diff --git a/client.go b/client.go
new file mode 100644
index 0000000..ce2c7c2
--- /dev/null
+++ b/client.go
@@ -0,0 +1,99 @@
+package sequence_client
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/valyala/fasthttp"
+	"strings"
+)
+
+type RequestData struct {
+	Type  string `json:"type"`
+	Limit string `json:"limit"`
+}
+
+type ResponseStatus struct {
+	Code    int    `json:"code"`
+	Message string `json:"message"`
+}
+
+type Response struct {
+	Status ResponseStatus  `json:"status"`
+	Data   json.RawMessage `json:"data"`
+}
+
+type Client struct {
+	BaseURL    string
+	XApiKey    string
+	HTTPClient *fasthttp.Client
+}
+
+func NewClient(baseURL, xApiKey string) *Client {
+	return &Client{
+		BaseURL:    baseURL,
+		XApiKey:    xApiKey,
+		HTTPClient: &fasthttp.Client{},
+	}
+}
+
+func (c *Client) GetSequence(requestData RequestData, action string) (interface{}, error) {
+	var url string
+	requestBody, err := json.Marshal(requestData)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal request data: %w", err)
+	}
+
+	for {
+		if strings.ToUpper(action) == "INC" {
+			url = fmt.Sprintf("%s/v1/sequence/inc", c.BaseURL)
+			break
+		}
+		if strings.ToUpper(action) == "SKIP" {
+			url = fmt.Sprintf("%s/v1/sequence/skip", c.BaseURL)
+			break
+		}
+		return nil, fmt.Errorf("invalid action")
+	}
+
+	req := fasthttp.AcquireRequest()
+	defer fasthttp.ReleaseRequest(req)
+
+	req.SetRequestURI(url)
+	req.Header.SetMethod("PUT")
+	req.Header.SetContentType("application/json")
+	req.Header.Set("x-api-key", c.XApiKey)
+	req.SetBody(requestBody)
+
+	resp := fasthttp.AcquireResponse()
+	defer fasthttp.ReleaseResponse(resp)
+
+	if err := c.HTTPClient.Do(req, resp); err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+
+	if resp.StatusCode() != fasthttp.StatusOK {
+		return nil, fmt.Errorf("server returned status %d: %s", resp.StatusCode(), string(resp.Body()))
+	}
+
+	var response Response
+	if err := json.Unmarshal(resp.Body(), &response); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+
+	if response.Status.Code != 0 {
+		return nil, fmt.Errorf("server returned error: %s", response.Status.Message)
+	}
+	var dataAsSlice []string
+	if err := json.Unmarshal(response.Data, &dataAsSlice); err == nil {
+		return dataAsSlice, nil
+	}
+
+	var dataAsMap map[string]string
+	if err := json.Unmarshal(response.Data, &dataAsMap); err == nil {
+		return dataAsMap, nil
+	}
+
+	return nil, errors.New("unexpected data format in response")
+
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..d43c865
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,10 @@
+module desslylab.com/evgeny_rudakov/packages
+
+go 1.23.2
+
+require (
+	github.com/andybalholm/brotli v1.1.1 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.58.0 // indirect
+)
diff --git a/sequenceClient_example.go b/sequenceClient_example.go
new file mode 100644
index 0000000..8ca0079
--- /dev/null
+++ b/sequenceClient_example.go
@@ -0,0 +1,34 @@
+package sequence_client
+
+/*package main
+
+import (
+	"fmt"
+	sequenceClient "sequence_client"
+)
+
+func main() {
+
+	client := sequenceClient.NewClient("http://localhost:20000/v1", "x-api-key")
+	var reqData sequenceClient.RequestData
+	reqData.Action = "INC"
+	reqData.Type = "HEX__SEQ256_RND256_TYPE8"
+	reqData.Limit = "2"
+
+	sliIDs, err := client.GetSequence(reqData)
+	if err != nil {
+		fmt.Printf("[ERROR] get sequence %v\n", err)
+		return
+	}
+	fmt.Printf("Get Sequence: %v\n", sliIDs)
+	reqData.Action = "SKIP"
+	reqData.Type = "HEX__SEQ256_RND256_TYPE8"
+	reqData.Limit = "3"
+	respData, err := client.GetSequence(reqData)
+	if err != nil {
+		fmt.Printf("[ERROR] get sequence %v\n", err)
+		return
+	}
+	fmt.Printf("Get Sequence: %v\n", respData)
+}
+*/