus will reflect in API from 17th May 2021
23081	Final	failed	ENTITY_BLOCKED_BY_DLT	Applicable only for SMSes sent to Indian destination numbers via domestic lines. Entity (DLT Entity ID) is blocked or failed at DLT platform by the operator due to DLT Entity ID not passed in API or configured on Exotel Dashboard, values are mismatching etc. *This DetailedStatus will reflect in API from 17th May 2021
23082	Final	failed	TEMPLATE_BLOCKED_BY_DLT	Applicable only for SMSes sent to Indian destination numbers via domestic lines. Template (Template ID) is blocked or failed at DLT due to Template ID not set in API or configured on Exotel Dashboard, content is not exactly matching, non-registeration of the template etc. *This DetailedStatus will reflect in API from 17th May 2021
23083	Final	failed	FAILED_DLT_SCRUBBING_ERROR	Applicable only for SMSes sent to Indian destination numbers via domestic lines. SMS is blocked or failed at DLT even after registration due to explicit blocking of the Sender ID due to spam, issues with consent or any other technical issues with DLT platform. *This DetailedStatus will reflect in API from 17th May 2021
23181	Final	failed	DLT_TEMPLATE_ID_INVALID	Applicable only for SMS sent to Indian destination numbers via domestic lines. This Template is invalid. Some operators may report this error as 23182: DLT_TEMPLATE_NOT_FOUND
23182	Final	failed	DLT_TEMPLATE_NOT_FOUND	Applicable only for SMS sent to Indian destination numbers via domestic lines. This Template was not found.
23183	Final	failed	DLT_TEMPLATE_ID_INACTIVE	Applicable only for SMS sent to Indian destination numbers via domestic lines. This Template is inactive.
23184	Final	failed	DLT_TEMPLATE_ID_BLACKLISTED	Applicable only for SMS sent to Indian destination numbers via domestic lines. This Template has been blacklisted. This may happen due to users reporting this message.
23185	Final	failed	DLT_TEMPLATE_DOES_NOT_MATCH	Applicable only for SMS sent to Indian destination numbers via domestic lines. The message body does not match the Template on the DLT portal.
23186	Final	failed	DLT_LENGTH_EXCEEDED	Applicable only for SMS sent to Indian destination numbers via domestic lines. The message has exceeded the maximum allowed length of 2000 characters. Some operators may report this error as 23185: DLT_TEMPLATE_DOES_NOT_MATCH
23281	Final	failed	DLT_ENTITY_NOT_FOUND	Applicable only for SMS sent to Indian destination numbers via domestic lines. The ENTITY_ID was not found on the DLT portal. Some operators may report this error as 23081: ENTITY_BLOCKED_BY DLT.

In case your SMS body contains special characters (like -, &, % etc), URL-encode the text

In case EncodingType is not set, then it will auto detect the encoding type of SMS, whether it is plain or unicode

DetailedStatusCode in the range of 23084-24000 are reserved for future and can be expanded for any other detailed status scenario related to SMS.

Mapping and Description of HTTP API Error Codes in the API response

POST (/send, /bulksend) API error codes:

Scenario	HTTP Error Code	API Error code	Error message
If your trial account is being used to send promotional SMS	403	40000	Not allowed to send promotional SMS(s).
If account is trial and KYC not completed, and one of the following occurs: - Number not whitelisted - It is whitelisted but is not of type agent-whitelist	403	340030	Your account is not yet KYC compliant;
If there is insufficient balance in your account	403	40001	Insufficient balance to send $n sms. Please recharge your account.
If account is not configured to send SMSes to the recipient country.	403	40003	Your account is not configured to send SMSes to this country. Please write to hello@exotel.com to update the setup.
If yours is a trial account with incomplete KYC and has a whitelisting error. Email hello@exotel.com for more details.	500	35000	Internal Server Error
Exotel internal error code related to processing. Email hello@exotel.com for more details.	500	40100	Error Processing Request
Message body for single send is invalid on account of it being empty/missing	400	40200	Message body cannot be empty.
Message body for bulk send is invalid on account of it being empty/missing	400	40201	Invalid parameters: Messages is a mandatory field
Invalid (Array) message body	400	40202	Message body is invalid.
If all destination numbers are invalid	400	40203	All the destination numbers are invalid: $number
Invalid SMS type parameter in request	400	40204	Invalid parameters: SmsType is not set correctly
Invalid (Empty) From parameter in request	400	40205	Empty From field in the request
From parameter does not match SMS type	400	40206	Invalid parameters: From format is not matching with the SmsType
Request parameter passed as array and not as a string	400	40207	Array passed as Value in params. Expecting String
Invalid (Non-array) messages parameter	400	40208	Invalid parameters: Messages has to be an array
Invalid encoding type parameter in SMS request	400	40209	Encoding type is not properly set. Please check the encoding type again before sending the request for Msg=[$body]
Missing FROM parameter in SMS request	400	40210	Invalid parameters: From is a mandatory field
If all the below conditions are true: - SMS type is promotional - It is an Indian account - Promotional sender ID is not found (contact hello@exotel.com)	400	40300	No transactional template found and no numeric sender ID exists in your account for sending it as promotional
If your sender ID is not found This is specific to international accounts and SMS type is not promotional	400	40301	No transactional sender ID found in your account
More than 100 SMSs in a dynamic bulk request	400	40400	Not more than 100 SMSs are allowed in one API request.
If your account has sent POST requests higher than the maximum limit feasible	429	40402	Too many POST requests.
In the trial phase, if your account exceeds the max. SMS limit	429	40404	Please note that you can send only 10 SMS from your account during the trial phase.
Throttle limit has been exceeded (Update to existing error code)	503	35006 -> 40405	Service Unavailable
More than 100 SMSs in a static bulk request	400	40406	Not more than 100 SMSs are allowed in one API request.
POST API call to an unrecognized SMS endpoint. eg: v1/Accounts/<account-sid>/Sms/<invalid-parameter>	405	40502	This method is not supported

POST (/send, /bulksend) and /GET (/sms) error codes:

Scenario	HTTP Error Code	API Error code	Error message
If your account is inactive	403	40002	Account inactive.
Api call to v1/Accounts/exotel42us3/Sms	400	40500	Invalid Parameters
Unsupported API version	400		Exotel API Version $version not supported. Contact Exotel for details.
Accounts missing from URL	400		/Accounts/ missing from URL
Account sid missing from URL	403	34009	Action forbidden on given resource;
Auth key or auth token missing	401		Authentication is required to view this page.
Invalid auth key or auth token	401	34010	Unauthorized;
Invalid Account sid or any resource or action is missing or invalid	403	34009	Action forbidden on given resource;
Non alpha-numeric auth key or token	400	34001	Bad or missing parameters in request.;

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