HubSpot's Optional OAuth Scopes: A Community Deep Dive into Custom Channel Permissions
Hey there, ESHOPMAN community! As your go-to experts for all things HubSpot and e-commerce, we love diving into the nitty-gritty details of how the platform works. Sometimes, that means digging into a HubSpot Community thread that uncovers a curious bug or an unexpected behavior. Today, we're talking about something crucial for anyone building or using custom apps with HubSpot: OAuth scopes and how they should behave.
Imagine you're building a fantastic integration – perhaps connecting your ESHOPMAN storefront with HubSpot's custom channels for seamless customer service. You've meticulously defined your app's permissions, marking some as 'required' and others as 'optional.' You'd expect HubSpot to handle those optional permissions gracefully, right? Especially if a user's HubSpot portal doesn't have access to the underlying feature.
The Case of the 'Required' Optional Scopes
That's exactly what one community member, the original poster, ran into recently. They were setting up a Public App with Advanced Auth enabled and had carefully listed their required and optional OAuth scopes. Their setup looked something like this:
Required scopes:
- oauth
- crm.objects.contacts.read
- crm.objects.contacts.write
- crm.objects.companies.read
- crm.objects.companies.write
- crm.objects.deals.read
- crm.objects.deals.write
- crm.objects.owners.read
- conversations.read
- conversations.write
- tickets
Optional scopes:
- conversations.custom_channels.read
- conversations.custom_channels.write
They even included the optional_scope parameter in their OAuth URL, like so:
https://app.hubspot.com/oauth/authorize?...&scope=...&opti
According to HubSpot's own OAuth documentation, if a HubSpot account (or 'portal') doesn't have access to a feature linked to an optional scope, the app installation should still succeed. Those specific optional scopes would simply not be granted. This is incredibly useful for developers aiming to make their apps compatible across different HubSpot tiers, from free to enterprise.
However, the original poster found that when trying to install their app into a Free portal (which, predictably, doesn't have access to Custom Channels), the installation failed. The error message was clear, but confusing:
Authorization failed because your account lacks access to the required scopes [conversations.custom_channels.read, conversations.custom_channels.write].
Notice the key word there: required. HubSpot was treating scopes explicitly configured and requested as optional as if they were required. This completely blocked installation for users on lower-tier plans. Here's a visual representation of what they were seeing:

HubSpot's Confirmation and the Mysterious Fix
A HubSpot team member quickly jumped into the thread, confirming that this was indeed not the expected behavior. They reiterated that optional scopes should be skipped if a portal lacks access, ensuring a smooth installation process. They promised to investigate internally and reach out for more details.
Then came the interesting twist. A few days later, the original poster updated the thread:
it’s works now, we didn’t change anything — I don’t know whether it’s because HubSpot’s changes to the settings need some time to take effect.
Anyway, it’s working now.
Without any action from the developer, the issue resolved itself. This strongly suggests a backend fix or a configuration adjustment on HubSpot's side that simply took some time to propagate across their systems.
What This Means for E-commerce, RevOps, and HubSpot Users
For ESHOPMAN users, RevOps professionals, and marketers running stores on HubSpot, this community discussion highlights a few critical points:
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Testing Across Tiers is Crucial: If you're building or implementing an app, always test its installation and functionality across different HubSpot subscription levels (Free, Starter, Professional, Enterprise) if your target audience spans them. What works in your dev portal might not work elsewhere.
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The Importance of Optional Scopes: Properly using optional scopes allows your app to be more flexible and widely adoptable. It ensures that users on various HubSpot plans can still benefit from your integration, even if they don't have access to every single feature your app might leverage.
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HubSpot's Platform Stability: While unexpected bugs can occur, HubSpot's quick internal resolution demonstrates their commitment to platform stability. However, it also reminds us that sometimes, issues might resolve themselves without clear communication, which can be frustrating for developers in the thick of it.
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Choosing the Right Platform: When you're looking for the best website builder for retail store, the integration capabilities and reliability with your CRM (like HubSpot) are paramount. Issues like this, even if resolved, underscore the need for a robust platform that handles permissions and integrations gracefully, ensuring your e-commerce operations run smoothly.
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Leverage the Community: The HubSpot Community is an invaluable resource. Reporting bugs, asking questions, and sharing experiences not only helps you find solutions but also contributes to the overall improvement of the HubSpot ecosystem.
ESHOPMAN Team Comment
This thread perfectly illustrates the occasional quirks of platform development. While it's great that HubSpot fixed the issue quickly on their end, the lack of transparency about the fix can be challenging for developers. It reinforces our belief at ESHOPMAN that deep, reliable integration with HubSpot should be as seamless as possible, shielding our users from these underlying complexities. We champion solutions that just work, allowing you to focus on selling, not debugging OAuth.
So, if you ever run into a head-scratcher like this, don't hesitate to lean on the HubSpot Community. And remember, for a storefront that truly speaks HubSpot's language, ESHOPMAN is here to ensure your e-commerce and CRM work in perfect harmony, no matter the OAuth scope drama.