* From
  • Specify one of your ExoPhone

  • 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

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): 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.

* EncodingType

Message type of SMS; plain or unicode

* Priority

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.

* StatusCallback

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)

* DltEntityId

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

Set a Custom Field relevant to your use case while sending an SMS. E.g Order ID, Payment ID, Login Attempt etc

Response Content Type