diff --git a/libs/transit/transitous/client.go b/libs/transit/transitous/client.go
new file mode 100644
index 0000000..a6dceae
--- /dev/null
+++ b/libs/transit/transitous/client.go
@@ -0,0 +1,105 @@
+package transitous
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/rs/zerolog/log"
+)
+
+// Client represents a Transitous API client
+type Client struct {
+	baseURL    string
+	httpClient *http.Client
+}
+
+// NewClient creates a new Transitous client
+func NewClient(baseURL string) *Client {
+	return &Client{
+		baseURL: baseURL,
+		httpClient: &http.Client{
+			Timeout: 30 * time.Second,
+		},
+	}
+}
+
+// PlanParams represents the parameters for route planning
+type PlanParams struct {
+	FromPlace string
+	ToPlace   string
+	Time      *time.Time
+}
+
+// PlanResponse represents the response from the Transitous API
+type PlanResponse struct {
+	Itineraries []Itinerary `json:"itineraries"`
+}
+
+// PlanWithResponse plans a route and returns the response
+func (c *Client) PlanWithResponse(ctx context.Context, params *PlanParams) (*TransitousResponse, error) {
+	// Build URL with query parameters
+	u, err := url.Parse(fmt.Sprintf("%s/api/v4/plan", c.baseURL))
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse base URL: %w", err)
+	}
+
+	query := u.Query()
+	query.Set("fromPlace", params.FromPlace)
+	query.Set("toPlace", params.ToPlace)
+
+	if params.Time != nil {
+		// Use ISO 8601 format with timezone like in the example
+		query.Set("time", params.Time.Format(time.RFC3339))
+	}
+
+	// Additional parameters matching the example
+	query.Set("withFares", "true")
+	query.Set("fastestDirectFactor", "1.5")
+	query.Set("joinInterlinedLegs", "false")
+	query.Set("maxMatchingDistance", "250")
+	query.Set("arriveBy", "true")
+
+	u.RawQuery = query.Encode()
+
+	// Create HTTP request
+	req, err := http.NewRequestWithContext(ctx, "GET", u.String(), nil)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create request: %w", err)
+	}
+
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("User-Agent", "COOPGO-Platform/1.0")
+
+	log.Debug().
+		Str("url", u.String()).
+		Msg("Making Transitous API request")
+
+	// Execute request
+	resp, err := c.httpClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("API request failed with status %d", resp.StatusCode)
+	}
+
+	// Parse response
+	var transitousResponse TransitousResponse
+	if err := json.NewDecoder(resp.Body).Decode(&transitousResponse); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+
+	log.Debug().
+		Str("from", params.FromPlace).
+		Str("to", params.ToPlace).
+		Int("itineraries", len(transitousResponse.Itineraries)).
+		Msg("Transitous API response received")
+
+	return &transitousResponse, nil
+}
\ No newline at end of file
diff --git a/libs/transit/transitous/types.go b/libs/transit/transitous/types.go
new file mode 100644
index 0000000..eecc94e
--- /dev/null
+++ b/libs/transit/transitous/types.go
@@ -0,0 +1,86 @@
+package transitous
+
+import "time"
+
+// TransitousResponse represents the top-level response from Transitous API
+type TransitousResponse struct {
+	RequestParameters map[string]interface{} `json:"requestParameters"`
+	DebugOutput      map[string]interface{} `json:"debugOutput"`
+	From             Place                  `json:"from"`
+	To               Place                  `json:"to"`
+	Direct           []interface{}          `json:"direct"`
+	Itineraries      []Itinerary           `json:"itineraries"`
+	PreviousPageCursor string              `json:"previousPageCursor,omitempty"`
+	NextPageCursor     string              `json:"nextPageCursor,omitempty"`
+}
+
+// Itinerary represents a complete journey from origin to destination
+type Itinerary struct {
+	StartTime time.Time `json:"startTime"`
+	EndTime   time.Time `json:"endTime"`
+	Duration  int       `json:"duration"` // Duration in seconds
+	Legs      []Leg     `json:"legs"`
+}
+
+// Leg represents a single segment of a journey
+type Leg struct {
+	Mode           string    `json:"mode"`           // WALK, BUS, TRAIN, etc.
+	StartTime      time.Time `json:"startTime"`
+	EndTime        time.Time `json:"endTime"`
+	Duration       int       `json:"duration"`       // Duration in seconds
+	Distance       float64   `json:"distance"`       // Distance in meters
+	From           Place     `json:"from"`
+	To             Place     `json:"to"`
+	Route          *Route    `json:"route,omitempty"`
+	AgencyName     string    `json:"agencyName,omitempty"`
+	Headsign       string    `json:"headsign,omitempty"`
+	RouteShortName string    `json:"routeShortName,omitempty"`
+	RouteColor     string    `json:"routeColor,omitempty"`
+	RouteTextColor string    `json:"routeTextColor,omitempty"`
+}
+
+// Place represents a location (stop, station, or coordinate)
+type Place struct {
+	Name      string  `json:"name"`
+	Lat       float64 `json:"lat"`
+	Lon       float64 `json:"lon"`
+	StopId    string  `json:"stopId,omitempty"`
+	StopCode  string  `json:"stopCode,omitempty"`
+}
+
+// Route represents a transit route
+type Route struct {
+	AgencyName     string `json:"agencyName"`
+	ShortName      string `json:"shortName"`
+	LongName       string `json:"longName"`
+	Type           int    `json:"type"`
+	Color          string `json:"color"`
+	TextColor      string `json:"textColor"`
+	Url            string `json:"url,omitempty"`
+}
+
+// Agency represents a transit agency
+type Agency struct {
+	Id       string `json:"id"`
+	Name     string `json:"name"`
+	Url      string `json:"url"`
+	Timezone string `json:"timezone"`
+	Lang     string `json:"lang,omitempty"`
+	Phone    string `json:"phone,omitempty"`
+}
+
+// Stop represents a transit stop or station
+type Stop struct {
+	Id             string  `json:"id"`
+	Code           string  `json:"code,omitempty"`
+	Name           string  `json:"name"`
+	Description    string  `json:"description,omitempty"`
+	Lat            float64 `json:"lat"`
+	Lon            float64 `json:"lon"`
+	ZoneId         string  `json:"zoneId,omitempty"`
+	Url            string  `json:"url,omitempty"`
+	LocationType   int     `json:"locationType,omitempty"`
+	ParentStation  string  `json:"parentStation,omitempty"`
+	Timezone       string  `json:"timezone,omitempty"`
+	WheelchairBoarding int `json:"wheelchairBoarding,omitempty"`
+}
\ No newline at end of file