Pricing
Start free. Scale when you need to.
Every plan ships the full STACK: passports, drop-offs, skills, agents, identity, and audit — all end-to-end encrypted and tamper-evident. Prepaid credits, no card auto-charging.
Free $0forever Ship your first agent. | Developer $9.99/ month Solo devs and vibe coders. | Studio $99/ month Teams shipping agents. | Enterprise Custom Organizations at scale. | |
|---|---|---|---|---|
| Capacity | ||||
Agents AI agents you register. Each gets its own passport and audit trail. | 5 | 25 | 100 | Unlimited |
Team members Teammates who manage agents and invoke skills under your account. | 1 | 5 | 25 | Unlimited |
Service connections External apps (Slack, GitHub, Gmail, …) your agents can call through. | 3 | 25 | Unlimited | Unlimited |
Published skills Skills you can publish to the marketplace for other operators to run. | 3 | 25 | 100 | Unlimited |
| Monthly allowance | ||||
Passports Signed single-use credentials an agent presents when calling services. | 50,000+$0.0001 each over | 500,000+$0.0001 each over | 5,000,000+$0.0001 each over | Unlimited |
Drop-offs Agent-to-agent payload handoffs with TTL and optional schema check. | 500+$0.0001 each over | 25,000+$0.0001 each over | 250,000+$0.0001 each over | Unlimited |
Proxy calls HTTP calls your agents make via /v1/proxy. Credentials stay server-side. | 5,000+$0.001 each over | 50,000+$0.001 each over | 500,000+$0.001 each over | Unlimited |
Free skill calls Calls to skills priced at zero — discovery and trust gate, no fee. | 1,000+$0.001 each over | 25,000+$0.001 each over | 250,000+$0.001 each over | Unlimited |
| Pay-as-you-go | ||||
Sealed compute Sealed skill execution on STACK infra (LLM + sandboxed script). | At cost + 15% | At cost + 15% | At cost + 15% | Negotiated |
Identity verifications First L2 verification free. L1 always free. BankID, Plaid, Stripe Identity. | At cost + 15% | At cost + 15% | At cost + 15% | Negotiated |
Paid skill calls Calls to skills with a publisher price. Charged straight from credits. | Pay-as-you-go | Pay-as-you-go | Pay-as-you-go | Pay-as-you-go |
| Publishing | ||||
Commission STACK's share when someone invokes a paid skill you published. | 30% | 20% | 15% | Negotiated |
| Compliance & support | ||||
Audit log retention How long your hash-chained audit log is kept before automatic prune. | 7 days | 30 days | 90 days | Up to 1 year |
Support Where you go when something breaks. Response time varies by tier. | Community | Priority | Dedicated | |
SSO & SAML Sign in via your corporate identity provider. SAML 2.0 and OIDC. | — | — | — | ✓ |
Dedicated infrastructure Isolated compute and database not shared with other tenants. | — | — | — | ✓ |
SLA guarantee Contracted uptime target with credit if we fall short. | — | — | — | ✓ |