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Social media scheduler for Indian agenciesYou make the posts.
We chase the approvals.
Poststack follows up with clients on WhatsApp, holds them to the rounds you agreed, and publishes on time.
No card needed · Every feature · Pay by UPI or card
What your agency runs on today
One place for every client.
Publishing through official APIs to
Instagram
Facebook
LinkedIn
X
YouTube
ThreadsWhy Poststack
Agency work is scattered. Ideas live in Google Sheets and Notion. Approvals live in email, WhatsApp and calls. Posting means logging in to six apps. And someone on your team spends the day chasing clients to keep it all moving.
Poststack is the social media operations platform built for Indian agencies. You plan every client in one place. We do the chasing, the publishing and the reporting, so the people you hired for ideas get to work on ideas.
Client chasing
Every follow-up you send a client,
we send for you.
Your clients already live on WhatsApp, so that's where we reach them. Keep WhatsApp, lose the chasing. They don't change a thing: no login, no app, no training.
Behind the scenes,
Poststack keeps it moving.
We send the follow-ups your team used to send by hand, and keep every answer.
PoststackWhatsApp · Thu 11:00Hi Priya, a quick reminder that your review for Studio Kiln is due by Friday 10:00.
Thank you for your time.
Review the Post
Reminders If they haven't replied, we remind them before the review window closes. No more "just checking in".
Daily summary · Vertex Clinic2:00 PM
4 posts waiting for reviewWorld Heart Day reelNew cardiologist introClinic timings updatePatient Q&ASent to Rohan and Neha2:00 PM
Daily summaries We roll many posts into one message, at 10 AM, 2 PM or 5 PM, whichever you set for each client. Not twenty pings.
Diwali hampersSharma BakersSent on WhatsApp
1 change requested
Revised, round 2
Reminder sent
Approved
"I never approved that."Priya did. Thursday, 12:18.
Every reply on record We time-stamp every message, change and approval on the post. Settled in one look.
Revision rounds
Revision rounds that end.
"Two rounds" is in your contract, and until now nothing enforced it. We do. Each set of changes you make starts the next round, and when the last one is done, that version is final.
Round 1 startsShared with Priya on WhatsApp
2 changes requestedCaption and image
Round 2 startsYour changes, with a note
1 change requested"Add order by the 30th"
Final versionRounds complete. Priya is told this is what goes out.
Anjeer barfi launchSharma Bakers · InstagramRoundsSet for Sharma Bakers2 of 2 used
Changes madeAcross both rounds3
Round 3Not availableClosed
Final versionApproved · Priya is toldWed 18:40
Several changes, one round Everything your client sends in a round counts as that round, however many changes it holds.
The last changes still get made Their final round of feedback goes in. Then that version is final, and it's approved.
Urgent changes come to you The link tells them the rounds are complete and to contact you for anything urgent.
Client workspaces
Every client works differently.
So we give every client their own workspace.
Their calendar, their accounts, their people and their rules, kept apart from every other client.
Sharma Bakers7 accounts · 2 people
sharmabakersBrand
Sharma Bakers & Co.Brand
Vikram SharmaFounder+ Facebook, X, YouTube and Threads
PriyaWhatsAppEmailVikramEmailManage workspaceSharma Bakers · client settingsFeedback roundsTurns the client gets on each post123Unlimited
Review window48 hours per round
Daily summaryWhen the review email goes out10 AM2 PM5 PM
WhatsAppPriya · +91 98290 41•••With summaryStraight away
Their accounts, brand and founder Instagram, Facebook, LinkedIn, X, YouTube and Threads, plus the founder's own profiles, side by side.
Their people Choose who gets the review link, and whether it reaches them on WhatsApp, email or both.
Their rules Revision rounds, whether the 48-hour review window runs, the summary time and WhatsApp timing. One round for a small retainer, three for a launch.
Multiplayer
Your whole team,
on the same posts.
Here's how a post moves through your team, without anyone asking "which version is final?"
Tag a teammate Type @ on any post. They're notified, and the ask stays with the work.
Internal stays internal Team comments and client feedback sit in separate tabs. Your client only sees what you share.
Roles per action Choose who drafts, who shares with clients and who publishes.
Anjeer barfi launchSharma Bakers · Internal commentsKabir @Meera Iyer first cut is up. Can you look at the caption?
