Create an import upload session

curl --request POST \
  --url https://api.gratona.com/v1/admin/import_files/{program_id}/upload-sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "import_type": "photos",
  "type": "entity",
  "files": [
    {
      "name": "recipient-42.jpg",
      "size_bytes": 102400,
      "mime_type": "image/jpeg",
      "relative_path": "photos/recipient-42.jpg"
    }
  ]
}
'

import requests

url = "https://api.gratona.com/v1/admin/import_files/{program_id}/upload-sessions"

payload = {
    "import_type": "photos",
    "type": "entity",
    "files": [
        {
            "name": "recipient-42.jpg",
            "size_bytes": 102400,
            "mime_type": "image/jpeg",
            "relative_path": "photos/recipient-42.jpg"
        }
    ]
}
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({
    import_type: 'photos',
    type: 'entity',
    files: [
      {
        name: 'recipient-42.jpg',
        size_bytes: 102400,
        mime_type: 'image/jpeg',
        relative_path: 'photos/recipient-42.jpg'
      }
    ]
  })
};

fetch('https://api.gratona.com/v1/admin/import_files/{program_id}/upload-sessions', 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.gratona.com/v1/admin/import_files/{program_id}/upload-sessions",
  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([
    'import_type' => 'photos',
    'type' => 'entity',
    'files' => [
        [
                'name' => 'recipient-42.jpg',
                'size_bytes' => 102400,
                'mime_type' => 'image/jpeg',
                'relative_path' => 'photos/recipient-42.jpg'
        ]
    ]
  ]),
  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.gratona.com/v1/admin/import_files/{program_id}/upload-sessions"

	payload := strings.NewReader("{\n  \"import_type\": \"photos\",\n  \"type\": \"entity\",\n  \"files\": [\n    {\n      \"name\": \"recipient-42.jpg\",\n      \"size_bytes\": 102400,\n      \"mime_type\": \"image/jpeg\",\n      \"relative_path\": \"photos/recipient-42.jpg\"\n    }\n  ]\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.gratona.com/v1/admin/import_files/{program_id}/upload-sessions")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"import_type\": \"photos\",\n  \"type\": \"entity\",\n  \"files\": [\n    {\n      \"name\": \"recipient-42.jpg\",\n      \"size_bytes\": 102400,\n      \"mime_type\": \"image/jpeg\",\n      \"relative_path\": \"photos/recipient-42.jpg\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.gratona.com/v1/admin/import_files/{program_id}/upload-sessions")

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  \"import_type\": \"photos\",\n  \"type\": \"entity\",\n  \"files\": [\n    {\n      \"name\": \"recipient-42.jpg\",\n      \"size_bytes\": 102400,\n      \"mime_type\": \"image/jpeg\",\n      \"relative_path\": \"photos/recipient-42.jpg\"\n    }\n  ]\n}"

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

{
  "upload_session_id": "550e8400-e29b-41d4-a716-446655440000",
  "expires_at": "2026-10-21T10:00:00Z",
  "max_parallel_uploads": 3,
  "files": [
    {
      "file_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "original_name": "<string>",
      "relative_path": "<string>",
      "temporary_key": "<string>",
      "upload_url": "<string>",
      "headers": {
        "Content-Type": "image/jpeg"
      }
    }
  ]
}

{
  "message": "Unauthorized",
  "status": "error"
}

{
  "message": "Not Found",
  "status": "error"
}

{
  "errors": {},
  "status": "error",
  "message": "The given data was invalid."
}