Get

Get

Use this endpoint to retrieve the information of a previously created Massachusetts Form M-941 for the corresponding employer (payer). Your request JSON must include the corresponding SubmissionId and the RecordId (optional) for the forms.

POST StateFilings/MAWH/Get 

Run in Postman

Request Body

Field	Type	Description
SubmissionId	Guid	Unique identifier of a submission.
RecordId	Guid	An unique identifier generated by TaxBandits when a M-941 return is created. Mention the return's Record ID that you want to get.

Response Body

Field	Type	Description
SubmissionId	String	Unique identifier for the submission.
StateWHRecords	Object[]	Object to identify the records.
SequenceId	String	A unique identifier for this record.
RecordId	Guid	A unique identifier generated by TaxBandits when a M-941 return is created.
ReturnHeader	Object	Contains business information.
TaxYear	String	The tax year for which the Form M-941 is to be filed.
Qtr	String	The quarter for which the Form M-941 is to be filed.
Business	object	Object to identify the Business Details.
BusinessId	Guid	The unique Business ID (Generated by TaxBandits) that you received in the response of the Business CREATE Endpoint.
PayerRef	string	The unique identifier for the payer.
IsDefaultBusiness	Boolean	When set to TRUE, this business will be set as the default across requests that do not specify a business.
TINDetails	object	TIN information for the business.
Format	string	Specifies how the TIN is passed.
TINType	string	Specify the TIN type of the business.
TIN	string	The TIN value according to the Format selected.
IndividualNm	object	Required when TINType is SSN. Provide individual name fields instead of BusinessNm.
FirstNm	string	The first name of the individual.
MiddleNm	string	Middle name of the individual.
LastNm	string	The last name of the individual.
Suffix	string	Suffix of the individual's name.
BusinessNm	string	Legal name of the business. Required when TINType is EIN.
NameCtrl	string	Name control of the business as registered with the IRS.
DBADetails	object[]	DBA (Doing Business As) information.
DBANm	string	Name of the DBA.
DBARef	string	Unique identifier for the DBA.
DBAId	Guid	TaxBandits-generated DBA identifier.
Address	object[]	Address information of the DBA.
Address1	string	Street address or PO Box.
Address2	string	Suite or apartment number.
City	string	DBA's city.
ProvinceOrState	string	DBA's province or state name.
Zipcd	string	DBA's ZIP code.
Country	string	DBA's 2-character country code.
Email	string	Email address of the Business.
Address	object	Primary address of the business.
Address1	string	Street address or PO Box of the business.
Address2	string	Suite or apartment number of the business.
City	string	City of the business.
ProvinceOrState	string	Province or state name of the business.
ZipCd	string	ZIP code of the business.
Country	string	2-character country code of the business.
ContactDetails	object[]	Details of the person the IRS can contact regarding the given business.
FirstNm	string	First name of the contact person.
MiddleNm	string	Middle name of the contact person.
LastNm	string	Last name of the contact person.
Suffix	string	The suffix of the contact person.
Phone	string	Phone number of the contact person.
PhoneExtn	string	Phone extension number.
Email	string	Email address of the contact person.
Fax	string	Fax number of the contact person.
SigningAuthority	Object	Details of the person authorized to sign the return.
FirstNm	String	First name of the signatory.
MiddleNm	String	Middle name of the signatory.
LastNm	String	Last name of the signatory.
Suffix	String	The suffix of the signatory.
Phone	String	Phone number of the signatory.
PhoneExtn	String	Phone extension number of the signatory.
BusinessMemberType	String	Title or role of the signatory.
ReturnData	Object	Identifies the Form M-941.
FormM941	Object	Massachusetts withholding tax returns.
WHIdNum	String	Massachusetts withholding file number.
FilingFreq	string	Filing frequency of the Form M-941.
Month	string	Select the month for the monthly filing period. Note: Required if the filing frequency is Monthly.
IsFinalReturn	Boolean	When true, indicates that it is a final return.
NumOfEmp	Number	Number of employees.
TotTaxWH	Number	Massachusetts income tax withheld from all sources for the filing period.
IsTaxPaid	Boolean	When true, identifies that the employer has made previous payments.
TaxPaidDetails	Object[]	Identifies the tax paid details.
Date	string	Enter the date the tax was paid. Format: MM/DD/YYYY or MM-DD-YYYY.
Amount	string	Tax paid on the date mentioned.
TotTaxPaid	Number	Total tax paid for the filing period.
Overpayment	Number	Previous credits/payments made for the filing period.
TotPayment	Number	Total payments and credits.
TotWHDue	Number	Total tax due.
Penalty	Number	Total penalty amount, if applicable.
Interest	Number	Total interest due amount, if applicable.
BalanceDue	Number	Total due amount.
OverPaymentRecoveryType	string	Gets the overpayment recovery type. Whether to have the state refund the excess amount or apply it to the next return.
StatePayment	Object	Object that contains information about the payment details.
AccountType	string	Bank account type.
BankNm	string	Bank account name of payment.
BankRoutingNum	string	Bank Routing Number of payment.
BankAccountNum	string	Bank Account Number for payment.
PaymentAmt	Number	Amount to be paid.
PaymentReqDate	String	Date when the payment has to be made. Enter the date in the format: MM/DD/YYYY or MM-DD-YYYY (Example: 01/25/2026).
Errors	object[]	Shows detailed error information.
Id	string	Returns the validation error ID.
Name	string	Name of the validation error.
Message	string	Description of the validation error.

