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Poseidon by Trident

Plans and prices

Launch

$500a month

Digital, Directory, or Booking models · Stripe Connect split payouts · unified commission structure · standard dashboards and GMV reporting

Scale

$2,500a month

All six marketplace models · multi-provider payouts and platform fee rules · advanced onboarding, KYC, and compliance workflows · priority support with implementation SLA

Every plan, in full

On the record

AI features
The platform describes an operator assistant that can generate dashboards and answer marketplace questions within existing workflows.withtrident.com · read 9 Oct 2026
Headless architecture
Poseidon is API-first and event-driven, and can be embedded with a customer’s existing identity, data, and tooling.withtrident.com · read 9 Oct 2026
Intended customers
Trident describes Poseidon as marketplace infrastructure for teams launching and scaling marketplace businesses across commerce, fintech, and logistics.withtrident.com · read 9 Oct 2026
Marketplace models
The platform supports directory listings, consumer, B2B, service, booking, and digital marketplace models.withtrident.com · read 9 Oct 2026
Marketplace tools
Features include auctions, request-for-quote and offer workflows, competitive bidding, vendor management, seller onboarding, and payouts.withtrident.com · read 9 Oct 2026
Operations
The operator view reports GMV, vendors, orders, and take rate for marketplace operations.withtrident.com · read 9 Oct 2026
Payments
Poseidon connects to Adyen, Stripe Connect, Braintree, and additional payment processors for marketplace payouts.withtrident.com · read 9 Oct 2026
Pricing note
The pricing page says pricing scales with success and does not have a fixed take rate.withtrident.com · read 9 Oct 2026
Purpose
Poseidon is Trident’s marketplace platform for discovery, negotiation, onboarding, checkout, and payouts for multi-sided marketplaces.withtrident.com · read 9 Oct 2026
Seller onboarding
Seller onboarding workflows include KYC, catalog ingestion, and compliance checks.withtrident.com · read 9 Oct 2026
Standalone use
Poseidon can function as a standalone vendor management, order management, and commission management system.withtrident.com · read 9 Oct 2026
Support
The Launch plan lists email support, while the Scale plan lists priority support with an implementation SLA.withtrident.com · read 9 Oct 2026

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