#1. Remove all the unnecessary parameters for api call.

#2. Change date from static to dynamic format in test cases.
#3. Update Readme.

api_authentication.go

@@ -53,6 +53,11 @@ func (r ApiAuthTokenRequest) Scope(scope string) ApiAuthTokenRequest {
 }
 
 func (r ApiAuthTokenRequest) Execute() (*OAuth, *http.Response, error) {
+	r.grantType = new(string)
+	*r.grantType = setRequestParams().GrantType
+	r.scope = new(string)
+	*r.scope = setRequestParams().Scope
+
 	return r.ApiService.AuthTokenExecute(r)
 }
 
@@ -71,6 +76,10 @@ func (a *AuthenticationAPIService) AuthToken(ctx context.Context) ApiAuthTokenRe
 	}
 }
 
+func (r ApiAuthTokenRequest) AuthToken() (*OAuth, *http.Response, error) {
+	return r.Execute()
+}
+
 // Execute executes the request
 //
 //	@return OAuth

api_authentication_test.go

@@ -24,15 +24,12 @@ func Test_TelstraMessaging_AuthenticationAPIService(t *testing.T) {
 		t.Skip("skip test") // remove to run test
 		clientId := "YOUR CLIENT ID"
 		clientSecret := "YOUR CLIENT SECRET"
-		grantType := "client_credentials"
-		scope := "free-trial-numbers:read free-trial-numbers:write messages:read messages:write virtual-numbers:read virtual-numbers:write reports:read reports:write"
-
-		oauthResult, resp, err := apiClient.AuthenticationAPI.AuthToken(context.Background()).
-			ClientId(clientId).
-			ClientSecret(clientSecret).
-			GrantType(grantType).
-			Scope(scope).
-			Execute()
+
+		authApi := apiClient.AuthenticationAPI.AuthToken(context.Background())
+		authApi.clientId = &clientId
+		authApi.clientSecret = &clientSecret
+
+		oauthResult, resp, err := authApi.AuthToken()
 
 		if err != nil {
 			fmt.Println("Error:", err)

api_free_trial_numbers.go

@@ -61,12 +61,28 @@ func (r ApiCreateTrialNumbersRequest) CreateTrialNumbersRequest(createTrialNumbe
 	return r
 }
 
+func (r ApiCreateTrialNumbersRequest) CreateTrialNumbers(createTrialNumbersRequest CreateTrialNumbersRequest) (*FreeTrialNumbers, *http.Response, error) {
+	r.createTrialNumbersRequest = &createTrialNumbersRequest
+	return r.Execute()
+}
+
 func (r ApiCreateTrialNumbersRequest) TelstraApiVersion(telstraApiVersion string) ApiCreateTrialNumbersRequest {
 	r.telstraApiVersion = &telstraApiVersion
 	return r
 }
 
 func (r ApiCreateTrialNumbersRequest) Execute() (*FreeTrialNumbers, *http.Response, error) {
+	r.contentType = new(string)
+	*r.contentType = setRequestParams().ContentType
+	r.accept = new(string)
+	*r.accept = setRequestParams().Accept
+	r.acceptCharset = new(string)
+	*r.acceptCharset = setRequestParams().AcceptCharset
+	r.contentLanguage = new(string)
+	*r.contentLanguage = setRequestParams().ContentLanguage
+	r.telstraApiVersion = new(string)
+	*r.telstraApiVersion = setRequestParams().TelstraApiVersion
+
 	return r.ApiService.CreateTrialNumbersExecute(r)
 }
 
@@ -343,6 +359,16 @@ func (r ApiGetTrialNumbersRequest) TelstraApiVersion(telstraApiVersion string) A
 }
 
 func (r ApiGetTrialNumbersRequest) Execute() (*FreeTrialNumbers, *http.Response, error) {
+	r.contentType = new(string)
+	*r.contentType = setRequestParams().ContentType
+	r.accept = new(string)
+	*r.accept = setRequestParams().Accept
+	r.acceptCharset = new(string)
+	*r.acceptCharset = setRequestParams().AcceptCharset
+	r.contentLanguage = new(string)
+	*r.contentLanguage = setRequestParams().ContentLanguage
+	r.telstraApiVersion = new(string)
+	*r.telstraApiVersion = setRequestParams().TelstraApiVersion
 	return r.ApiService.GetTrialNumbersExecute(r)
 }
 
@@ -363,6 +389,10 @@ func (a *FreeTrialNumbersAPIService) GetTrialNumbers(ctx context.Context) ApiGet
 	}
 }
 
+func (r ApiGetTrialNumbersRequest) GetTrialNumbers() (*FreeTrialNumbers, *http.Response, error) {
+	return r.Execute()
+}
+
 // Execute executes the request
 //
 //	@return FreeTrialNumbers

api_free_trial_numbers_test.go

@@ -22,47 +22,20 @@ func Test_TelstraMessaging_FreeTrialNumbersAPIService(t *testing.T) {
 	configuration := NewConfiguration()
 	apiClient := NewAPIClient(configuration)
 
