A Swift SDK for WeTransfer’s public API

What's New



Updated SDK to support v2 of the WeTransfer Public API which now distinguishes transfers and boards. Read more about it here.


A Swift SDK for WeTransfer’s public API

Build Status License Carthage compatible CocoaPods Compatible Platform

For your API key and additional info please visit our developer portal.


  • Create and upload a transfer from a single method call
  • Seperate methods for each seperate step in the process
  • Cancelling and resuming uploads


  • iOS 9.0+ / macOS 10.10+
  • Xcode 9.4+
  • Swift 4.2+



Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks.

You can install Carthage with Homebrew using the following command:

$ brew update
$ brew install carthage

To integrate WeTransfer into your Xcode project using Carthage, specify it in your Cartfile:

github "WeTransfer/WeTransfer-Swift-SDK" ~> 2.0

Run carthage update to build the framework and drag the built WeTransfer.framework into your Xcode project.

Swift Package Manager

The Swift Package Manager is a tool for automating the distribution of Swift code and is integrated into the swift compiler.

Once you have your Swift package set up, adding the WeTransfer SDK as a dependency is as easy as adding it to the dependencies value of your Package.swift.

Swift 4

dependencies: [
    .package(url: "https://github.com/Alamofire/WeTransfer-Swift-SDK.git", from: "2.0")

Note: Running swift test doesn’t work currently as Swift packages can’t have resources in their test targets.


CocoaPods is a dependency manager for Cocoa projects.

To integrate the WeTransfer Swift SDK into your Xcode project using CocoaPods, specify it in your Podfile:

source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '10.0'

target '<Your Target Name>' do
    pod 'WeTransfer-Swift-SDK', '>= 2.0'

Then, run the following command:

$ pod install


Before the SDK can do anything with the WeTransfer API, it needs to be authenticated with an API key. You can create an API key at the developer portal

  1. Configure the client Create a configuration with your API key
let configuration = WeTransfer.Configuration(apiKey: "YOUR_API_KEY")
WeTransfer.configure(with: configuration)
  1. Uploading files with a new transfer Creating a transfer and uploading files to it can be done with one method call, WeTransfer.uploadTransfer. Files in the SDK are represented by File objects, but this convenience methods expects an array of URLs pointing to files on your device. In the stateChanged closure you’re updated about things like the upload progress or whether is has completed or failed
let files = [...]
WeTransfer.uploadTransfer(saying: "Transfer Name", containing: files) { state in
    switch state {
    case .created(let transfer):
        print("Transfer created")
    case .uploading(let progress):
        print("Transfer uploading")
    case .completed(let transfer):
        print("Upload completed")
    case .failed(let error):
        XCTFail("Transfer failed: \(error.localizedDescription)")

Sample Application

WeTransfer Swift SDK Sample Application

Included with the project is a neat little sample application that shows a possible use case for the SDK. It allows for photos and videos to be added to a transfer and shows the upload progress for the whole transfer, aAfter which the URL can be shared.


We recommend checking out the contribution guide for a full run-through of how to get started, but in short:

  • If you found a bug, open an issue.
  • If you have a feature request, open an issue.
  • If you want to contribute, submit a pull request.


The WeTransfer Swift SDK is available under the MIT license. See the LICENSE file for more info.

Code of Conduct

Everyone interacting in the WeTransfer Swift SDK project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct


  • Swift Tools 4.0.0
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Last updated: Sat Mar 18 2023 00:39:11 GMT-0500 (GMT-05:00)