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Merchant Integration Documentation(Backend PHP Auth SDK)

A. OTPLessAuth Dependency

install Below dependency in your project's

composer require otpless/otpless-auth-sdk

you can also get latest version of dependency at https://packagist.org/packages/otpless/otpless-auth-sdk

B. OTPLessAuth class

The OtplessAuth class provides methods to integrate OTPLess authentication into your PHP backend application. This documentation explains the usage of the class and its methods.

Methods:

1. decodeIdToken

This method help to resolve idToken(JWT token) which is issued by OTPLess which return user detail from that token also this method verify that token is valid, token should not expired and issued by only otpless.com

Method Signature:
decodeIdToken(id_token, client_id, client_secret, audience=None)

Method Params:

Params Data type Mandatory Constraints Remarks
idToken String true idToken which is JWT token which you get from OTPLess by exchange code API
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

Return: Object Name: UserDetail

{'success': True, 'auth_time': 1697649943, 'phone_number': '+9193******', 'email': 'dev***@gmail.com', 'name': 'Devloper From OTP-less', 'country_code': '+91', 'national_phone_number': '9313******'}

2. verify code

This method help to resolve code which is return from OTPLess which will return user detail from that code also this method verify that code is valid, code should not expired and issued by only otpless.com

Method Signature:
verifyCode(code, client_id, client_secret)

Method Params:

Params Data type Mandatory Constraints Remarks
code String true code which you get from OTPLess
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

Return: Object Name: UserDetail

{'success': True, 'auth_time': 1697649943, 'phone_number': '+9193******', 'email': 'dev***@gmail.com', 'name': 'Devloper From OTP-less', 'country_code': '+91', 'national_phone_number': '9313******'}

3. Verify Auth Token

This method help to resolve token which is issued by OTPLess which return user detail from that token also this method verify that token is valid, token should not expired and issued by only otpless.com

Method Signature:
verifyToken(token, client_id, client_secret)

Method Params:

Params Data type Mandatory Constraints Remarks
token String true token which you get from OTPLess
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

Return: Object Name: UserDetail

{'success': True, 'auth_time': 1697649943, 'phone_number': '+9193******', 'email': 'dev***@gmail.com', 'name': 'Devloper From OTP-less', 'country_code': '+91', 'national_phone_number': '9313******'}

4. Generate Magic link

The Authorization Endpoint initiates the authentication process by sending a magic link to the user's WhatsApp or email, based on the provided contact information. This link is used to verify the identity of the user. Upon the user's action on this link, they are redirected to the specified URI with an authorization code included in the redirection.

Method Signature:
generateMagicLink(mobile_number, email, client_id, client_secret,redirect_uri,channel)

Method Params:

Params Data type Mandatory Constraints Remarks
channel String false if no channel given WHATSAPP is chosen as default WHATSAPP/SMS
mobile_number String false At least one required The user's mobile number for authentication in the format: country code + number (e.g., 91XXXXXXXXXX)
email String false At least one required The user's email address for authentication.
redirect_uri String true The URL to which the user will be redirected after authentication. This should be URL-encoded
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

Return: Object Name: RquestIds

{"requestIds":[{"type":"MOBILE","value":"ac48690347c24c0b8b54270590392b2a"}],"success":true}

Example of usage

require '../vendor/autoload.php';

use Otpless\OTPLessAuth; 

// Your ID token to decode
$token = 'your token here';

$clientId = 'your client id here';
$clientSecret = 'your client secret here';
// Initialize the library class
$auth = new OtplessAuth(); 


$auth->verifyToken($token,$clientId,$clientSecret);

5. Send OTP

This method help to send OTP to your users and OTP issued by only otpless.com

sendOtp(phoneNumber, email, orderId, expiry, hash, clientId, clientSecret, otpLength, channel)

Method Params:

Params Data type Mandatory Constraints Remarks
phoneNumber String true Mobile Number of your users
email String true Mail Id of your users
channel String false WHATSAPP, SMS
hash String true Your mobile application Hash
orderId String true Unique Order id
expiry Int false OTP expiry in sec
otpLength String false Values like 6 or 4
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

{"success":true,"orderId":"V112444","refId":"108","message":"success"}

6. ReSend OTP

This method help to resend OTP to your users and OTP issued by only otpless.com

resendOtp(orderId, clientId, clientSecret)

Method Params:

Params Data type Mandatory Constraints Remarks
orderId String true Unique Order id(same as send method)
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

{"success":true,"orderId":"V112444","refId":"108","message":"success"}

7. Verify OTP

This method help to Verify OTP to your users and OTP issued by only otpless.com

Method Signature:
verifyOtp(phoneNumber,email, orderId, otp, clientId, clientSecret)

Method Params:

Params Data type Mandatory Constraints Remarks
email String true Mail Id of your users
phoneNumber String true Mobile Number of your users
orderId String true Unique Order id
otp String true Enter otp here
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret 
{"success":true,"isOTPVerified":true}

8. Send OTP V2

This method help to send OTP to your users and OTP issued by only otpless.com

sendOtp(clientId, clientSecret, phoneNumber, email, expiry, hash, otpLength, channels, metadata)

Method Params:

Params Data type Mandatory Constraints Remarks
phoneNumber String true Mobile Number of your users
email String true Mail Id of your users
channel List false ["WHATSAPP"], ["SMS"]
hash String false Your mobile application Hash
expiry Int false OTP expiry in sec
otpLength String false Values like 6 or 4
metadata Object false
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

200 OK

{
  "requestId": "82b2891ce5394eeb837cc9d7850fef68"
}

4XX

{
  "message": "Invalid Request",
  "description": "Request error: OTP Length is invalid. 4 and 6 only allowed"
}

