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Getting Started

Overview
Authentication

Formstack API v2025.0

Forms
Fields
Folders
Submissions
Partial Submissions
Confirmation Emails
Notification Emails
Portals
Smart Lists
Smart List Options
Subaccounts
Webhooks
Submit Actions
Themes

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/portal/{portalId}/avatar

post

https://www.formstack.com/api/v2025/portal/{portalId}/avatar

Create the portal avatar

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