1. Digital Wallets
Merchant Warrior API 2.0
  • API
    • Getting Started
    • Guides
      • Xero Connection
      • Xero Custom URL
      • wooCommerce PayID
      • Middleware
      • Hostaway
    • Direct API
      • getAccessToken
      • processCard
      • processAuth
      • processCapture
      • processBatch
      • retrieveBatch (CSV)
      • retrieveBatch (JSON Response)
      • retrieveBatch (JSON Notify)
      • refundCard
      • queryCard
      • processDDebit
      • processDDebitAuth
      • processVoid
      • verifyCard
      • queryDD
      • queryBIN
      • getSettlement
      • checkEnrollment
      • checkPARes
      • addBlacklistedCard
      • removeBlacklistedCard
      • queryBlacklistedCard
      • simulateNotify
      • getSurcharge
    • 3DS 2.0
      • Introduction
      • 3DS 2 Authentication Flows
      • Step 3 - 3DS Method Data
      • Step 5 - Challenge
      • Step 1 - getAccessToken
      • Step 2 - checkEnrollment
      • Step 4 - checkTDSAuth
      • Step 6 - checkPARes
      • Step 7 - processCard
      • Authorization Only processCard
    • PayLink
      • Introduction
      • Generate PayLink
    • PayID
      • Introduction
      • Create
      • Transaction
      • Get
      • Update
      • Status
      • List
      • Refund
    • PayTo
      • Introduction
      • Simulator
      • Certification
      • Actions and Statuses
      • Agreements
        • Agreements
        • Notifications
        • Create Agreement
        • Get Agreement
        • Amend Agreement
        • Amend Agreement Status
        • Recall Agreement Action
      • Payments
        • Payments
        • Notifications
        • Create Payment
        • Get Payment
        • Get Payment Status
        • Search Payments
    • Confirmation of Payee
      • Introduction
      • Sandbox Simulations
      • Validate
    • POS
      • Introduction
      • processPOS
      • refundPOS
      • voidPOS
      • deregisterPOS
    • Web SDK
      • Introduction
      • Usage
      • getAccessToken
      • Options
      • Initiate
      • Payframe Functionality
      • Middleware
      • addCard
    • Payframe
      • Introduction
      • Usage
      • Constructor
      • tdsCheck
      • Additional Functions
      • Styling
      • processCard
      • processAuth
    • Digital Wallets
      • Apple Pay Prerequisites
      • Google Pay Prerequisites
      • Web SDK
      • Manual Integration
      • processCard
        POST
      • addCard
        POST
      • getMerchantSession
        POST
      • decryptApplePayToken
        POST
    • Token Payments
      • Introduction
      • Key Management
      • addCard
      • removeCard
      • cardInfo
      • changeExpiry
      • processCard
      • processAuth
    • Batch
      • Introduction
      • Card Batches
      • Token Batches
      • Direct Debit Batches
    • Forter
      • Introduction
      • Testing
    • Payouts
      • Introduction
      • Sandbox Simulations
      • Notifications
      • Create Payouts
      • Get Payout Status
      • Resend Notifications
      • Get Payout Transaction Status
      • Get Payout Transaction Notify
    • Partner API
      • Introduction
      • addMerchant
      • updateMerchant
      • checkMerchant
    • Notifications
      • Notifications
  • Hosted Payment Page
    • processCard
  1. Digital Wallets

getMerchantSession

Sandbox
https://base.merchantwarrior.com
Sandbox
https://base.merchantwarrior.com
POST
/getMerchantSession

Apple Pay#

For more information on integrating Apple Pay into your web or mobile application, please refer to the following guides.
Apple Pay for Web
Apple Pay for iOS
Please note: All Apple Pay testing should be done from a dedicated Apple Pay test account that has been loaded with a test card from here.

Google Pay#

For more information on integrating Google Pay™ into your web or mobile application, please refer to the following guides.
Google Pay for Web
Google Pay for Android
Google Pay does not provide liability shift for Visa CRYPTOGRAM_3DS transactions (payments authenticated on an Android device) unless the corresponding setting is enabled in the Google Pay & Wallet Console for your business or an additional 3DS2 authentication is completed.
Liability ShiftVisaMastercard
PAN_ONLY✖✖
PAN_ONLY + 3DS2✔✔
CRYPTOGRAM_3DS✖✔
CRYPTOGRAM_3DS + 3DS2✔✔
All Visa CRYPTOGRAM_3DS based Google Pay transactions that do not have liability shift will be blocked by Merchant Warrior.

Request

Header Params

Body Params application/jsonRequired

Examples

Responses

🟢200
OK
This response does not have a body.
Request Request Example
Shell
JavaScript
Java
Swift
curl --location 'https://base.merchantwarrior.com/getMerchantSession' \
--header 'MW-API-VERSION: 2.0' \
--header 'Content-Type: application/json' \
--data '{
    "method": "getMerchantSession",
    "merchantUUID": "123456789abcd",
    "apiKey": "1a3b5c",
    "validationURL": "XXXXX",
    "domainName": "www.example.com",
    "displayName": "XXXXX"
}'
Modified at 2026-08-07 06:41:30
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