Buyer intelligence for Whatnot sellers

BIDALPHA

Know every buyer in your stream.

Every show, bidders lose, repeat buyers drift, and whales spend next door. BidAlpha captures every buyer and bid from your streams — a Chrome extension in your own browser, a dashboard that tells you who to message and why.

Runs in your own Chrome, on your own Whatnot session — no credentials shared.

1889-CC Morgan Dollar  ·  lot 41
@morgan_hunter bid $85 outbid never seen again
Buyer gone

Every show, money walks out.

They told you their willingness to pay — then vanished. Whatnot never shows you who they were.

The problem

Revenue leaks you can’t see

LEAK 01 / 03

Missed-out bidders

Someone bid $85 on your Morgan dollar and lost. They told you their willingness to pay — then vanished.

→ Missed-out Action List
Outbid tonightsample
@morgan_hunter$85outbid
@gemloupe$72outbid
@slabcity_kc$60outbid
LEAK 02 / 03

Lapsed repeat buyers

A buyer who purchased from you four times hasn’t been back in six weeks. You never noticed, because nothing notified you.

→ At-Risk Action List
Repeat buyersample
@halfdollar_hank4 orders · $312
last purchase6 weeks agooverdue
notifications from Whatnot0
LEAK 03 / 03

Competitors’ whales

The biggest spenders in your category are buying every night — in someone else’s stream.

→ Conquest Action List
Your category · tonightsample
@vault_vic$2,140 / mowhale
@numis_nate$960 / mowhale
buying insomeone else’s stream

None of them are visible in Whatnot’s own tools.

Then BidAlpha starts watching

Every buyer and bid, captured live

A Chrome extension in your own browser records bids, sales, and buyers as they happen.

@vault_vic$2,140 lifetimewhale 96
@morgan_hunter$85 WTPmissed-out
@halfdollar_hank$312 · 4 ordersat-risk
@gemloupe$540 lifetimefrequent 81
@numis_nate$960 / mowhale 89
@slabcity_kc$60 WTPmissed-out
@cointreau_cc$210 lifetimefrequent 74
@mint_mariafirst seen tonightnew

Anonymous rows → named, scored buyers · sample data, illustrative

Pro · Action Lists

Who to message, and why.

The dashboard ranks every opportunity already sitting in your account — four lists, each one a click from a DM.

Action List 01

Missed-out

@morgan_hunter$85 WTP
@gemloupe$72 WTP
@slabcity_kc$60 WTP

Every losing bidder, named — with the dollar amount they were willing to spend. Your invite list for the next comparable item.

Action List 02

Underbidders

1889-CC Morgan6 bidders
Carson City lot4 bidders
Seated Liberty3 bidders

A demand signal for what to source next — the items people fought over and lost.

Action List 03

Conquest

@vault_vic$2,140 / mo
@numis_nate$960 / mo
@bulk_bill$740 / mo

High-value buyers active in competing streams in your category.

Action List 04

At-Risk

@halfdollar_hank6 wks · $312
@cointreau_cc5 wks · $210
@mint_maria4 wks · $180

Your overdue repeat customers, ranked by their historical spend with you.

One click → a human-paced DM.

Bulk follow, mass DM with automatic dedup, chat mentions — all rate-limited, paced like a human, all from one click on an Action List.

send-once dedup ~1 DM / 25s, jittered auto-stops if throttled
The desk

One dashboard. Every play.

app.bidalpha.io
Get started
~10 min to set up From $299 / mo 1-click outreach
How it works

Up and running in about 10 minutes

No installer, no IT, no password to create. A first-run checklist walks you through each step.

STEP 01

Install the extension

A Chrome extension in your own browser, using your own Whatnot session. Nothing else to install, no credentials to hand over. Paste your license key and go.

STEP 02

Collect

Point it at streams in your category — it opens tabs and watches — or turn on manual discovery to capture your own show. It records bids, sales, and buyers as they happen.

STEP 03

Act

The dashboard ranks who to contact and why. Bulk follow, mass DM with automatic dedup, chat mentions — all rate-limited, paced like a human, all from one click on an Action List.

Live demos

See the bot in action

Recreations of the real dashboard, animated. Sample buyers and numbers are illustrative.

Missed-out Action List

Pro

Every losing bidder, named — with the dollar amount they were willing to spend. When you list the next comparable item, this is your invite list.

One-click Bulk DM

Send-once dedup

From “these 30 people bid and lost” to “they each have a DM from me” — one click, human-paced. Campaigns skip anyone who already got the message.

