The short answer
If you write and post the comments yourself, put a review step in Slack between drafting and posting. The n8n template "Reddit brand engagement with AI comment generation and Slack notifications" does that. It sends each thread, its draft comment and a score to a Slack channel, and its best-practice list says to review and approve comments in Slack before posting.
If a service posts for you, ask where you approve and what you approve. With CommunityMentions it happens in a Slack workshop after a $1 setup charge. This page walks through both from the buyer's side. For what the service itself includes, see done-for-you Reddit marketing.
Quick picks: what are you doing?
- You'll post the comments from your own account and want drafts in Slack first: use the n8n template.
- Your company already routes approvals through Zapier and wants a sign-off trail by email or form: look at ApproveThis' Reddit integration.
- You want someone else to find threads and post daily, and you only want to sign off on the voice: CommunityMentions, $1 to start, $1,000 a month after you approve.
- You want to read sample comments before approving anything at all: run the free sample first.
Ways to approve Reddit comments before they post, and what each takes
Three routes exist: a free template that sends drafts to Slack, an approval tool that routes requests by email or form, and a service where you approve the voice in Slack. Details are as each tool's own page showed them on November 7, 2026.
| Way | What you approve | Who posts | What it needs | Cost |
|---|---|---|---|---|
| n8n template 8458 | Each draft comment, in a Slack channel | You | Reddit API credentials, an OpenAI API key and a Slack webhook; n8n running on your account or server | Template is free to use; you also need an OpenAI API key and n8n running |
| ApproveThis with Zapier | Each request, routed to the approvers you set (requests come in by email, form or mailbox; its page doesn't describe Slack approval) | You | A Zapier connection and the rules for who approves what | Its page says 90 days free with the Reddit integration; we didn't read its plan prices |
| CommunityMentions (ours) | The voice and the setup, in a Slack workshop, before anything posts | Real people with established accounts | A $1 setup charge | $1,000 a month, starting only after you approve |
Steps with CommunityMentions
From your side, this is the whole flow.
| Step | What you do | What done looks like |
|---|---|---|
| 1 | Run the free sample on your website. | You've read the first comments, about 2 minutes in. |
| 2 | Click Start for $1. It saves your card; it is a setup charge, not a trial. | The Slack workshop opens for you. |
| 3 | In Slack, review the voice and the filters the comments follow. | You've reviewed the voice and filters, and nothing has posted. |
| 4 | Approve the setup when the comments read right. | Daily posting starts. So does the $1,000 monthly billing. |
| 5 | Read the daily Slack report. | A link to every comment that passed our check and a count of the ones moderators removed. |
What to look for before you approve
Read the sample comments the way a moderator would. Does the first line give advice before it names your product? Does any comment make a claim you couldn't back up, such as a medical or results claim? Is the product named once, the way a helpful customer would? If something is off, say so in the Slack channel before you approve; per our company facts, the founder is in every channel and replies within 24 hours.
Nothing posts while you decide, and the monthly billing hasn't started. If the comments never read right, you don't approve, and daily posting and the $1,000 billing never start.
Limits to know
- With CommunityMentions you approve the voice and the setup, not each comment one at a time. After approval, comments post daily and the report shows each one after it goes up.
- If you need a sign-off on every single comment before it posts, a do-it-yourself flow like the n8n template fits better, and you do the posting.
- The n8n template needs your own Reddit API app and OpenAI key, and you post from your own account.
- A Slack approval step catches tone problems. It doesn't stop moderators removing a comment, which is why our report counts removals.
Sources
- CommunityMentions approval, billing and reporting: company facts, read November 7, 2026.
- n8n: Reddit brand engagement with AI comment generation and Slack notifications, read November 7, 2026.
- ApproveThis: Reddit integration with Zapier, page dated April 17, 2025, read November 7, 2026.