diff --git a/.github/actions/setup-go/action.yml b/.github/actions/setup-go/action.yml
new file mode 100644
index 0000000..edc4fe1
--- /dev/null
+++ b/.github/actions/setup-go/action.yml
@@ -0,0 +1,23 @@
+name: Setup Go
+description: Configure git auth and install Go
+
+inputs:
+  gh-token:
+    description: GitHub token for private module access
+    required: true
+  cache:
+    description: Whether to enable Go module caching
+    required: false
+    default: "true"
+
+runs:
+  using: composite
+  steps:
+    - name: Setup git
+      shell: bash
+      run: git config --global url."https://${{ inputs.gh-token }}@github.com/".insteadOf "https://github.com/"
+
+    - uses: actions/setup-go@v5
+      with:
+        go-version-file: go.mod
+        cache: ${{ inputs.cache }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..25270ad
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+env:
+  GOPRIVATE: github.com/teamwork/*
+  LANG: en_US.UTF-8
+  GO_VERSION: "1.26"
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ./.github/actions/setup-go
+        with:
+          gh-token: ${{ secrets.GH_TOKEN }}
+          cache: "false"
+
+      - uses: golangci/golangci-lint-action@v9
+        with:
+          version: latest
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ./.github/actions/setup-go
+        with:
+          gh-token: ${{ secrets.GH_TOKEN }}
+
+      - name: Run tests
+        run: go test -race -count=1 ./...
diff --git a/api/api.go b/api/api.go
index 7c1b497..de8dfa0 100644
--- a/api/api.go
+++ b/api/api.go
@@ -32,7 +32,9 @@ func Call[T any, R any, L any](ctx context.Context, service Service[T, R, L], ac
 			log.Fatal(err)
 		}
 
-		enc.Encode(item)
+		if err := enc.Encode(item); err != nil {
+			log.Fatal(err)
+		}
 
 	case "list":
 		items, err := service.List(ctx, nil)
@@ -40,7 +42,9 @@ func Call[T any, R any, L any](ctx context.Context, service Service[T, R, L], ac
 			log.Fatal(err)
 		}
 
-		enc.Encode(items)
+		if err := enc.Encode(items); err != nil {
+			log.Fatal(err)
+		}
 
 	case "create":
 		item := createItem()
@@ -50,7 +54,9 @@ func Call[T any, R any, L any](ctx context.Context, service Service[T, R, L], ac
 			return
 		}
 
-		enc.Encode(created)
+		if err := enc.Encode(created); err != nil {
+			log.Fatal(err)
+		}
 
 	case "update":
 		if id == 0 {
@@ -62,7 +68,9 @@ func Call[T any, R any, L any](ctx context.Context, service Service[T, R, L], ac
 			log.Print(err)
 			return
 		}
-		enc.Encode(updated)
+		if err := enc.Encode(updated); err != nil {
+			log.Fatal(err)
+		}
 
 	default:
 		log.Fatalf("Unsupported action: %s", action)
diff --git a/client/file.go b/client/file.go
index ea1f61c..332642b 100644
--- a/client/file.go
+++ b/client/file.go
@@ -93,7 +93,9 @@ func (s *FileService) Upload(ctx context.Context, file *models.FileResponse, f [
 		return fmt.Errorf("copy file data: %w", err)
 	}
 
-	writer.Close()
+	if err := writer.Close(); err != nil {
+		return fmt.Errorf("close multipart writer: %w", err)
+	}
 
 	uploadURL := ""
 	if file.URL != nil {
@@ -110,7 +112,7 @@ func (s *FileService) Upload(ctx context.Context, file *models.FileResponse, f [
 	if err != nil {
 		return err
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusNoContent && resp.StatusCode != http.StatusCreated && resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
diff --git a/client/helpdocarticles.go b/client/helpdocarticles.go
index 35a3ce0..953a20d 100644
--- a/client/helpdocarticles.go
+++ b/client/helpdocarticles.go
@@ -2,20 +2,26 @@ package client
 
 import (
 	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
 	"net/url"
 
+	"github.com/sonh/qs"
 	"github.com/teamwork/desksdkgo/models"
 )
 
 // HelpDocArticleService handles help doc article-related operations
 type HelpDocArticleService struct {
 	*Service[models.HelpDocArticleResponse, models.HelpDocArticlesResponse]
+	client *Client
 }
 
 // NewHelpDocArticleService creates a new help doc article service
 func NewHelpDocArticleService(client *Client) *HelpDocArticleService {
 	return &HelpDocArticleService{
 		Service: NewService[models.HelpDocArticleResponse, models.HelpDocArticlesResponse](client, NewDefaultPathHandler("helpdocssites/helpdocarticles")),
+		client:  client,
 	}
 }
 