HypeChat

Safety-filtered

AI hype in your own stream chat — it reacts to a new item, a big bid, a lull. Preview mode shows every message before it ever posts. It keeps energy in the room while you run the auction.

ROI summary + Targets

Pro

Your whole buyer pool, scored and ranked — whale, frequent, by type — and the dollar value of the opportunities already sitting in your account.

Everything in the product

A whole workflow, not a dashboard to stare at

Capture, understand, and act — every bullet is a shipped feature the demo can show.

Capture

Standard
  • Live buyer, bid & sale capture from every stream
  • Manual discovery mode to record your own show

Analytics

Standard
  • Top buyers, whales & buying-time patterns
  • Market & category trends
  • Best Time to Go Live recommendation
  • Live usage meters

AI copilot

Standard
  • AI insights on your own captured data
  • AI chat copilot that drives the bot conversationally

Outreach

Standard
  • Bulk follow, DM & chat mentions
  • Send-once dedup + blocklist
  • Mass DM to any pasted buyer list
  • Human-paced: ~1 DM / 25s, jittered, auto-stops if throttled

Action Lists

Pro
  • Missed-out bidders — with $ willingness-to-pay
  • Underbidders — demand signal for what to source
  • Conquest — competitors’ high-value buyers
  • At-Risk — overdue repeat customers
  • Next Best Actions to-do list

Targets & personas

Pro
  • Buyer scoring & ranked Targets (whale / frequent / type)
  • Buyer personas (clustering)
  • Week in Review + per-show Scorecards

HypeChat

Pro
  • AI hype in your own stream chat
  • Safety-filtered — never price, authenticity, grading, shipping or refunds
  • Preview mode + per-stream & daily caps

Market Intel

Pro
  • Rising & declining sellers, seller comparison
  • Category heat & cooling
  • Price history & demand-pressure pricing signals
Pricing

Simple pricing. Cancel anytime.

One recovered missed-out bidder or one reactivated repeat buyer typically covers the month — check your own ROI summary and do the math.

Standard
$299/mo
Know your buyers
  • Live buyer, bid & sale capture
  • Core analytics + Best Time to Go Live
  • AI insights + AI chat copilot
  • Bulk follow / DM / chat mentions — send-once dedup
  • Mass DM to any pasted list

For sellers running a few shows a week who want to stop flying blind.

Get started
3 concurrent streams · 25 / day · 5,000 buyers
Enterprise
$899/mo
Built around your operation
  • Everything in Pro, plus:
  • Unlimited streams / day & buyers
  • 50 concurrent streams
  • Daily email digest with custom recipients
  • Priority support

Email us and talk to the person who built it.

Get started
For multi-account operations & teams

A human reads your request and sends your license key plus the extension the same day.

FAQ

The real objections

Is this against Whatnot’s rules? Will my account get flagged?+

BidAlpha runs inside your own Chrome, on your own logged-in session — no shared credentials, no server farm impersonating you, and nothing scraped that you couldn’t see yourself with the tabs open. Every automated action is rate-limited and paced like a human — roughly one DM every ~25 seconds, with jitter, daily caps, and an automatic stop if Whatnot ever throttles. No automation is risk-free and we won’t claim otherwise; this is the most conservative way to build it, and it’s how we run our own accounts.

Where does my buyer data go? Can other sellers see it?+

Your data lives in your own tenant. No other seller can see your buyers, your sales, or your lists, and we don’t pool or resell your data.

How long does setup take?+

About 10 minutes: load the extension, paste your license key, log in to the dashboard with the same key. A first-run checklist walks you through each step. No installer, no IT, no password to create.

What happens when Whatnot changes their site?+

Tools like this break when the platform changes — anyone who says otherwise is selling you something. We run BidAlpha against live streams daily, so breakage hits us first; we ship a fix and send you the updated extension. (When Whatnot relocated its inbox, we caught it because our own DMs stopped.)

Will it DM people who already got my message?+

Bulk-action DM campaigns dedup automatically against your send history — buyers who already received that message are skipped — and there’s a blocklist for anyone you never want contacted.

Is HypeChat going to say something that embarrasses me?+

HypeChat is safety-filtered — it never states prices, authenticity, grading, shipping, or refunds. It only builds energy. And it has a Preview mode: see every message it would send before it ever posts one.

I sell sports cards / TCG / vintage, not coins. Does this work for me?+

Yes. BidAlpha is category-agnostic — it captures bids and buyers in whatever streams you point it at. Our earliest users are coin sellers, so that’s where our pattern library is deepest today.

Run it on your next two shows

Then read your own ROI summary — your buyers, your missed bidders, and the dollar value already sitting in your account. If that number isn’t a multiple of the subscription, cancel it.