Postmill
Postmill is web-based software for publishing and managing social, chat, blog, and email channels from one composer.
What Postmill is
Postmill is web-based software for publishing and managing social, chat, blog, and email channels from one composer. It supports more than 45 channels, including X, Instagram, LinkedIn, TikTok, YouTube, Discord, WordPress, Reddit, Threads, Pinterest, Telegram, Medium, and Mastodon. Users can generate and repurpose content with AI, schedule up to 100 posts, publish automatically, and handle conversations in a social inbox. Approval workflows support content review, while team tools include roles, multi-brand workspaces, and inbox assignment. Its advanced analytics include daily snapshots, trends across periods, heatmaps, anomaly alerts, and competitor watchlists. The design studio offers a canvas, a five-track video timeline, and 36 generation studios. Security features include encrypted secrets, official OAuth, SSO, and session control; the self-hosted edition is AGPL-3.0 licensed, with encrypted secrets at rest. Postmill lists API, SDK, webhooks, Zapier, Make, n8n, and MCP integrations. A free plan and 30-day trial are listed.
Good
- Supports more than 45 channels.
- Includes scheduling, automatic publishing, and a social inbox.
- Advanced analytics include heatmaps and anomaly alerts.
- Team tools include roles and approval workflows.
- Offers a free plan and 30-day trial.
Watch out
- Starter includes one seat and three channels.
- Starter limits users to 100 posts per month.
- Agency costs $249 per month.
- Listed platform is web.
Who it suits
Postmill suits individuals and teams managing publishing across multiple social and other supported channels. Its roles, approvals, multi-brand workspaces, and analytics may be useful to organizations coordinating content and reviewing results.
Verdict
Postmill brings channel publishing, inbox management, approvals, and analytics together in a web product. The free plan and monthly tiers offer different channel and seat allowances, so check the plan limits against your publishing needs.
Plans and prices
From Postmill's own pricing page, checked 28 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Starter | $9 a month | 1 seat, 3 channels, 100 posts/month · 1 seat · 3 channels · 100 posts/mo · billed monthly |
| Pro | $29 a month | 3 seats, 10 channels, 2 brand kits · 3 seats · 10 channels · 2 brand kits · 5 GB storage · billed monthly |
| Team | $99 a month | 10 seats, 30 channels, 10 brand kits · 10 seats · 30 channels · 10 brand kits · 20 GB storage · billed monthly |
| Agency | $249 a month | 25 seats, 100 channels, 50 competitor slots, 100 GB · 25 seats · 100 channels · 50 competitor slots · 100 GB storage · billed monthly |
| Self-Hosted | Free | Free on your own hardware; AGPL-3.0 licensed |
The facts
Each one read from Postmill's own pages, with the date it was checked.
Money
- Agency price
- Agency costs $249 per month for 25 seats and 100 channels.checked 28 Sep 2026
- Free plan
- A self-hosted version is free on the user's own hardware.checked 28 Sep 2026
- Free trial
- The trial lasts 30 days and requires a card, but charges begin only after day 30.checked 28 Sep 2026
- Pro price
- Pro costs $29 per month.checked 28 Sep 2026
- Starter price
- Starter costs $9 per month.checked 28 Sep 2026
- Team price
- Team costs $99 per month for a 10-seat team.checked 28 Sep 2026
What it does
- AI key pricing
- AI runs on the customer's provider keys without per-seat AI fees or markup.checked 28 Sep 2026
- Analytics features
- Analytics include daily snapshots, period-over-period trends, heatmaps, anomaly alerts, and competitor watchlists.checked 28 Sep 2026
- Analytics level
- advancedchecked 21 Sep 2026
- Design capability
- The design studio includes a full canvas, a 5-track video timeline, and 36 generation studios.checked 28 Sep 2026
- Encryption certification
- The self-hosted platform is AGPL-3.0 licensed, with encrypted secrets at rest.checked 28 Sep 2026
- Integrations
- Integrations include API, SDK, webhooks, Zapier, Make, n8n, and MCP.checked 28 Sep 2026
- Paid from
- 9checked 21 Sep 2026
- Scheduled posts
- 100checked 21 Sep 2026
- Security controls
- Security features include encrypted secrets, official OAuth, SSO, and session control.checked 28 Sep 2026
- Social accounts
- 3checked 21 Sep 2026
- Social inbox
- Yeschecked 21 Sep 2026
- Supported channels
- Postmill supports more than 45 channels, including X, Instagram, LinkedIn, TikTok, YouTube, Discord, and WordPress.checked 28 Sep 2026
- Supported networks
- X,LinkedIn,LinkedIn Page,Reddit,Instagram Business,Instagram Standalone,Facebook Page,Threads,YouTube,Google My Business,TikTok,Pinterest,Dribbble,Discord,Slack,Kick,Twitch,Mastodon,Bluesky,Lemmy,Farcaster,Telegram,LINE,Matrix,Nostr,VK,Medium,Dev.to,Hashnode,WordPress,ListMonk,Moltbook,Whop,Skool,MeWe,Tumblr,Pixelfed,PeerTube,Akkoma,Discourse,Friendica,GoToSocial,Misskey,Odysee,Sharkeychecked 21 Sep 2026
- Support level
- The Agency plan includes priority support.checked 28 Sep 2026
Where it runs
- Approval workflow
- Yeschecked 21 Sep 2026
- Platforms and apps
- It supports social, chat, blog, and email channels in one composer.checked 28 Sep 2026
The company
- Company status
- Postmill AI is open-source software with every line public on GitHub.checked 28 Sep 2026
- Teams and admin
- Team features include roles, approvals, multi-brand workspaces, and inbox assignment.checked 28 Sep 2026
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