@@ -38,3 +44,35 @@ func (s *HelpDocArticleService) Create(ctx context.Context, article *models.Help
 func (s *HelpDocArticleService) Update(ctx context.Context, id int, article *models.HelpDocArticleResponse) (*models.HelpDocArticleResponse, error) {
 	return s.Service.Update(ctx, id, article)
 }
+
+// Search searches for help doc articles based on filter parameters
+func (s *HelpDocArticleService) Search(ctx context.Context, filter *models.SearchHelpdocsFilter) (*models.HelpDocArticlesResponse, error) {
+	encoder := qs.NewEncoder()
+	values, err := encoder.Values(filter)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet,
+		fmt.Sprintf("%s/search/helpdocs.json?%s", s.client.baseURL, values.Encode()), nil)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := s.client.doRequest(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("unexpected status code: %d", resp.StatusCode)
+	}
+
+	var resources models.HelpDocArticlesResponse
+	if err := json.NewDecoder(resp.Body).Decode(&resources); err != nil {
+		return nil, err
+	}
+
+	return &resources, nil
+}
diff --git a/client/messages.go b/client/messages.go
index 74f80fb..7cb474e 100644
--- a/client/messages.go
+++ b/client/messages.go
@@ -74,7 +74,7 @@ func (s *MessageService) CreateForTicket(ctx context.Context, ticketID int, mess
 	if err != nil {
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusCreated && resp.StatusCode != http.StatusOK {
 		b, err := io.ReadAll(resp.Body)
diff --git a/client/resource.go b/client/resource.go
index 044abdf..9aeb0db 100644
--- a/client/resource.go
+++ b/client/resource.go
@@ -60,7 +60,7 @@ func (s *Service[T, L]) Get(ctx context.Context, id int, params url.Values) (*T,
 		s.logError("request failed", slog.Any("error", err), slog.String("method", http.MethodGet), slog.String("url", req.URL.String()))
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
@@ -100,7 +100,7 @@ func (s *Service[T, L]) List(ctx context.Context, params url.Values) (*L, error)
 		s.logError("request failed", slog.Any("error", err), slog.String("method", http.MethodGet), slog.String("url", req.URL.String()))
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
@@ -146,7 +146,7 @@ func (s *Service[T, L]) Create(ctx context.Context, resource *T) (*T, error) {
 		s.logError("request failed", slog.Any("error", err), slog.String("method", http.MethodPost), slog.String("url", req.URL.String()))
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusCreated && resp.StatusCode != http.StatusOK {
 		b, err := io.ReadAll(resp.Body)
@@ -209,7 +209,7 @@ func (s *Service[T, L]) Update(ctx context.Context, id int, resource *T) (*T, er
 		s.logError("request failed", slog.Any("error", err), slog.String("method", method), slog.String("url", req.URL.String()))
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
diff --git a/client/tickets.go b/client/tickets.go
index 0f398d6..fcf3d61 100644
--- a/client/tickets.go
+++ b/client/tickets.go
@@ -55,7 +55,7 @@ func (s *TicketService) Search(ctx context.Context, filter *models.SearchTickets
 	if err != nil {
 		return nil, err
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		return nil, fmt.Errorf("unexpected status code: %d", resp.StatusCode)
diff --git a/go.mod b/go.mod
index 2b08694..0c83631 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/teamwork/desksdkgo
 
-go 1.24.2
+go 1.26
 
 require (
 	github.com/brianvoe/gofakeit/v7 v7.2.1
diff --git a/main.go b/main.go
index 9491dff..b21bf1b 100644
--- a/main.go
+++ b/main.go
@@ -122,7 +122,9 @@ func generateData(
 				}
 				enc := json.NewEncoder(os.Stdout)
 				enc.SetIndent("", "  ")
-				enc.Encode(resp)
+				if err := enc.Encode(resp); err != nil {
+					log.Fatalf("Failed to encode response: %v", err)
+				}
 				return
 			}
 			api.Call(ctx, c.Tickets, action, id, func() *models.TicketResponse {
@@ -328,7 +330,9 @@ func generateData(
 				log.Fatalf("Failed to upload file: %v", err)
 			}
 
-			enc.Encode(resp)
+			if err := enc.Encode(resp); err != nil {
+				log.Fatalf("Failed to encode response: %v", err)
+			}
 		case "spamlists":
 			api.Call(ctx, c.Spamlists, action, id, func() *models.SpamlistResponse {
 				resp := &models.SpamlistResponse{Spamlist: models.Spamlist{
diff --git a/models/helpdocarticle.go b/models/helpdocarticle.go
index 9f19d1d..5299b2f 100644
--- a/models/helpdocarticle.go
+++ b/models/helpdocarticle.go
@@ -1,5 +1,15 @@
 package models
 
+type SearchHelpdocsFilter struct {
+	Search     string   `qs:"search,omitempty"`
+	SiteID     int64    `qs:"siteId,omitempty"`
+	Status     string   `qs:"status,omitempty"`
+	CategoryID int64    `qs:"categoryId,omitempty"`
+	Page       int      `qs:"page,omitempty"`
+	PageSize   int      `qs:"pageSize,omitempty"`
+	Includes   []string `qs:"includes,omitempty"`
+}
+
 type HelpDocArticle struct {
 	BaseEntity
 	Helpdocsite     EntityRef `json:"helpdocsite"`