App Install Callbacks Missing Parameters

App Install Callbacks Missing Parameters

evan99
Shopify Partner
2 0 0

Hello,

I'm experiencing a problem with the OAuth installation flow for my app on the Shopify App Store. We have OAuth implemented according to this guide. Install works almost all the time, however, we've noticed that our install and post-install redirect endpoints are sometimes getting hit without the required parameters (hmac, shop, etc. -- the querystring is empty). Is there any known reason this may be happening? 

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