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HighLevel OAuth2 API Connection Failing - Token Exchange Error on oauth.n8n.cloud/oauth2/callback
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1
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25
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January 18, 2026
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Authenticatinc to Salesforce Sandbox (Testing instance) is not working
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15
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348
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January 17, 2026
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Cannot authenticate on hubspo
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2
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14
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January 14, 2026
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Google OAuth verification rejected – drive.file vs spreadsheets scope (n8n)
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1
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10
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January 12, 2026
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Multi-tenant SaaS + Google nodes: how to use per-user OAuth tokens (dynamic credentials)?
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3
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42
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January 10, 2026
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Issue with Google OAuth2 authentication
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2
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34
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January 8, 2026
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Reddit OAuth works until Approve → n8n OAuth Callback returns 403 Forbidden
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2
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20
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January 7, 2026
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Having trouble connecting my Clickup credentials to n8n
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1
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37
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December 31, 2025
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Google Sheets OAuth2 API credential got “Something went wrong"
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11
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85
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January 5, 2026
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Persistent 403 Forbidden when accessing SharePoint site lists with Microsoft OAuth (Cloud Instance)
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1
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74
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December 29, 2025
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Google OAuth2 API Credential Failing with "OAuth callback state is invalid" Error
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1
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130
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December 29, 2025
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Trouble setting up my OAuth 2 API
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3
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53
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December 27, 2025
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Google OAuth redirect_uri_mismatch on n8n Cloud – inconsistent redirect URIs
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9
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248
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December 27, 2025
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Google OAuth redirect_uri_mismatch on n8n Cloud (Free Trial)
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3
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63
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December 26, 2025
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Gmail Trigger - Refresh Token is Required
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14
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1337
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December 23, 2025
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Problems with Oauth2 API
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2
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81
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December 22, 2025
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Problem in node ‘LinkedIn Publish Post‘ Forbidden - perhaps check your credentials - Status 403?
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2
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69
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December 16, 2025
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Authorizing MCP node with OAuth
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23
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3182
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December 15, 2025
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TikTok OAuth2 Callback Returning 404 on Self-Hosted n8n (Hostinger)
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1
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70
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December 8, 2025
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Using n8n cloud with Microsoft Oauth2
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7
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228
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December 3, 2025
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Dynamic Google OAuth
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5
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38
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November 29, 2025
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Trying to work around Slack OAuth2 missing scopes
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3
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67
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December 5, 2025
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Erreur 400 invalid_request trying to configure N8N (local) with Google OAuth
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3
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115
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November 13, 2025
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Add Native Support for OAuth2 Dynamic Client Registration (DCR)
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0
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55
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November 13, 2025
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Unable to connect Microsoft Sharepoint to n8n
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8
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642
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November 13, 2025
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Amazon SP-API Integration: Any Official or Documented Workflows for Amazon Seller/Vendor Use-Cases in n8n?
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9
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943
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November 10, 2025
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Issue with OAuth2 (PKCE) authentication
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1
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67
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November 5, 2025
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Xero OAuth2: Getting 403 when uploading attachments - how to enable accounting.attachments scope?
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0
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28
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October 26, 2025
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OAuth2 Generic Credential Type Using Returned Auth Token
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3
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66
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October 22, 2025
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Oauth 2- unable to connect
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5
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55
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October 21, 2025
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