# Uppy / Robodog & Signature Authentication

**URL:** <https://community.transloadit.com/t/uppy-robodog-signature-authentication/15539>\
**Category:** Uppy\
**Created:** [January 4, 2021, 3:51pm UTC](https://community.transloadit.com/t/uppy-robodog-signature-authentication/15539 "2021-01-04T15:51:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![evdama](https://yyz2.discourse-cdn.com/flex032/user_avatar/community.transloadit.com/evdama/32/337_2.png) [@evdama](https://community.transloadit.com/u/evdama)\
**Post date:** [January 4, 2021, 3:51pm UTC](https://community.transloadit.com/t/uppy-robodog-signature-authentication/15539/1 "2021-01-04T15:51:55Z")

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Hi folks,

- I’m going to use Robodog with the Dashboard UI incl. Image Editor to allow users to upload images to my app
- this chain will include a few transloadit robots via an assemply which in the end exports encoded images to google storage (or [edgly](https://transloadit.com/services/content-delivery/file-serve/) if that turns out to be working fine)
- I’ve been reading Uppy & Transloadit docs for the past three days but there’s one thing I’m not sure I grasp entirely yet: Signature Authentication

1. **My use case is user uploads via Uppy** , not from existing images in one of my backend service storage buckets such as google storage or AWS S3: do I need or does it make sense, and if so, is it possible to use signature authentication for user uploads through Uppy?
2. where do I find info on Uppy in combination with signature authentication? I’ve asked google quite a bit and also read [Integration Docs | Transloadit](https://transloadit.com/docs/#signature-authentication) but afaict what’s described/explained there is uploading existing data to transloadit from one of my backend buckets but not the use case where I’m dealing with ad-hoc user uploads to transloadit 🤔

Cheers,  
evdama