9. verify otp V2

verifyOtp(clientId, clientSecret, requestId, otp)

Method Params:

Params Data type Mandatory Constraints Remarks
requestId String true Unique requestId (from sendOTP)
otp String true OTP
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

200 OK

{
  "requestId": "bb85a5e777004c0fa1d4a5dc6f053cce",
  "isOTPVerified": true,
  "message": "OTP verified successfully"
}

4XX

{
  "message": "Invalid Request",
  "description": "Request error: Invalid token/request Id"
}

9. send magic link

generateMagicLink(clientId, clientSecret, phoneNumber, email, expiry, redirectURI, channels, metadata)

Method Params:

Params Data type Mandatory Constraints Remarks
phoneNumber String true Mobile Number of your users
email String true Mail Id of your users
channels List false ["WHATSAPP"], ["SMS"]
redirectURI String true redirect Url
expiry Int false Link expiry in sec
metadata Object false
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

200 OK

{
  "requestId": "c4db2da14be94f44b2de64753ab8c30b"
}

4XX

{
  "message": "Invalid Request",
  "description": "Request error: Invalid redirect URI"
}

10. send otp link

generateOTPLink(clientId, clientSecret, phoneNumber, email, expiry, hash, otpLength, redirectURI, channels, metadata)

Method Params:

Params Data type Mandatory Constraints Remarks
phoneNumber String true Mobile Number of your users
email String true Mail Id of your users
channels List false ["WHATSAPP"], ["SMS"]
redirectURI String true redirect Url
expiry Int false OTP and Link expiry in sec
otpLength String false Values like 6 or 4
metadata Object false
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

200 OK

{
  "requestId": "df0228c84de845d2ab1f377d0f407c68"
}

4XX

{
  "message": "Invalid Request",
  "description": "Request error: Invalid phone number's channel"
}

9. verify code

verifyCode(clientId, clientSecret, code)

Method Params:

Params Data type Mandatory Constraints Remarks
phoneNumber String true Mobile Number of your users
email String true Mail Id of your users
channels List false ["WHATSAPP"], ["SMS"]
redirectURI String true redirect Url
expiry Int false Link expiry in sec
metadata Object false
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

200 OK

{
  "requestId": "7bb4738eXXXXXXXXXX",
  "message": "Code verified successfully",
  "userDetails": {
    "token": "7bXX4738eXXXXXXXXXX",
    "timestamp": "2024-05-29T14:09:42Z",
    "identities": [
      {
        "identityType": "MOBILE",
        "identityValue": "9195XXXXXXXX",
        "channel": "WHATSAPP",
        "methods": ["WHATSAPP"],
        "name": "XXX",
        "verified": true,
        "verifiedAt": "2024-05-29T14:09:01Z"
      }
    ],
    "network": {
      "ip": "35.154.XX.XXX",
      "timezone": "Asia/Kolkata",
      "ipLocation": {
        "city": {
          "name": "Mumbai"
        },
        "subdivisions": {
          "code": "MH",
          "name": "Maharashtra"
        },
        "country": {
          "code": "IN",
          "name": "India"
        },
        "continent": {
          "code": "AS"
        },
        "latitude": 11.0748,
        "longitude": 22.8856,
        "postalCode": "123456"
      }
    },
    "deviceInfo": {
      "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Safari/605.1.15"
    }
  }
}

4XX

{
  "message": "Expired",
  "description": "Request error: Token is expired"
}

11. initiateOAuth

initiateOAuth(clientId, clientSecret, channels, redirectURI, expiry, metadata)

Method Params:

Params Data type Mandatory Constraints Remarks
channels List true ["WHATSAPP"]
redirectURI String true redirect Url
expiry Int false Link expiry in sec
metadata Object false
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

200 OK

{
  "requestId": "7bb4738e978XXXXXXX",
  "link": "whatsapp://send?phone=919XXXXXX&text=%E2%80%8E%E2%80%8C%E2%80%8E%E2%80%8E%E2%80%8E%E2%80%8C%E2%80%8D%E2%80%8B%E2%80%8B%E2%80%8B%E2%80%8D%E2%80%8C%E2%80%8E%E2%80%8B%E2%80%8B%E2%80%8ESend%20message%20to%20sign%20in"
}

4XX

{
  "message": "Invalid Request",
  "description": "Request error: Invalid redirect URI"
}

12. check status

checkStatus($clientId, $clientSecret, $requestId)

Method Params:

Params Data type Mandatory Constraints Remarks
requestId String true Got from Initiate OAUTH V2 API
clientId String true Your OTPLess Client Id
clientSecret String true Your OTPLess Client Secret

Return

200 OK

{
  "token": "5b59fd875e6848d6bd1c97aefe83d8b5",
  "timestamp": "2024-05-30T08:12:18Z",
  "identities": [
    {
      "identityType": "MOBILE",
      "identityValue": "9195XXXX3993",
      "channel": "WHATSAPP",
      "methods": ["WHATSAPP"],
      "name": "viKi!",
      "verified": true,
      "verifiedAt": "2024-05-30T08:11:24Z"
    }
  ],
  "network": {
    "ip": "13.235.XX.XXX",
    "timezone": "Asia/Kolkata",
    "ipLocation": {
      "city": {
        "name": "Mumbai"
      },
      "subdivisions": {
        "code": "MH",
        "name": "Maharashtra"
      },
      "country": {
        "code": "IN",
        "name": "India"
      },
      "continent": {
        "code": "AS"
      },
      "latitude": 11.0748,
      "longitude": 22.8856,
      "postalCode": "123456"
    }
  },
  "deviceInfo": {
    "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Safari/605.1.15"
  }
}

4XX

{
  "message": "Invalid Request",
  "description": "Request error: Invalid token/request Id"
}

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