Go Quickstart

package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	"os"
	"time"
)

const base = "https://api.engium.app/api/v1"

type EngiumClient struct {
	apiKey string
	tenant string
	http   *http.Client
}

func NewClient() *EngiumClient {
	return &EngiumClient{
		apiKey: os.Getenv("ENGIUM_API_KEY"),
		tenant: os.Getenv("ENGIUM_TENANT_ID"),
		http:   &http.Client{Timeout: 30 * time.Second},
	}
}

func (c *EngiumClient) Post(path string, body any) (map[string]any, error) {
	b, _ := json.Marshal(body)
	req, _ := http.NewRequest("POST", base+"/"+path, bytes.NewBuffer(b))
	req.Header.Set("Authorization", "Bearer "+c.apiKey)
	req.Header.Set("X-Tenant-ID",   c.tenant)
	req.Header.Set("Content-Type",  "application/json")

	resp, err := c.http.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	data, _ := io.ReadAll(resp.Body)
	var result map[string]any
	json.Unmarshal(data, &result)
	return result, nil
}

func main() {
	client := NewClient()

	session, err := client.Post("conversations/send", map[string]any{
		"recipient": "+15550102999",
		"channel":   "whatsapp",
		"message":   map[string]string{"text": "Hello from Go! 🐹"},
	})
	if err != nil {
		panic(err)
	}
	fmt.Printf("Session ID : %v\n", session["id"])
	fmt.Printf("Status     : %v\n", session["status"])
}