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API v1
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Update File

Please consider that API 2.0 is now the preferred version to be used. The old API will remain fully functional until the end of 2021.

Crowdin API v2
Upload the latest version of your source files (the ones, that should be localized) to your Crowdin project.

Request

Note: Use the combination of project identifier, username, and account key to pass to this endpoint.

POST https://api.crowdin.com/api/project/{project-identifier}/update-file?login={username}&account-key={account-key}

Parameters

Name Value Description
files required array Files array that should be updated.
Note! 20 files max are allowed to upload per one time file transfer.
titles optional array An arrays of strings that defines titles for uploaded files. Array keys should contain file names with path in Crowdin project.
export_patterns optional array An arrays of strings that defines names of resulted files (translated files in resulted archive). Array keys should contain file names with path in Crowdin project.
new_names optional array An arrays of strings that defines new names for previously imported files. Array keys should contain file names with path in Crowdin project.
first_line_contains_header CSV and XLS/XLSX files only
optional		 string Used when uploading CSV (or XLS/XLSX) files via API. Defines whether first line should be imported or it contains columns headers. May not contain value.
scheme CSV and XLS/XLSX files only
required		 string Note: Used only when uploading CSV (or XLS/XLSX) file to define data columns mapping.
Acceptable value is the combination of the following constants:
  • "identifier" — Column contains string identifier.
  • "source_phrase" — Column contains only source string (in result string will contain same string).
  • "source_or_translation" — Column contains source string but when exporting same column should contain translation (also when uploading existing translations, the value from this column will be used as a translated string).
  • "translation" — Column contains translated string (when imported file already contains translations).
  • "context" — Column contains some comments on source string. Context information.
  • "max_length" — Column contains max. length of translation for this string.
  • "labels" — Column contains labels.
  • "none" — Do not import column.
Example parameter you will have to add: &scheme=identifier,source_or_translation

Note: for exported file to contain translations to all the target languages, specify language codes in scheme (e.g. &scheme=identifier,source_phrase,uk,ru,fr).
update_option optional string Depending on the value, "update_option" is used to preserve translations and preserve/remove validations of changed strings during file update. The values are:
  • "update_as_unapproved" — Preserve translations of changed strings and remove validations of those translations if they exist.
  • "update_without_changes" — Preserve translations and validations of changed strings.
Note: If it is not set translations for changed strings will be lost after file update. Useful for typo fixes and minor changes in source strings.
branch optional string The name of related version branch (Versions Management).
json optional string May not contain value. Defines that response should be in JSON format.
jsonp optional string Callback function name. Defines that response should be in JSONP format.
escape_quotes properties files only
optional		 integer Defines whether single quote should be escaped by another single quote or backslash in exported translations. Acceptable values are: 0, 1, 2, 3. Default is 3.

0 — Do not escape single quote;
1 — Escape single quote by another single quote;
2 — Escape single quote by backslash;
3 — Escape single quote by another single quote only in strings containing variables ( {0} )
Variables
project-identifier string Project identifier.
login string Your username in Crowdin.
account-key string Your account API key.

Response

If successful, this method returns a XML structure, as it is shown below. 
<?xml version="1.0" encoding="UTF-8"?>
<success>
</success>
Unsuccessful response sample: 
<?xml version="1.0" encoding="UTF-8"?>
<error>
  <code>3</code>
  <message>API key is not valid</message>
</error>

Examples

curl \
  -F "files[/directory/strings.xml]=@strings.xml" \
  https://api.crowdin.com/api/project/{project-identifier}/update-file?login={username}&account-key={account-key}
curl \
  -F "files[/directory/android.xml]=@strings.xml" \
  -F "new_names[/directory/android.xml]=strings.xml" \
  https://api.crowdin.com/api/project/{project-identifier}/update-file?login={username}&account-key={account-key}
curl \
  -F "files[directory/multilingual.csv]=@example.csv" \
  -F "export_patterns[directory/multilingual.csv]=/translations/%original_file_name%" \
  -F "titles[directory/multilingual.csv]=Title in Crowdin Project" \
  -F "scheme=identifier,source_phrase,translation" \
  -F "first_line_contains_header=true" \
  https://api.crowdin.com/api/project/{project-identifier}/update-file?login={username}&account-key={account-key}
<?php
$post_params = array();
$request_url = 'https://api.crowdin.com/api/project/{project-identifier}/update-file?login={username}&account-key={account-key}';

if (function_exists('curl_file_create')) {
$post_params['files[test.txt]'] = curl_file_create('/home/user/test.txt');
} else {
$post_params['files[test.txt]'] = '@/home/user/test.txt';
}

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $request_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_params);

$result = curl_exec($ch);
curl_close($ch);

echo $result;
<?php
$post_params = array();
$request_url = 'https://api.crowdin.com/api/project/{project-identifier}/update-file?login={username}&account-key={account-key}';

if (function_exists('curl_file_create')) {
$post_params['files[/directory/android.xml]'] = curl_file_create('/home/user/strings.xml');
} else {
$post_params['files[/directory/android.xml]'] = '@/home/user/strings.xml';
}

$post_params['new_names[/directory/android.xml]'] = 'strings.xml';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $request_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_params);

$result = curl_exec($ch);
curl_close($ch);

echo $result;
<?php
$post_params = array();
$request_url = 'https://api.crowdin.com/api/project/{project-identifier}/update-file?login={username}&account-key={account-key}';

if(function_exists('curl_file_create')) {
$post_params['files[directory/multilingual.csv]'] = curl_file_create('/home/user/example.csv');
} else {
$post_params['files[directory/multilingual.csv]'] = '@/home/user/example.csv';
}

$post_params['export_patterns[directory/multilingual.csv]'] = '/translations/%original_file_name%';
$post_params['titles[directory/multilingual.csv]'] = 'Title in Crowdin Project';
$post_params['scheme'] = 'identifier,source_phrase,translation';
$post_params['first_line_contains_header'] = '';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $request_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_params);

$result = curl_exec($ch);
curl_close($ch);

echo $result;

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