-	accept := "application/json"
-	acceptCharset := "utf-8"
-	contentType := "application/json"
-	contentLanguage := "en-au"
-	telstraApiVersion := "3.1.0"
-	grantType := "client_credentials"
-	scope := "free-trial-numbers:read free-trial-numbers:write messages:read messages:write virtual-numbers:read virtual-numbers:write reports:read reports:write"
-
 	clientId := "YOUR CLIENT ID"
 	clientSecret := "YOUR CLIENT SECRET"
-
-	oauthResult, _, err := apiClient.AuthenticationAPI.AuthToken(context.Background()).
-		ClientId(clientId).
-		ClientSecret(clientSecret).
-		GrantType(grantType).
-		Scope(scope).
-		Execute()
-
-	if err != nil {
-		fmt.Println("Error:", err)
-		return
-	}
-
-	accessToken := *oauthResult.AccessToken
-	authorization := "Bearer " + accessToken
+	authorization, _ := getAuthorization(apiClient, clientId, clientSecret)
 
 	t.Run("Test FreeTrialNumbersAPIService CreateTrialNumbers", func(t *testing.T) {
 
 		trialNumbers := []string{"0400000001", "0400000002"}
 		createTrialNumbersRequestFreeTrialNumbers := ArrayOfStringAsCreateTrialNumbersRequestFreeTrialNumbers(&trialNumbers)
 		createTrialNumbersRequest := NewCreateTrialNumbersRequest(createTrialNumbersRequestFreeTrialNumbers)
 
-		resp, httpRes, err := apiClient.FreeTrialNumbersAPI.CreateTrialNumbers(context.Background()).
-			ContentType(contentType).
-			Authorization(authorization).
-			Accept(accept).
-			AcceptCharset(acceptCharset).
-			ContentLanguage(contentLanguage).
-			TelstraApiVersion(telstraApiVersion).
-			CreateTrialNumbersRequest(*createTrialNumbersRequest).
-			Execute()
+		trialNumbersApi := apiClient.FreeTrialNumbersAPI.CreateTrialNumbers(context.Background())
+		trialNumbersApi.authorization = &authorization
+
+		resp, httpRes, err := trialNumbersApi.CreateTrialNumbers(*createTrialNumbersRequest)
 
 		if err != nil {
 			fmt.Println("Error:", err)
@@ -81,14 +54,10 @@ func Test_TelstraMessaging_FreeTrialNumbersAPIService(t *testing.T) {
 	t.Run("Test FreeTrialNumbersAPIService GetTrialNumbers", func(t *testing.T) {
 
 		//t.Skip("skip test")
-		resp, httpRes, err := apiClient.FreeTrialNumbersAPI.GetTrialNumbers(context.Background()).
-			Accept(accept).
-			AcceptCharset(acceptCharset).
-			Authorization(authorization).
-			ContentLanguage(contentLanguage).
-			ContentType(contentType).
-			TelstraApiVersion(telstraApiVersion).
-			Execute()
+		trialNumbersApi := apiClient.FreeTrialNumbersAPI.GetTrialNumbers(context.Background())
+		trialNumbersApi.authorization = &authorization
+
+		resp, httpRes, err := trialNumbersApi.GetTrialNumbers()
 
 		if err != nil {
 			fmt.Println("Error:", err)

api_health_check.go

@@ -37,6 +37,8 @@ func (r ApiHealthCheckRequest) TelstraApiVersion(telstraApiVersion string) ApiHe
 }
 
 func (r ApiHealthCheckRequest) Execute() (*HealthCheck200Response, *http.Response, error) {
+	r.telstraApiVersion = new(string)
+	*r.telstraApiVersion = setRequestParams().TelstraApiVersion
 	return r.ApiService.HealthCheckExecute(r)
 }
 
@@ -55,6 +57,10 @@ func (a *HealthCheckAPIService) HealthCheck(ctx context.Context) ApiHealthCheckR
 	}
 }
 
+func (r ApiHealthCheckRequest) HealthCheck() (*HealthCheck200Response, *http.Response, error) {
+	return r.Execute()
+}
+
 // Execute executes the request
 //
 //	@return HealthCheck200Response

api_health_check_test.go

@@ -18,39 +18,21 @@ import (
 func Test_TelstraMessaging_HealthCheckAPIService(t *testing.T) {
 
 	t.Skip("skip test")
-
 	configuration := NewConfiguration()
 	apiClient := NewAPIClient(configuration)
-	telstraApiVersion := "3.1.0"
-	grantType := "client_credentials"
-	scope := "free-trial-numbers:read free-trial-numbers:write messages:read messages:write virtual-numbers:read virtual-numbers:write reports:read reports:write"
 
 	clientId := "YOUR CLIENT ID"
 	clientSecret := "YOUR CLIENT SECRET"
-
-	oauthResult, _, err := apiClient.AuthenticationAPI.AuthToken(context.Background()).
-		ClientId(clientId).
-		ClientSecret(clientSecret).
-		GrantType(grantType).
-		Scope(scope).
-		Execute()
-
-	if err != nil {
-		fmt.Println("Error:", err)
-		return
-	}
-
-	accessToken := *oauthResult.AccessToken
-	authorization := "Bearer " + accessToken
+	authorization, _ := getAuthorization(apiClient, clientId, clientSecret)
 
 	t.Run("Test HealthCheckAPIService HealthCheck", func(t *testing.T) {
 
 		//t.Skip("skip test") // remove to run test
 
-		resp, httpRes, err := apiClient.HealthCheckAPI.HealthCheck(context.Background()).
-			Authorization(authorization).
-			TelstraApiVersion(telstraApiVersion).
-			Execute()
+		healthCheckApi := apiClient.HealthCheckAPI.HealthCheck(context.Background())
+		healthCheckApi.authorization = &authorization
+
+		resp, httpRes, err := healthCheckApi.HealthCheck()
 
 		if err != nil {
 			fmt.Println("Error:", err)