curl --request POST \
  --url https://{tenant}.chronosphere.io/api/v1/config/dashboards:importFromClassic \
  --header 'API-Token: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "classic_dashboard_json": "<string>",
  "collection_slug": "<string>",
  "dry_run": true,
  "name": "<string>",
  "slug": "<string>",
  "update_if_exists": true
}
'

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://{tenant}.chronosphere.io/api/v1/config/dashboards:importFromClassic"

	payload := strings.NewReader("{\n  \"classic_dashboard_json\": \"<string>\",\n  \"collection_slug\": \"<string>\",\n  \"dry_run\": true,\n  \"name\": \"<string>\",\n  \"slug\": \"<string>\",\n  \"update_if_exists\": true\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("API-Token", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://{tenant}.chronosphere.io/api/v1/config/dashboards:importFromClassic")
  .header("API-Token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"classic_dashboard_json\": \"<string>\",\n  \"collection_slug\": \"<string>\",\n  \"dry_run\": true,\n  \"name\": \"<string>\",\n  \"slug\": \"<string>\",\n  \"update_if_exists\": true\n}")
  .asString();

const options = {
  method: 'POST',
  headers: {'API-Token': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    classic_dashboard_json: '<string>',
    collection_slug: '<string>',
    dry_run: true,
    name: '<string>',
    slug: '<string>',
    update_if_exists: true
  })
};

fetch('https://{tenant}.chronosphere.io/api/v1/config/dashboards:importFromClassic', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{tenant}.chronosphere.io/api/v1/config/dashboards:importFromClassic"

payload = {
    "classic_dashboard_json": "<string>",
    "collection_slug": "<string>",
    "dry_run": True,
    "name": "<string>",
    "slug": "<string>",
    "update_if_exists": True
}
headers = {
    "API-Token": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "dashboard": {
    "name": "<string>",
    "collection": {
      "slug": "<string>",
      "type": "SIMPLE"
    },
    "collection_slug": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "dashboard_json": "<string>",
    "labels": {},
    "slug": "<string>",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "unsupported_features": [
    {
      "detail": "<string>",
      "kind": "<string>",
      "level": "LEVEL_SUPPORTED",
      "message": "<string>",
      "occurrences": 123,
      "panel_keys": [
        "<string>"
      ]
    }
  ]
}

{
  "message": "<string>"
}