post  https://api.instantpay.in/identity/nameSimilarity 
The Text Match API allows users to compare two names and returns a similarity score indicating how closely they match. This can be useful for applications involving name matching, duplicate detection, and fuzzy searches.
Name Type Description Mandatory (M) , Optional (O) Provided by INSTANTPAY (Y/N) X-Ipay-Auth-Code String Auth Code -1 (Fixed) M Y X-Ipay-Client-Id String Unique Client ID M Y X-Ipay-Client-Secret String Unique secret key M Y X-Ipay-Endpoint-Ip String End Customer IP Address M N 
Name Type Mandatory (M) , Optional (O) Description firstName String M First name of the user secondName String M Second name of the user externalRef String M Your Unique Transaction Id 
cURL HTTP 
curl --location --request POST 'https://api.instantpay.in/identity/nameSimilarity' \
--header 'X-Ipay-Auth-Code: {{authCode}}' \
--header 'X-Ipay-Client-Id: {{clientId}}' \
--header 'X-Ipay-Client-Secret: {{clientSecret}}' \
--header 'X-Ipay-Endpoint-Ip: {{endPointIP}}' \
--header 'Content-Type: application/json' \
--data-raw '{
    "firstName": "Instantpay India Ltd",
    "secondName": "Instantpay Limited",
    "externalRef": "1649750897",
}'POST /identity/nameSimilarity HTTP/1.1
Host: api.instantpay.in
X-Ipay-Auth-Code: {{authCode}}
X-Ipay-Client-Id: {{clientId}}
X-Ipay-Client-Secret: {{clientSecret}}
X-Ipay-Endpoint-Ip: {{endPointIP}}
Content-Type: application/json
{
    "firstName": "Instantpay India Ltd",
    "secondName": "Instantpay Limited",
    "externalRef": "1649750897",
}Name Type Description statuscode String InstantPay Status Code actcode String Action Code status String Status message data Array Response Data (If Present) timestamp String Current time (YYYY-MM-DD HH:II:SS) ipay_uuid String Request reference number orderid String Transaction Id ( If transaction otherwise it is null ) environment String Live/Sandbox 
📘 1 - externalRef must be unique and in alpha numeric characters.
JSON 
{
    "statuscode": "TXN",
    "actcode": null,
    "status": "Transaction Successful",
    "data": {
        "ipayId": "122022149NPGPA",
        "openingBalance": "12.14",
        "closingBalance": "12.14",
        "transactionValue": "0.00",
        "payableValue": "0.00",
        "similarityScore": 96.83
    },
    "timestamp": "2022-08-17 12:21:49",
    "ipay_uuid": "h068970aa142-66d2-4ee5-bd1b-d6029b9fa0fe",
    "orderid": "1230424215619QEDEL",
    "environment": "LIVE",
    "internalCode": null
}Similarity Score Match Result 100 Exact Match 85.00 - 99.00 Close Match 60.00 - 84.00 Moderate Match 34.00 - 59.00 Poor Match 1 - 33.00 No Match