curl --request POST \
  --url https://api.example.com/items/bulk_action \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "action": "transition",
  "filter": {
    "type": "<string>",
    "source": "<string>",
    "tags": [
      "<string>"
    ],
    "since": "<string>",
    "until": "<string>",
    "filter": "<string>"
  },
  "dry_run": true,
  "max_items": 1,
  "emit_events": true
}
'

import requests

url = "https://api.example.com/items/bulk_action"

payload = {
    "action": "transition",
    "filter": {
        "type": "<string>",
        "source": "<string>",
        "tags": ["<string>"],
        "since": "<string>",
        "until": "<string>",
        "filter": "<string>"
    },
    "dry_run": True,
    "max_items": 1,
    "emit_events": True
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    action: 'transition',
    filter: {
      type: '<string>',
      source: '<string>',
      tags: ['<string>'],
      since: '<string>',
      until: '<string>',
      filter: '<string>'
    },
    dry_run: true,
    max_items: 1,
    emit_events: true
  })
};

fetch('https://api.example.com/items/bulk_action', 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.example.com/items/bulk_action",
  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([
    'action' => 'transition',
    'filter' => [
        'type' => '<string>',
        'source' => '<string>',
        'tags' => [
                '<string>'
        ],
        'since' => '<string>',
        'until' => '<string>',
        'filter' => '<string>'
    ],
    'dry_run' => true,
    'max_items' => 1,
    'emit_events' => true
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.example.com/items/bulk_action"

	payload := strings.NewReader("{\n  \"action\": \"transition\",\n  \"filter\": {\n    \"type\": \"<string>\",\n    \"source\": \"<string>\",\n    \"tags\": [\n      \"<string>\"\n    ],\n    \"since\": \"<string>\",\n    \"until\": \"<string>\",\n    \"filter\": \"<string>\"\n  },\n  \"dry_run\": true,\n  \"max_items\": 1,\n  \"emit_events\": true\n}")

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

	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.example.com/items/bulk_action")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"action\": \"transition\",\n  \"filter\": {\n    \"type\": \"<string>\",\n    \"source\": \"<string>\",\n    \"tags\": [\n      \"<string>\"\n    ],\n    \"since\": \"<string>\",\n    \"until\": \"<string>\",\n    \"filter\": \"<string>\"\n  },\n  \"dry_run\": true,\n  \"max_items\": 1,\n  \"emit_events\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/items/bulk_action")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"action\": \"transition\",\n  \"filter\": {\n    \"type\": \"<string>\",\n    \"source\": \"<string>\",\n    \"tags\": [\n      \"<string>\"\n    ],\n    \"since\": \"<string>\",\n    \"until\": \"<string>\",\n    \"filter\": \"<string>\"\n  },\n  \"dry_run\": true,\n  \"max_items\": 1,\n  \"emit_events\": true\n}"

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

{
  "action": "<string>",
  "matched": 123,
  "succeeded": 123,
  "errored": 123,
  "dry_run": true,
  "ids": [
    "<string>"
  ],
  "errors": [
    {
      "id": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ],
  "blob_hashes_referenced": 123
}

{
  "id": "<string>",
  "action": "<string>",
  "status": "queued",
  "matched": 123,
  "processed": 123,
  "succeeded": 123,
  "errored": 123,
  "started_at": "<string>",
  "finished_at": "<string>",
  "error": "<string>",
  "result": {
    "action": "<string>",
    "matched": 123,
    "succeeded": 123,
    "errored": 123,
    "dry_run": true,
    "ids": [
      "<string>"
    ],
    "errors": [
      {
        "id": "<string>",
        "code": "<string>",
        "message": "<string>"
      }
    ],
    "blob_hashes_referenced": 123
  }
}

{
  "error": {
    "code": "validation_error",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "forbidden",
    "message": "<string>",
    "details": {}
  }
}