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Express Merchant Payment REST API

Custom Features(on-demand only)


base_url: https://paymoney.techvill.org/modern/

Description:

This document is a guide on how to integrate Merchant Payment with Rest API. The API is a restful web service, which accept form data as input. All methods are implemented as POST. Before anything to do the user (who is paying to the merchant) must be logged in to get the authorization token.

Login Via API

URL: https://{base_url}/api/login

Method Type: POST

Sample Request

Body Parameter (form-data)

{"email":"irish@gmail.com","password":"123456"}

Parameter Description Status Type Sample
email Must be email Required String irish@gmail.com
password User Password Required String 123456

Sample Response

Login Successful

{"RESPONSE": {"USER_ID":4,"FIRST_NAME":"Irish","LAST_NAME":"Watson","EMAIL":"irish@gmail.com","FORMATTEDPHONE":NULL,"PICTURE":"","DEFAULTCOUNTRY":"US","TOKEN":"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6Ijg0OGU2NjhhZDdjMWRmYzhjODA1NGE0NjY5ZTM0OGYyND","STATUS":200,"USER-STATUS":"ACTIVE"}}

Login Error

{"response":{"status":401,"message":"Invalid email & credentials"}}

N.B: You have to use this genereted TOKEN on all other steps as Authorization-token in the header section.

Possible reasons for failure:

Credentials do not match, user suspended.

EndPoint Name: Merchant Verify

URL: https://{base_url}/merchant/verify

Method: POST

Description: Go to merchant account, https://{base_url}/merchants Click gear icon of approved express merchant.From the modal copy Client id, Client Secret. This method is used to generate an access token.

N.B: If the merchant is approved by the admin, only then the gear icon will be available for that merchant. Authorization-token must be sent as header.

Sample Request

Body Parameter (form-data)

{" client_id":" yMKqAvC2dILUyhwdIbryh4rsl784kF"," client_secret":" ZubitDCg2QyxuoSu0l6pJkNB5lOrcl1Ivy0qZlhlu8QhWHDYOelkVSNC8B0ybunOb3i832W3FC2SUuXw04Rj8kRHduMx7pdD4a48"}

Header Parameter

{“ Authorization-token”:” eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJhdWQiOiIzIiwianRpIjoiNTFiMTU5N2EyYjI4NDMxMzFiZWM0MTdlZGI4NmExOTcyNGZhYWVlZWMzZGNjMjNkMzRlOTE2YjVkYzJlM2M0NjEwODJkOGNlNTdlZGNkNmYiLCJpYXQiOjE2MzYxNzk5MjgsIm5iZiI6MTYzNjE3OTkyOCwiZXhwIjoxNjY3NzE1OTI4LCJzdWIiOiI0Iiwic2NvcGVzIjpbXX0...”}

Parameter Description Status Type Sample
client_id Merchnat Client ID Required String yMKqAvC2dILUyhwdIbryh4rsl784kF
client_secret Merchant Secret Required String ZubitDCg2QyxuoSu0l6pJkNB5lOrcl1Ivy0qZlhlu8QhWHDYOelkVSNC8B0ybunOb..
Authorization -token Must be given in header, token that is generate after login response for user. Required String eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJhdWQiOiIzIiwianRpIjoiNTFiMTU5N2EyY..

Sample Response

Merchant exists:

{"success":{"response":{"status":"success","message":"Client Verified","data":{"access_token":"PIdb49a6imxSecjkr2tn21YSPn"}},"status":200}}

Merchant does not exist

{"success":{"status":407,"message":"Can not verify the client. Please check client Id and Client Secret!"}}

N.B: You have to use this genereted access_token on next step as AUTHORIZATION

Possible reason for failure:

The client_id or client_secret is invalid.

EndPoint Name: Transaction Info

URL: https://{base_url}/api/merchant/transaction-info

Method: POST

Description: We use this endpoint to store the payment information. Get the access token which is generated by verifying merchant in previous step. Use “Authorization-token” and “Authorization” as headers. “Authorization-token” is generated from https://{base_url}/api/login

N.B: You will need to set the Authorization: Bearer followed by the token value. Add successUrl and cancelUrl as you need. For currency code use ISO format.

