Authorize OTP to complete payment
To authorize transaction (the transactions that returns T0) with OTP use this end point
| 1 | POST /api/v3/purchases/otps/auths | 
Sample Request
To make authorize transaction with otp, set up your authorize otp request like this.
| 1 2 3 4 5 6 7 8 | { 	"authData":"Lisy0gf1qwSgAOR4xNS5jkiLFSh0C6dYqyzQhxopAVHaG0DqTaB8yHYGPfYBAg2ZShyGp2YJRzLsxpquv  RuUZe6IO7hV+DDG1fsfx6bzLL7i6c/UFcw/T+QrsNOUgLjSqqlRNkMFmn1XN3CT0PtYEMwExE38cFHjZN8dX2xZOKhwFJ9CJ  Os2VXeXCvfExxyZ5k3q+8dSxyHjYKrP3qfrjxhw7NFgEIvuo2xDlUTP6DLe8C/Z7QrBO3ggF7fo7Uz8t/vTcY7HvWmfX2Ufi  T7T5rzbOw24ahPZ8/tQg1dvpsiO81Qaw/lS+8P+GigkNO5+GeTpRjo+CO+n656zrwU8MQ==",                         // Authentication Data. 	"paymentId":"66599",                                                                           // Payment Identifier. 	"otp":"742591"                                                                                 // One time password. } | 
Sample Response (success)
After transaction has been authorized with otp, the expected successful payment response is similar to this.
| 1 2 3 4 5 6 7 8 9 | {   "transactionIdentifier": "FBN|WEB|VNA|23-05-2016|66593|177266",   // Transaction unique identifier.   "token": "5123452812351086018",                                   // Token for future payment.                     "tokenExpiryDate": "2004",                                        // Card or Token expiry date in YYMM format.   "panLast4Digits": "7499",                                         // Card last four digits.   "amount": "200.00",                                               // Amount in Naira.   "transactionRef": "ESBDEV10002",                                  // A unique transaction reference number.   "message": "Approved by Financial Institution"                    // Success response message. } | 
Sample Response (failure)
After transaction has been authorized with otp, the expected failure response is similar to this if any.
| 1 2 3 4 5 6 7 8 9 | {   "errors": [     {       "code": "Z5",                                     // Error code.       "message": "PAYMENT_ALREADY_PROCESSED"            // Error message.     }   ],   "paymentId": "66599"                                  // Payment Identifier. } |