# TestFairy > TestFairy is a mobile app testing and distribution platform (now part of Sauce Labs). Upload iOS/Android builds, distribute them to beta testers, and record video sessions of testers using the app alongside device logs, crash reports, and CPU/memory/network telemetry. It exposes a REST API plus a dedicated Upload API, native and cross-platform SDKs, and CI command-line uploaders. Authentication: HTTP Basic (account email : API key) or OIDC bearer token (Sauce Labs SSO). The API key is on the TestFairy settings page. Versioned by URL path (/api/1/, /api/2/). ## APIs - [TestFairy REST API reference](https://docs.saucelabs.com/testfairy/api-reference/rest-api/): Projects, builds, testers, tester groups, sites, webhooks, feedback, audits, permissions. - [Upload API](https://docs.saucelabs.com/testfairy/api-reference/upload-api/): POST APK/AAB/IPA builds and symbol files. Base: https://mobile.saucelabs.com/api/upload/ (also app.testfairy.com/api/upload). - [Webhooks](https://docs.saucelabs.com/testfairy/api-reference/webhooks/): JSON POST event callbacks (upload, feedback). ## Base URLs - https://mobile.saucelabs.com/api/1/ (US-East-1, primary) - https://mobile.eu-central-1.saucelabs.com/api/1/ (EU-Central-1) - https://api.testfairy.com/api/1/ (legacy) ## SDKs & tools - iOS: CocoaPods `TestFairy` / Swift Package - Android: Gradle plugin (testfairy-gradle-plugin) - React Native: npm `react-native-testfairy` - Flutter: pub.dev `testfairy` - NativeScript: npm `nativescript-testfairy` - Cordova / Unity / Xamarin plugins - CLI: command-line-uploader, testfairy-uploader-cli, testfairy-fetch-sessions - GitHub org: https://github.com/testfairy ## Docs - [Documentation home](https://docs.saucelabs.com/testfairy/) - [Getting started / uploading an app](https://docs.saucelabs.com/testfairy/using-testfairy/uploading-an-app/) - [Managing beta testers](https://docs.saucelabs.com/testfairy/testers/managing-testers/) - [Status page](https://status.saucelabs.com/) - [Trust center / compliance](https://trust.saucelabs.com/) ## Artifacts (API Evangelist enrichment) - authentication/testfairy-authentication.yml - packages/testfairy-packages.yml - cli/testfairy-cli.yml - conventions/testfairy-conventions.yml - lifecycle/testfairy-lifecycle.yml - changelog/testfairy-changelog.yml - errors/testfairy-problem-types.yml - conformance/testfairy-conformance.yml - data-model/testfairy-data-model.yml - mcp/testfairy-mcp.yml - asyncapi/testfairy-webhooks-asyncapi.yml - security/testfairy-domain-security.yml - security/testfairy-trust-center.yml - well-known/testfairy-well-known.yml