Private enterprise procurement — not a government e-tendering portal
One auction engine, five competitive formats
Krayuv runs reverse, forward, Dutch, Yankee, and CBA (Competitive Benchmark) auctions in a single live bidding room — with real-time bid updates, lead-change alerts, automatic time-extension, and multi-currency support. Built for private enterprise buyers sourcing from their own supplier base, not public-sector e-tendering.
- Supplier A₹48,200
- Supplier B₹47,850
- Supplier C₹49,100
Illustrative — for a real auction event
What a reverse auction is, and when it makes sense
In a standard ("forward") auction, one seller takes bids from many buyers and the price rises. A reverse auction flips that: one buyer takes bids from many qualified sellers, and the price falls as suppliers compete to win the business. It's a sourcing method, not a full procurement process on its own — it typically follows supplier qualification and an initial RFQ, and it works best for well-specified, comparable purchases where price is a legitimate competitive lever and enough qualified suppliers can genuinely compete.
It's a poor fit for highly differentiated purchases where quality, relationship, or technical fit matter more than price, or where too few qualified suppliers exist for real competition to happen.
Five auction formats, one engine
Not every sourcing event fits a simple price-down auction. Krayuv supports five formats, so the mechanism matches the actual buying situation instead of forcing every event into the same mould.
Reverse auction
The standard format for competitive buying: qualified suppliers bid against each other, price moving down as they compete to win the business.
Forward auction
Price moves up as bidders compete to buy — used for disposing of surplus stock, scrap, or assets rather than sourcing.
Dutch auction
The auction opens at a set price that steps down at intervals until a supplier accepts — fast price discovery when time matters more than multiple bidding rounds.
Yankee auction
For multi-lot or multi-quantity sourcing, where suppliers bid on how much of the total quantity they can fulfil and at what price, splitting the award across several winners.
CBA — Competitive Benchmark Auction
A hidden-target scoring format: bids are scored live against a benchmark the buying team sets but doesn't reveal, with suppliers seeing only their live rank, not the target itself.
Inside the live bidding room
The mechanics that make a live auction feel fair and genuinely competitive — not just a form that collects numbers.
Live bid updates
Every new bid reflects instantly for all invited suppliers watching the event.
Lead-change alerts
Suppliers are notified the moment they're outbid, so the event stays competitive to the last second.
Auto time-extension
A late bid automatically extends the countdown, closing the door on last-second sniping without a fixed cutoff cutting off a fair fight.
Synced countdown
One countdown clock, synced for every participant, so nobody is bidding against a timer that's already run out on someone else's screen.
Auctions also support multi-currency bidding and Excel import/export for line items and bid reports — useful when suppliers span currencies or when results need to feed a board deck.
The reverse auction lifecycle
Define the scope & format
Set the specification, quantity, delivery terms, currency, and which auction format fits the event — reverse, forward, Dutch, Yankee, or CBA.
Invite suppliers
A shortlist of qualified suppliers is invited to bid, usually after an initial RFQ or qualification round rather than opening the event to unknown vendors.
Live bidding
The bidding room runs with live updates, lead-change alerts, and auto time-extension, on a synced countdown every participant sees the same way.
Award
The buying team reviews final standings and awards the business — an award can generate a purchase order or contract directly, without re-keying the terms.
Audit trail & reporting
Every bid, timestamp, and decision is recorded. Bid data and reports export to Excel for further analysis or board reporting.
From award to purchase order, without re-entry
When the buying team awards an auction, Krayuv can generate the purchase order or contract directly from the winning bid — the specification, price, and terms carry straight through into Procure-to-Pay, instead of someone re-typing the outcome into a separate PO. Reverse auctions sit inside the sourcing stage of Source-to-Pay, alongside RFQs and supplier qualification.
Reverse auction vs. traditional negotiation
| Reverse auction | Traditional negotiation | |
|---|---|---|
| Price discovery | Competitive, visible in real time among invited suppliers | Sequential, one supplier at a time, price discovery is slower |
| Best fit for | Well-specified, comparable purchases with several qualified suppliers | Complex, differentiated purchases where fit matters more than price |
| Time to award | Typically fast once suppliers are qualified and invited | Varies widely, often slower with multiple negotiation rounds |
| Auditability | Every bid and timestamp is recorded automatically, exportable to Excel | Depends on how well the negotiation is documented manually |
Frequently asked questions
What is a reverse auction in procurement?
A reverse auction is a sourcing event where qualified suppliers compete to offer the lowest price for a defined scope of work or goods, with price moving down as suppliers bid against each other, rather than up as in a traditional auction.
What is an online reverse auction platform?
An online reverse auction platform, also called e-reverse auction software or an e-auction (e-RA) tool, runs the competitive bidding event over the web: the buyer defines the scope and invites qualified suppliers, who then bid in real time from their own browser or phone. Krayuv's platform runs the full event — invitation, live bidding, award, and purchase order — in one system.
What is supplier bidding software?
Supplier bidding software lets a buying organization collect and compare competing bids from suppliers in a structured way instead of by email. In Krayuv, suppliers bid in a live room with real-time updates, lead-change alerts, and live rank, and the buyer sees every bid in a single comparable view.
Is Krayuv a reverse auction platform for businesses?
Yes. Krayuv is built for private B2B procurement teams sourcing from their own qualified suppliers. It covers five auction formats, multi-currency bidding, Excel import and export, and direct generation of a purchase order from the winning bid.
What is digital auction management software?
Digital auction management software handles the whole lifecycle of a sourcing auction: setting up the event and rules, inviting suppliers, running and monitoring the live bidding, closing with auto time-extension, and recording the outcome. Krayuv manages that lifecycle for reverse, forward, Dutch, Yankee, and CBA auctions, with results exportable to Excel.
What auction formats does Krayuv support?
Five: reverse (price down), forward (price up, for disposals), Dutch (a stepping starting price), Yankee (multi-lot, quantity-based bidding), and CBA — a Competitive Benchmark Auction where bids are scored live against a hidden target the buyer sets.
What is a Competitive Benchmark Auction (CBA)?
CBA is a hidden-target scoring auction: the buying team sets a benchmark that isn't shown to suppliers, and bids are scored and ranked live against it. Suppliers see their live rank, encouraging genuine best offers rather than bidding down to a number they can guess.
How is a reverse auction different from a forward auction?
In a forward auction, one seller takes bids from many buyers and price rises. In a reverse auction, one buyer takes bids from many suppliers and price falls, since suppliers are competing to win the business rather than to acquire it.
Does an auction award automatically create a purchase order?
Yes — Krayuv can generate a purchase order or contract directly from the winning bid on award, carrying the specification, price, and terms through without manual re-entry.
Is Krayuv's reverse auction software for government e-tendering?
No. Krayuv's auctions are built for private enterprise B2B procurement — organizations sourcing from their own qualified supplier base — not for public-sector e-tendering or government e-auction processes.
See a live bidding room in action
Book a short call and we'll run a sample auction on your own sourcing scenario — formats, bid rules, and the award-to-PO handoff.