Sample Request

Body Parameter (form-data):

{"payer":"LuxXchange","amount":"10","currency":"USD","successUrl":"https://{base_url}/dashboard","cancelUrl":"https://{base_url}/" }

Header Parameter:

{" Authorization-token ":"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6Ijg0OGU2NjhhZDdjMWRmYzhjODA1NGE0NjY5ZTM0OGYyND..."," Authorization ":"Bearer 5UTduND48M4qrbSJ9i3CVuQ2cE "}

Parameter Description Status Type Sample
payer Who will receive the payment Required String Irish Watson
amount The amount User have to pay Required String 10
currency The payment occur on which currency, it should be ISO code. Required String USD
successUrl Application dashboard url Required String https://{base_url}/dashboard
cancelUrl Application root url Required String https://{base_url}
Authorization-token Must be given in header, token that is generate after login response for user Required String eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJhdWQiOiIzIiwianRp...
Authorization Must be given on header, collect it from merchant verify Required String Bearer PIdb49a6imxSecjkr2tn21YSPn

Sample Response

Success

{"success":{"status":"success","grandId":78509912,"token":"VPJSyzRvTgzWGll3xjTI","messag e":"","data":{"approvedUrl":"https://{base_url}/merchant/payment?grant_id=78509912&token=VPJSyzRvTgzWGll3xjTI"}}}

Invalid Currency

{"success":{"status":"error","message":"Currency GBP is not supported by this merchant!","data":[]}}

Amount Zero

{"success":{"status":"error","message":"Amount cannot be 0 or less than 0.","data":[]}}

Possible reason for failure:

Merchant Currency doesn’t exist, no successUrl & no cancelUrl, amount zero, Authorization token mismatch.

N.B: After performing the above step, you will get grant_id and token. These value will be needed for the next step.

EndPoint Name: PAYMENT

URL: https://{base_url}/api/merchant/payment/

Method: POST

Description: In this endpoint payment will success, Checks all kinds of input validation and redirected to payment page (if user not logged in then user have to login) if all validation passed. User have to decide to cancel or accept the payment. User grant_id & token as body parameter which is generated in previous step.

Sample Response

Body Parameter (form-data)

{"grant_id":"55890128","token":" OfCErZrxuiDqxTjscQon "}

Header Parameter

{“ Authorization-token”:” eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6Ijg0OGU2NjhhZDdjMWRmYzhjODA1NGE0NjY5ZTM0OGYyND...”}

Parameter Description Status Type Sample
grant_id Get from endpoint-2 Required String 78509912
token Get from endpoint-2 Required String VPJSyzRvTgzWGll3xjTI
Authorization-token Must be given in header, token that is generate after login response for user. Required String eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6Ijg0OGU2NjhhZD

Sample Response

Payment Success:

{ "success": { "status": 200, "message": "Success", "successUrl": "https://{base_url}}?eyJzdGF0dXMiOjIwMCwidHJhbnNhY3Rpb25faWQiOiJFQjlCRUM0MUYyMDRCIiwibWVyY2hhbnQiOiJBc2hyYWZ1bCBSYXNlbCIsImN1cnJlbmN5IjoiVVNEIiwiZmVlIjowLjE0OTk5OTk5OTk5OTk5OTk5NDQ0ODg4NDg3Njg3NDIxNzI5Nzg4MTg0MTY1OTU0NTg5ODQzNzUsImFtb3VudCI6OS44NDk5OTk5OTk5OTk5OTk2NDQ3Mjg2MzIxMTk5NDk5MDcwNjQ0Mzc4NjYyMTA5Mzc1LCJ0b3RhbCI6IjEwLjAwMDAwMDAwIn0=" } }

Merchant & User same:

{"success":{"status":801,"message":"Merchant cannot make payment to himself!"}}

Grant Id or Token Mismatch :

{"success":{"status":401,"message":"Grant Id or Token does not Match!"}}

Insufficient Balance :

{"success":{"status":401,"message":"User doesn't have sufficient balance!"}}

EndPoint Name: PAYMENT CANCEL

URL: https://{base_url}/api/merchant/payment/cancel

Method: POST

Description: To cancel the payment this url is used. To cancel a payment, after endpoint #2 make a request to endpoint #4. Provide “Authorization-token” from https://{base_url}/api/login and token from endpoint #2.

Sample Request

Body Parameter (form-data)

{"grant_id":"78509912","token":" VPJSyzRvTgzWGll3xjTI "}

Header Parameter

{“ Authorization-token”:” eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJhdWQiOiIzIiwianRpIjoiNTFiMTU5N2EyYjI4NDMxMzFiZWM0MTd...”}

Parameter Description Status Type Sample
grant_id Get from endpoint-2 Required String 78509912
token Get from endpoint-2 Required String VPJSyzRvTgzWGll3xjTI
Authorization-token Must be given in header, token that is generate after login response for user. Required String eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImp0aSI6Ijg0OGU2NjhhZD

Sample Response

Payment Success:

{ "success": { "status": 200, "message": "Payment cancelled successfully", "cancelUrl": "https://{base_url}/dashboard" } }