Meera Tightened the second line. @Arjun Rao ready to share.
Arjun Looks good. Sending it to Priya.
Arjun shared it with Sharma Bakers for review
The basics
And the basics,
done right.
Planning, publishing and reporting for every client, without six logins and a folder of screenshots.
MonTueWedThuFriDiwali reelFounder storyGift boxesKitchen tourAnjeer barfi
Imported from your sheet24 postsDiwali reelFounder storyGift boxesKitchen tourAnjeer barfiPlan Every client's month on its own calendar. Bring your current sheet in at once.
Anjeer barfi launchFinal version · approvedFri, 12:00 PMPublish We publish to Instagram, Facebook, LinkedIn, X, YouTube and Threads through their official APIs, on time.
Anjeer barfi launchPublished Fri, 12:00 PMReach18.4k
Engagement6.2%
Saves412
Report We put reach and engagement next to every post, for all six platforms. No screenshots.
What's next
Next, Poststack helps with
the creative work too.
Coming soon
A planning board for every client.
Ideas on a board, turned into drafts in one step. Bring them in from Notion and Sheets, and keep them in sync.
Ideas 3
Diwali gifting guideCarouselFounder's first ovenVikram SharmaDrafting 1
Kaju katli close-upsReelIn review 1
Anjeer barfi launchRound 2 of 2Synced with NotionSynced with Sheets
Pricing
Simple plans.
Priced in rupees.
Every feature comes with every plan. Tell us how many social accounts and people you have, and see exactly what you'd pay.
Price your setup
30 included on Agency · then ₹300 each
5 included on Agency · then ₹300 each
Your plan
Agency
₹8,000/month
Pay yearly, save ₹16,000.
Start free for 7 daysNo card · 3 accounts, you + 1, 30 posts
Every feature on every plan.
- Plan A calendar for every client, posts from a sheet
- Approve Clients approve on a link, rounds counted
- Chase WhatsApp and email reminders, sent for you
- Publish All six platforms, on schedule
- Team Roles, permissions and tagging
- Report Analytics for every client
White-label
Your client portal on your own domain. On Freelancer and Agency.
What does the free trial include?
Try Poststack free for 7 days, no card needed. The trial covers 3 social accounts, you and 1 teammate, and 30 posts. Pick a plan whenever you're ready; if you don't, your workspace turns read-only and nothing is deleted.
How much does Poststack cost?
Solo ₹800/mo for 2 accounts, Freelancer ₹3,600/mo for 10 accounts, Agency ₹8,000/mo for 30 accounts, plus GST. Every feature is on every plan; they differ only in accounts and people. Extra accounts are ₹300/mo and extra people ₹300/mo. Pay yearly and get 2 months free.
How do clients review posts without an account?
Poststack sends them the post on WhatsApp and email with a review link. They open it in any browser, see the post as it will go out, and approve it or ask for changes. No login, no app.
How does the WhatsApp chasing work?
When you share a post, Poststack messages the people you added for that client, straight away or with their daily summary. If they haven't replied, it sends a reminder before the review window closes. They come from our WhatsApp number and name your agency.
What stops endless revision rounds?
You set the number of rounds for each client. Round 1 starts when you share. Each set of changes you make starts the next round. When the last round's changes are in, that version is final and the client is told.
Can every client work differently?
Yes. In Poststack, revision rounds, whether the 48-hour review window runs, the daily summary time (10 AM, 2 PM or 5 PM) and WhatsApp timing are all set per client.
Which platforms are supported?
Poststack publishes to Instagram, Facebook, LinkedIn, X, YouTube and Threads through their official APIs, with each platform's own formats.
How is my data handled?
Poststack connects accounts through each platform's official OAuth, so we never see your passwords. We're built around India's DPDP Act, and we never scrape.
What analytics are included?
Every plan includes the same analytics for all six platforms. Exports are manual today, and automated reporting is coming soon.
Can I cancel anytime?
Yes. Cancel anytime and keep access until the end of the period you've paid for. The trial takes no card, so there's nothing to cancel while you try it.
Your next client
shouldn't mean your next hire.
Poststack chases, holds the rounds and posts. Your team gets back to the work you hired them for.
Start free for 7 days7-day free trial · No card needed · Cancel anytime