Request JSON

"statefilings/mawh/get?SubmissionId=01a0e772-b3b0-7717-bab7-0320f18d81f5&RecordId=01a0e772-b506-713b-a83a-245c1fc00777"

Response JSON

200

Success Response - This is a sample response for successful API requests.

{
"SubmissionId": "01a0e772-b3b0-7717-bab7-0320f18d81f5",
"StateWHRecords": [
  {
    "SequenceId": "001",
    "RecordId": "01a0e772-b506-713b-a83a-245c1fc00777",
    "ReturnHeader": {
      "Qtr": null,
      "Month": "AUG",
      "TaxYear": "2026",
      "Business": {
        "BusinessId": "b53ced19-671e-4ef6-9d86-0de3ebb6abc0",
        "PayerRef": null,
        "IsDefaultBusiness": true,
        "TINDetails": {
          "Format": "PLAIN_TIN",
          "TINType": "EIN",
          "TIN": "45-0052655"
        },
        "BusinessNm": "Snowdaze LLC",
        "DBADetails": {
          "DBANm": "Iceberg Icecreams",
          "DBARef": "DBA1001",
          "DBAId": "8682A0E5-75DB-4781-B316-7D7BFEDF3217",
          "Address": {
            "Address1": "123 Main St",
            "Address2": "Suite 1001",
            "City": "Rock Hill",
            "ProvinceOrState": "SC",
            "ZipCd": "29730",
            "Country": "US"
          }
        },
        "Address": {
          "Address1": "123 Main St",
          "Address2": "Suite 1001",
          "City": "Rock Hill",
          "ProvinceOrState": "SC",
          "ZipCd": "29730",
          "Country": "US"
        },
        "ContactDetails": {
          "FirstNm": "James",
          "MiddleNm": "A",
          "LastNm": "Anderson",
          "Suffix": "Jr",
          "Phone": "(803) 555-1234",
          "PhoneExtn": "101",
          "Email": "contact@snowdaze.com",
          "Fax": "(803) 555-5678"
        },
        "BusinessType": "ESTE",
        "SigningAuthority": {
          "FirstNm": "Ambrane",
          "MiddleNm": "A",
          "LastNm": "Cavil",
          "Suffix": "Jr",
          "Phone": "(803) 555-1000",
          "PhoneExtn": "111",
          "BusinessMemberType": "ADMINISTRATOR"
        },
        "KindOfEmployer": null,
        "KindOfPayer": null
      }
    },
    "ReturnData": {
      "FormM941": {
        "WHIdNum": "WTH-74598501-543",
        "FilingFreq": "MONTHLY",
        "Month": "AUG",
        "IsFinalReturn": true,
        "NumOfEmp": 12,
        "TotTaxWH": 20000,
        "IsTaxPaid": true,
        "TaxPaidDetails": [
          {
            "Date": "08/15/2026",
            "Amount": 100
          },
          {
            "Date": "08/05/2026",
            "Amount": 60
          }
        ],
        "TotTaxPaid": 160,
        "Overpayment": 60,
        "TotPayment": 220,
        "TotWHDue": 19780,
        "Penalty": 100,
        "Interest": 120,
        "BalanceDue": 20000,
        "OverPaymentRecoveryType": null
      },
      "StatePayment": {
        "AccountType": "CHECKING",
        "BankNm": "IFB",
        "BankRoutingNum": "021000021",
        "BankAccountNum": "9999948932",
        "PaymentAmt": 20000,
        "PaymentReqDate": "11/25/2025"
      }
    }
  }
],
"Errors": null
}