Poseidon by Trident is an API-first marketplace platform for teams launching and scaling multi-sided businesses. It covers marketplace discovery, negotiation, seller onboarding, checkout, payouts, and operational management. The platform supports directory listings, consumer, B2B, service, booking, and digital marketplace models. Its workflows include auctions, request-for-quote and offer processes, competitive bidding, vendor management, seller onboarding, and payouts. Onboarding can include KYC, catalog ingestion, and compliance checks. Poseidon connects with Adyen, Stripe Connect, Braintree, and other payment processors for marketplace payouts. Its event-driven, headless design can be embedded with existing identity, data, and operational tools. An operator assistant can generate dashboards and answer marketplace questions within existing workflows. Operators can view GMV, vendors, orders, and take rate. Poseidon can also run as a standalone vendor, order, and commission management system. Launch costs $500.00 USD per month; Scale costs $2,500.00 USD per month.
Who it is for
Poseidon suits teams building marketplace businesses in commerce, fintech, or logistics. It is relevant to operators needing vendor workflows, marketplace payments, onboarding, and commission management.
What is good
- Supports six marketplace models
- Includes KYC and compliance workflows
- Connects multiple payment processors
- Offers automated payouts and commission rules
- Provides GMV and take-rate reporting
What to know first
- Paid plans start at $500/month
- No free plan
- Available as an API platform
Verdict
Poseidon combines marketplace workflows, onboarding controls, payment connections, and operational reporting in an API-first platform. Its two paid plans differ by supported models and payout capabilities.
Poseidon by Trident plans and pricing
All plansCompared on online marketplace software
- Free plan
- No
- Paid from
- $500/mo
- Commission rules
- Yes
- Automated payouts
- Yes
- Seller onboarding
- Yes
- Product types
- mixed
