Step 1. Host the API and change the web config file.
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Step 2. Run the below Stored Procedure.

CREATE PROCEDURE [dbo].[udsp_sp_AmsComtel_insertlead_data]
(
	@nServiceId 				varchar(100),
	@szLeadDate					varchar(100),
	@szCustomerName				varchar(100),
	@szContactNumber			varchar(100),
	@szPolicyNumber				varchar(100),
	@szPlanName					varchar(100),
	@szAnnualPremium			varchar(100),
	@szFundSurrenderValue		varchar(100),
	@szCustomerToPay			varchar(100),
	@szIssueDate				varchar(100),
	@szDueDate					varchar(100),
	@szBusinessPartner			varchar(100),
	@szAgentName				varchar(100),
	@szAgentCode				varchar(100)
)
AS
BEGIN
	DECLARE @strTemp AS varchar(max)
	DECLARE @nSourceCount as Int
	DECLARE @strTableDbName AS varchar(999)
	DECLARE @leadmaster_table AS varchar(999)
	DECLARE @ServiceName AS varchar(100)
	DECLARE @Batch AS varchar(15)
	DECLARE @LeadStatus AS varchar(50)
	SET @LeadStatus = 'Inserted'

	SELECT  @strTableDbName = service_outbound_lead_db_name, 
	@leadmaster_table = service_leadstructure_master_tablename, 
	@ServiceName = service_name
	FROM cti_services   
	WHERE service_id = @nServiceId  

	Set @Batch = 'Batch_'+Replace(convert(varchar(10),getdate(),23),'-','')
	
	SET @strTemp = 'INSERT INTO '+@strTableDbName+'..'+ @leadmaster_table +' (
						lead_service_id, lead_import_batch_id, 
						lead_import_batch_no, lead_zone, 
						lead_phone1,
						lead_fname,
						lead_lname,
						udf_lead_date,
						udf_policy_number,
						udf_plan_name,
						udf_annual_premium,
						udf_fund_surrender_value,
						udf_customer_to_pay,
						udf_issue_date,
						udf_due_date,
						udf_business_partner,
						udf_agent_code,
						lead_import_batch_start_date, lead_import_batch_end_date, 
						lead_call_type, lead_status, lead_next_dial_time, lead_attempts, lead_used,lead_fix_agent,lead_dialable	) 
						VALUES (
						'''+@nServiceId+''', 0, 
						''' + @Batch+''', ''AAA'',
						'''+ @szContactNumber+''',
						'''+ @szCustomerName+''',
						'''+ @szAgentName+''',
						'''+ @szLeadDate+''',
						'''+ @szPolicyNumber +''',
						'''+ @szPlanName +''',
						'''+ @szAnnualPremium +''',
						'''+ @szFundSurrenderValue +''',
						'''+ @szCustomerToPay +''',
						'''+ @szIssueDate +''',
						'''+ @szDueDate +''',
						'''+ @szBusinessPartner +''',
						'''+ @szAgentCode +''',
						GETDATE(), DATEADD(YEAR, 10, GETDATE()), ''I'', ''P'', DATEADD(MI, 30, GETDATE()), 0, ''N'',0,''Y'')'


		EXEC(@strTemp)

		Select @@Identity As LeadId ,@LeadStatus AS LeadStatus
		 

		set @nSourceCount=0   
		select @nSourceCount = count(*)  from cti_lead_batch_master where Leadimport_Batch_name = @Batch
		and  leadimport_service_id = @nServiceId
		group by Leadimport_Batch_name  

	if @nSourceCount <= 0  
	 BEGIN      
		INSERT INTO [CTI_Lead_Batch_Master]  
		([leadimport_service_id]  
		,[leadimport_service_name]  
		,[leadimport_template_id]  
		,[leadimport_template_name]  
		,[leadimport_vendor_id]  
		,[leadimport_vendor_name]  
		,[leadimport_batch_name]  
		,[leadimport_country_code]  
		,[leadimport_source_type]  
		,[leadimport_source_name]  
		,[leadimport_source_count]  
		,[leadimport_import_count]  
		,[leadimport_rejected_count]  
		,[leadimport_rejected_dnc]  
		,[leadimport_rejected_invalid]  
		,[leadimport_rejected_fieldrules]  
		,[leadimport_rejected_zones]  
		,[leadimport_rejected_duplicate]  
		,[leadimport_rejected_error]  
		,[leadimport_imported_by_id]  
		,[leadimport_imported_by_name]  
		,[leadimport_imported_on_computer]  
		,[leadimport_imported_on_date]  
		,[leadimport_summary]  
		,[leadimport_batch_status]  
		,[leadimport_batch_refill_percentage]  
		,[leadimport_batch_usage_percentage]  
		,[Leadimport_zone]  
		,[Leadimport_batch_fix_agents]  
		,[leadimport_batch_start_date]  
		,[leadimport_batch_end_date])  
		VALUES  
		(@nServiceId,'' + @ServiceName + '',-1,'',-1,'','' + @Batch + '','','E','SQLPROCEDURE',  
		1,1,0,0,0,0,0,0,0,0,'TSPL','TSPL',getdate(),'','A','',0,'AAA','N',GETDATE(),DATEADD(YEAR,10,GETDATE()))  
 
	 END  
	ELSE  
	 BEGIN  
		UPDATE CTI_Lead_Batch_Master Set   
		leadimport_source_count = leadimport_source_count + 1 ,  
		leadimport_import_count = leadimport_import_count + 1  WHERE Leadimport_Batch_name =@Batch  
		AND leadimport_service_id = @nServiceId
		AND leadimport_zone = 'AAA'
	 END    

END
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Step 3. use below queuries for testing.

Method 	-	 POST
URL 		-	 http://<Hosted IP>:<Hosted Port>/api/Leadpush/PushLead
Body -> row -> Json
{
	"ServiceId":"57",
	"LeadDate":"2023-06-21 00:00:00",
	"CustomerName":"XYZ",
	"ContactNumber":"1234567890",
	"PolicyNumber":"12345",
	"PlanName":"ABC",
	"AnnualPremium":"2000",
	"FundSurrenderValue":"0",
	"CustomerToPay"	:"15000",
	"IssueDate":"2023-06-10 00:00:00",
	"DueDate":"2023-06-22 00:00:00",
	"BusinessPartner":"abcd",
	"AgentName":"Mr.Nobody",
	"AgentCode":"007"
}