Marketplace & multi-sided platform software

Marketplace Platforms for Multi-Sided Discovery, Trust & Settlement

We design operating systems for buyers and sellers with matching, trust signals, commissions, disputes, and payout boundaries — not single-merchant owned-cart ecommerce storefronts.

Matching CoreSLA & Capacity Match
Money FlowAutomated Split Payouts
Trust ArchitectureEscrow & KYC Boundary
Dispute GuardDeterministic Arbitration
MULTI-SIDED EXCHANGE & SETTLEMENT ENGINE
01. Incoming Demand StreamBUYER NODE
B2B Healthcare Supplies

Regional Hospital Group (Verified Org)

Deal Size:$45,000.00
Location:Chicago, IL (Zone Midwest)
Terms:Net-30 / Delivery in 5 Days
• Intent Authenticated & Risk Cleared
02. Platform Clearing CoreGOVERNANCE
Platform Take-Rate:8.5%
Platform Revenue:$3,825.00 (Platform Fee + Net-30 Escrow)
Escrow Custody Rule

Funds locked on PO submission; released upon Bill of Lading confirmation

✓ Automated Split Routing Configured
03. Scored Supply MatchSUPPLIER NODE
SUP-991298/100 Match

MedSupply Dynamics LLC

ISO-13485 Verified
Supplier Payout:$41,175.00
Status:Capacity Allocated (100% Stock)
• Direct Payout Schedule Armed
Matching Engine & Settlement

Multi-Sided Matching & Dispute Settlement Console

Marketplaces do not merely list products. They match buyer intent with constrained supply, calculate take rates, hold funds in compliant escrow, and enforce dispute boundaries.

INCOMING DEMAND INBOX4 LIVE RFQ / BOOKING CASES
Select request to recalculate matching scores & payout ledger
Active Intent Pipeline:
REQ-207Professional Services / DevOps

Incident response & Kubernetes migration within 2 hours

Transaction Budget$8,500.00
Ranked & Scored Supplier Matches3 Eligible Providers Evaluated
98

Alpha DevOps Guild

SOC2 + AWS Verified
3 Engineers Ready
Est. Payout$7,437.50
75

Beta Cloud Partners

GCP Certified
1 Engineer (Standby)
Est. Payout$7,437.50
40

Gamma Infra Group

General Member
At Maximum Capacity
Est. PayoutN/A
Routing Decision

Auto-routed to Alpha DevOps Guild. Highest SLA & credential compliance match.

Escrow Custody & Release Rule

Full $8,500 held in platform escrow; 50% milestone release on K8s deploy, 50% on audit signoff.

Take-Rate: 12.5% | Escrow Smart Contract Armed

Seller Operations Workspace

Marketplace supply isn't static. Providers require complex workflows to manage listing visibility, calendar capacity, inbound requests, and financial settlement boundaries.

Inbound Requests

Review and act on platform-routed demand

2 Action Required
REQ-207

Premium Consultation

Buyer: Alex M. (New) • Location: Zone A • Distance: 4.2 mi

Requested Slot: Today, 14:00 - 16:00

Expires in 2hEst. Payout: $450
REQ-206

Standard Audit

Buyer: Sarah K. (Returning) • Location: Zone B

Accepted
Multi-Party State Machine

Multi-Party Escrow, Milestone & Dispute Lifecycle

Unlike single-merchant retail, a marketplace transaction is a three-way state machine between Buyer, Platform Escrow, and Provider. Compare standard settlement against dispute arbitration.

01

Discovery & Offer Match

Actor: Buyer

Buyer selects verified provider and commits requirement specifications.

Offer terms cryptographically signed12ms Match Latency
02

Pre-Auth & Escrow Lock

Actor: Platform Escrow

Funds captured into isolated platform escrow account; provider notified.

100% Capital Verified in CustodyStripe Connect Hold Active
03

Milestone Fulfillment

Actor: Provider

Provider executes delivery / service telematics stream proof-of-work.

SLA Delivery Window EnforcedMilestone 1 & 2 Completed
04

Inspection & Acceptance

Actor: Buyer

Buyer confirms satisfaction or 48hr auto-acceptance window elapses.

Explicit or Time-Bounded SignoffDigital Acceptance Token
05

Split Payout & Commission

Actor: Platform Escrow

Platform take-rate retained (12%); net proceeds remitted to provider account.

Automated ACH / Wire ClearingTx Hash: 0x9f8a...331b
Platform Architecture

Tripartite Multi-Tenant Exchange & Escrow Architecture

A sustainable marketplace never assumes liability for the underlying service. It operates as the immutable trust layer, managing verified state transitions between distributed untrusted participants.

01. DEMAND DOMAINCYAN BOUNDARY

Buyer & Liquidity Ingestion

Capture buyer intent, enforce search filters, and handle client payment auth

Strict Domain Responsibilities
Discovery, faceted search & ranking queries
Payment tokenization & authorization hold
SLA requirement & delivery constraints
Proof-of-delivery signoff & dispute intake
Subsystems
Next.js Buyer PWASearch Index EdgePSP Vault (Stripe/Adyen)
Boundary:Client Intent Token (No Direct Vendor Comm)
02. PLATFORM CLEARINGHOUSEINDIGO BOUNDARY

Central Exchange & Governance Core

The immutable trust arbiter executing matching, fee splits, and escrow releases

Strict Domain Responsibilities
Geospatial and capacity matching algorithm
Dynamic take-rate & platform commission split
Escrow custody state machine & milestone locks
Reputation scoring, fraud detection & arbitration
Subsystems
Matching EngineSplit Settlement LedgerArbitration Queue
Boundary:Immutable Transaction Ledger (ACID Custody)
03. SUPPLY DOMAINEMERALD BOUNDARY

Provider & Merchant Fulfillment

Manage vendor catalog, broadcast availability, and receive split payouts

Strict Domain Responsibilities
Capacity calendar & real-time slot sync
KYC identity & insurance certificate verification
Service execution telemetry & shipment tracking
Automated batch payouts & 1099 tax exports
Subsystems
Provider PortalTelematics / WMS APIStripe Connect / Payouts
Boundary:Vendor Service Level Agreement (SLA Binding)
Marketplace Defensiveness

Marketplaces fail due to unhandled state, not traffic.

A demo handles the happy path. A production marketplace survives the edge cases. We design architectures assuming actors are unreliable, latency exists, and disputes are inevitable.

Supply Evaporation

ERR_01

Providers are autonomous. A matched provider may go offline before accepting an inquiry. We implement silent re-routing and strict timeouts rather than hanging the buyer session.

Automated Re-route

Demand Expiry

ERR_02

Intent decays. If a buyer request is not matched within the SLA, the system aggressively expires the request to prevent fulfilling obsolete intent.

State Purged

Dispute Arbitration

ERR_03

Fraud and dissatisfaction occur. The architecture includes an admin-accessible ledger allowing platform operators to override automated settlement clearance.

Manual Intervention Required