UAT to Production

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After completing Integration, send a testing URL to PhonePe for the sanity check. Production credentials will be shared post UAT sign-off by PhonePe.

Replace below parameters before going LIVE to production.

Parameter	Steps
`MerchantID`	Use the `merchantID` shared for production
Host URL	Replace test host URL in the Server API calls.
API keys	Replace in checksum and X-VERIFY header computation in all the API calls.
PhonePe Package Name	com.phonepe.app