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Reliable Reddit subreddit search with OAuth2 API authentication

n8nn8n5 modulesv1.0
aggregateexecuteWorkflowTriggerhttpRequestsetsplitOut

Since the Get Many Subreddit node often blocks requests because Reddit requires proper authentication headers, this workflow provides a reliable alternative. It uses the Reddit OAuth2 API through the HTTP Request node, processes the results, and outputs cleaned subreddit data. If you are using Get Many subreddit node and you are getting this error: n8n You've been blocked by network security.To continue, log in to your Reddit account or use your developer token Usecase: This is especially useful

At a glance

Reliable Reddit subreddit search with OAuth2 API authentication is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects aggregate, executeWorkflowTrigger, httpRequest, set. It's free to download. Follow the 5-step import below to go live in minutes.

Platform
n8n
Connects
aggregate, executeWorkflowTrigger, httpRequest, set, splitOut
Modules
5
Price
Free
Version
v1.0
Reliable Reddit subreddit search with OAuth2 API authentication workflow diagram

About this workflow

Since the Get Many Subreddit node often blocks requests because Reddit requires proper authentication headers, this workflow provides a reliable alternative. It uses the Reddit OAuth2 API through the HTTP Request node, processes the results, and outputs cleaned subreddit data. If you are using Get Many subreddit node and you are getting this error: n8n You've been blocked by network security.To continue, log in to your Reddit account or use your developer token Usecase: This is especially useful if you want to search multiple subreddits programmatically and apply filtering for members, descriptions, and categories. How It Works 1. Trigger Input The workflow is designed to be called by another workflow using the Execute Workflow Trigger node. Input is passed in JSON format with parameters: 2. Fetch Subreddits The HTTP Request (Reddit OAuth2) node queries the Reddit API (/subreddits/search) with the given keyword and limit. Because it uses OAuth2 credentials, the request is properly authenticated and accepted by Reddit. 3. Process Results Split Out: Iterates over each subreddit entry (data.children). Edit Fields: Extracts the following fields for clarity: Subreddit URL Description 18+ flag Member count Aggregate: Recombines the processed data into a structured output array. 4. Output Returns a cleaned dataset with only the relevant subreddit details.(Saves token if Attached to an AI Agent) How to Use 1. Import this workflow into n8n. 2. In your main workflow, replace the Get Many Subreddit node with an Execute Workflow node and select this workflow. 3. Pass in the required query parameters (Query, minmembers, maxmembers, limit). 4. Run your main workflow — results will now come through authenticated API requests without being blocked. --- Requirements Reddit OAuth2 API Credentials (must be set up in n8n under Credentials). Basic understanding of JSON parameters in n8n. An existing workflow that calls this one using Execute Workflow. --- Customizing This Workflow You can adapt this workflow to your specific needs by: Filtering by member range: Add logic to exclude subreddits outside minmembers or maxmembers. Expanding extracted fields: Include additional subreddit properties such as createdutc, lang, or activeusercount. Changing authentication: Switch to different Reddit OAuth2 credentials if managing multiple Reddit accounts. Integrating downstream apps: Send the processed subreddit list to Google Sheets, Airtable, or a database for storage.

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How to import this n8n workflow

  1. 1

    Download the workflow JSON file after purchase.

  2. 2

    Open n8n → click the menu → Import from File.

  3. 3

    Select the downloaded JSON and import.

  4. 4

    Set up credentials for each node that requires them.

  5. 5

    Click Execute Workflow to test, then activate.

Setup guide

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