Go SDK

package main
import (
	"os"
	usgmclient "github.com/usgm/usgm-go/client"
	"github.com/usgm/usgm-go/option"
)
func main() {
	client := usgmclient.NewClient(
		option.WithToken(os.Getenv("USGM_API_KEY")), // never hard-code the key
	)
	_ = client
}

ctx := context.Background()
// Your account profile
account, err := client.Account.Get(ctx)
if err != nil {
	return err
}
fmt.Println(account.Email)
// List mail, one page at a time (cursor pagination)
var cursor *string
for {
	page, err := client.Mails.List(ctx, &usgm.MailsListRequest{Cursor: cursor})
	if err != nil {
		return err
	}
	for _, mail := range page.Data {
		fmt.Println(mail.ID, mail.MailStatus)
	}
	if page.NextCursor == nil {
		break
	}
	cursor = page.NextCursor
}
// Fetch one item
mail, err := client.Mails.Get(ctx, &usgm.MailsGetRequest{ID: "80421"})
// Create a folder
folder, err := client.Folders.Create(ctx, &usgm.CreateFolderDto{Name: "Taxes"})

_, err := client.Mails.Get(ctx, &usgm.MailsGetRequest{ID: "does-not-exist"})
if err != nil {
	var apiErr *core.APIError
	if errors.As(err, &apiErr) {
		log.Printf("status %d", apiErr.StatusCode)
	}
	return err
}