K
IdeaKoi
MarketplacePricingAbout
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MarketplacePricingAbout
Sign inGet Started
K
IdeaKoi

The secure marketplace for buying and selling startup ideas. Powered by Stripe payments and admin-reviewed listings.

Platform

  • Browse Ideas
  • Seller Portal
  • Post an Idea
  • Pricing

Legal

  • NDA Policy
  • Terms of Service
  • Privacy Policy
  • Cookie Policy

Contact

  • hello@ideakoi.com
  • +61 452 452 524
  • Rockdale, NSW, Australia

Stay Updated

Weekly high-value vetted opportunities.

© 2026 IdeaKoi — Secure Payments via Stripe
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Admin-reviewed listings, Stripe-secured payments

Where ideas
become assets.

List, discover, and acquire high-potential ideas on IdeaKoi, with verified sellers and secure, Stripe-powered payments.

AI-drafted legal memo generator

Prototype$4,200

Loyalty program for indie cafes

Validated$1,800
Featured
NDA-gated listingsStripe-secured paymentsAdmin-reviewed ideasVerified-purchase reviews

From spark to signed deal.

Three steps, each one built to keep the deal professional and both sides protected.

Step 01

List your idea

Publish a listing with your pitch, stage, price, and files. Nothing goes live until an admin reviews it.

Step 02

Get discovered

Buyers browse admin-approved ideas, filtered by category, stage, and price to find the right fit.

Step 03
For sellers

Monetize your vision

Turn a validated concept into revenue. Set your price, hand over your files, and reach buyers who are ready to pay.

  • NDA-gated listing access
  • Admin review before you go live
  • Flexible pricing and offer negotiation
  • Commission taken automatically, no invoicing
Live on the marketplace

Featured ideas

1 idea live right now. Here are a few worth a look.

AI powered personal assistantFeatured
ConceptActive

AI powered personal assistant

AI powered personal assistant

1
0

$4,000.00

by Seller User

Built for high-value transactions.

Every layer of IdeaKoi is engineered to protect both sides, from first view to final file handover.

Secure, split payments

Every purchase runs through Stripe Connect. The moment a sale completes, the seller's share and the platform's commission are split automatically, no manual payouts, no waiting on invoices.

Admin-vetted listings

Every idea is reviewed before it goes live. No spam, no duplicate listings.

Files, gated by purchase

Pricing

Transparent, scalable.

No hidden fees. Pick a plan that fits how much you sell.

Trial

Free

  • 3 idea listings
  • 15% commission
  • 14-day access
  • Basic analytics

Your next big idea deserves a stage.

Join the founders and buyers already transacting on IdeaKoi.

Warehouse restock predictor

Ready to launch$9,500

Close securely

Buyers pay through Stripe. Your share is transferred the moment the sale completes, commission already split out.

For buyers

Acquire the next big thing

Browse admin-reviewed ideas across every stage. Make an offer, negotiate terms, and get your files the moment you pay.

  • Search by category, stage, and price
  • Negotiate directly through offers
  • Files unlock the moment payment completes
  • Leave a verified review after purchase

Asset files unlock through a signed, time-limited link the instant your transaction completes.

Most popular

Pro

$29/mo

  • 25 idea listings
  • 10% commission
  • 5 featured slots
  • Full analytics
  • Priority review

Business

$99/mo

  • Unlimited listings
  • 5% commission
  • 20 featured slots
  • API access
  • Dedicated support