curl --request POST \
  --url https://api.select.dev/v2/dashboards/{dashboard_id}/blocks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-tenant-id: <x-tenant-id>' \
  --data '
{
  "config": {
    "query_class": "<string>",
    "title": "<string>",
    "block_type": "big_number",
    "display": {
      "metric": "<string>",
      "previous_period_comparison": "none",
      "comparison_period": "previous_period"
    },
    "description": "",
    "tooltip": "",
    "query_scope": {
      "filters": [],
      "overrides_dashboard_date_range": false,
      "overrides_dashboard_time_grain": false,
      "hide_incomplete_periods": false
    }
  },
  "position": {
    "kind": "append_row",
    "height_px": 123,
    "col_span": 6
  }
}
'

import requests

url = "https://api.select.dev/v2/dashboards/{dashboard_id}/blocks"

payload = {
    "config": {
        "query_class": "<string>",
        "title": "<string>",
        "block_type": "big_number",
        "display": {
            "metric": "<string>",
            "previous_period_comparison": "none",
            "comparison_period": "previous_period"
        },
        "description": "",
        "tooltip": "",
        "query_scope": {
            "filters": [],
            "overrides_dashboard_date_range": False,
            "overrides_dashboard_time_grain": False,
            "hide_incomplete_periods": False
        }
    },
    "position": {
        "kind": "append_row",
        "height_px": 123,
        "col_span": 6
    }
}
headers = {
    "x-tenant-id": "<x-tenant-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-tenant-id': '<x-tenant-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    config: {
      query_class: '<string>',
      title: '<string>',
      block_type: 'big_number',
      display: {
        metric: '<string>',
        previous_period_comparison: 'none',
        comparison_period: 'previous_period'
      },
      description: '',
      tooltip: '',
      query_scope: {
        filters: [],
        overrides_dashboard_date_range: false,
        overrides_dashboard_time_grain: false,
        hide_incomplete_periods: false
      }
    },
    position: {kind: 'append_row', height_px: 123, col_span: 6}
  })
};

fetch('https://api.select.dev/v2/dashboards/{dashboard_id}/blocks', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.select.dev/v2/dashboards/{dashboard_id}/blocks",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'config' => [
        'query_class' => '<string>',
        'title' => '<string>',
        'block_type' => 'big_number',
        'display' => [
                'metric' => '<string>',
                'previous_period_comparison' => 'none',
                'comparison_period' => 'previous_period'
        ],
        'description' => '',
        'tooltip' => '',
        'query_scope' => [
                'filters' => [
                                
                ],
                'overrides_dashboard_date_range' => false,
                'overrides_dashboard_time_grain' => false,
                'hide_incomplete_periods' => false
        ]
    ],
    'position' => [
        'kind' => 'append_row',
        'height_px' => 123,
        'col_span' => 6
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-tenant-id: <x-tenant-id>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.select.dev/v2/dashboards/{dashboard_id}/blocks"

	payload := strings.NewReader("{\n  \"config\": {\n    \"query_class\": \"<string>\",\n    \"title\": \"<string>\",\n    \"block_type\": \"big_number\",\n    \"display\": {\n      \"metric\": \"<string>\",\n      \"previous_period_comparison\": \"none\",\n      \"comparison_period\": \"previous_period\"\n    },\n    \"description\": \"\",\n    \"tooltip\": \"\",\n    \"query_scope\": {\n      \"filters\": [],\n      \"overrides_dashboard_date_range\": false,\n      \"overrides_dashboard_time_grain\": false,\n      \"hide_incomplete_periods\": false\n    }\n  },\n  \"position\": {\n    \"kind\": \"append_row\",\n    \"height_px\": 123,\n    \"col_span\": 6\n  }\n}")

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

	req.Header.Add("x-tenant-id", "<x-tenant-id>")
	req.Header.Add("Authorization", "Bearer <token>")
	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://api.select.dev/v2/dashboards/{dashboard_id}/blocks")
  .header("x-tenant-id", "<x-tenant-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"config\": {\n    \"query_class\": \"<string>\",\n    \"title\": \"<string>\",\n    \"block_type\": \"big_number\",\n    \"display\": {\n      \"metric\": \"<string>\",\n      \"previous_period_comparison\": \"none\",\n      \"comparison_period\": \"previous_period\"\n    },\n    \"description\": \"\",\n    \"tooltip\": \"\",\n    \"query_scope\": {\n      \"filters\": [],\n      \"overrides_dashboard_date_range\": false,\n      \"overrides_dashboard_time_grain\": false,\n      \"hide_incomplete_periods\": false\n    }\n  },\n  \"position\": {\n    \"kind\": \"append_row\",\n    \"height_px\": 123,\n    \"col_span\": 6\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.select.dev/v2/dashboards/{dashboard_id}/blocks")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["x-tenant-id"] = '<x-tenant-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"config\": {\n    \"query_class\": \"<string>\",\n    \"title\": \"<string>\",\n    \"block_type\": \"big_number\",\n    \"display\": {\n      \"metric\": \"<string>\",\n      \"previous_period_comparison\": \"none\",\n      \"comparison_period\": \"previous_period\"\n    },\n    \"description\": \"\",\n    \"tooltip\": \"\",\n    \"query_scope\": {\n      \"filters\": [],\n      \"overrides_dashboard_date_range\": false,\n      \"overrides_dashboard_time_grain\": false,\n      \"hide_incomplete_periods\": false\n    }\n  },\n  \"position\": {\n    \"kind\": \"append_row\",\n    \"height_px\": 123,\n    \"col_span\": 6\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "id": "<string>",
  "config": {
    "query_class": "<string>",
    "title": "<string>",
    "block_type": "big_number",
    "display": {
      "metric": "<string>",
      "previous_period_comparison": "none",
      "comparison_period": "previous_period"
    },
    "description": "",
    "tooltip": "",
    "query_scope": {
      "filters": [],
      "overrides_dashboard_date_range": false,
      "overrides_dashboard_time_grain": false,
      "hide_incomplete_periods": false
    }
  },
  "create_time": "<string>",
  "update_time": "<string>",
  "etag": "<string>"
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}

{
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "code": "validation_failed",
  "retryable": true,
  "type": "about:blank",
  "details": [
    {}
  ]
}