BSG OTP API Developer Docs: API Documentation, Libraries, Tutorials, and Integration

OTP API

This method allows to generate and send a one-time authentication password for your service via SMS.

To send OTP, make a request to this URL:

POST https://api.bsg.world/rest/sms/create

Request parameters:

Parameter	Required	Type	Description
destination	Yes	string	Set to “otp”.
originator	Yes	string	The name of the SMS sender. A string of up to 14 characters.
body	Yes	string	SMS message text. The text must contain a variable in the form {gen_otp_09,4}, where: {gen_otp_09,9} – generation of a numeric code using values from 0 to 9, 9 characters long {gen_otp_az,9} – generation of an alphabetic code using values from a to z, using only lower case, 9 characters long {gen_otp_aZ,9} – generation of letter code using values from a to z using upper and lower case, 9 characters long {gen_otp_AZ,9} – generation of an alphabetic code using values from a to z using only upper case, 9 characters long {gen_otp_a9,9} – generation of an alphanumeric code using values from a to 9 using upper and lower case, 9 characters long {gen_otp_**,9} – generation of an alphanumeric code using special characters, including, in addition to numbers, the letters of different cases, 9 characters long. The number after the comma specifies the exact number of characters in the verification code. For example, “Your authorization code: {gen_otp_09,4}” is a 4-digit digital code.
msisdn	Yes	string	The phone number to which the SMS is sent.
reference	No	string	SMS external ID. A string of up to 32 characters containing /a-zA-Z0-9/

Request example:

{
    "originator": "testsms",
    "destination": "otp",
    "body": "Your code to log into the app: {gen_otp_09,4}",
    "msisdn": "85267202829",
    "reference": "SendSMS11062021_20"
}

Response parameters:

Parameter	Type	Description
id	integer	SMS ID
reference	string	external ID
price	float	SMS price
currency	string	The currency of the account, in which the cost of the message is specified.
otp_code	string	OTP code generated by the BSG system.

If request is successful, you will receive a response:

{
    "result": {
        "error": 0,
        "errorDescription": "No errors",
        "reference": "SendSMS11062021_21",
        "id": "1979094456",
        "price": 0,
        "currency": "EUR",
        "otp_code": "4718"
    }
}