Open Source: free and self-hosted. Free: $0/month hosted plan with up to 5 members. Scale: $20 per user per month. Enterprise: Custom annual contract.
Starter: $199/month (2 active mandates, 5,000 rulings/month). Team: $799/month (20 active mandates, 100,000 rulings/month). Enterprise: Custom pricing. Additional: $20/month per further active mandate and $1 per further 1,000 rulings. Merchants accepting AI-agent payments: 0.5% per settled payment,
Key features
Tool call interception for all agent frameworks
Automatic approval rules to prevent fatigue
AI judge for complex rule evaluation
Works with LangGraph, CrewAI, Mastra, Claude Agent SDK and more
Open Agent Approval Protocol for framework independence
Self-hosted or cloud-hosted deployment options
Custom permission policies and organization controls
Shadow mode for testing intents without execution
Execute intents in Sandbox (paper fills) or Production (queued orders)
Halt all signing across account with single control
Permissions limited by venue, action, per-transaction and daily caps, expiring within ninety days
Reconciled books recorded on-chain
Receipts with Decionis ruling, order, fill transaction, settlement, ledger entries and balance
HTTP API with strategy contract
Typed error handling with rate limiting and retry support
Idempotent intent submission with intentKey for safe retries
What makes it different
Framework-agnostic: works with any AI agent through the open Agent Approval Protocol
No vendor lock-in: open source spec and SDKs let you swap providers without rewriting agents
Comprehensive audit trail for accountability and compliance
Meets reviewers where they work with multi-platform notifications
Policy-based routing to eliminate approval bottlenecks
Pre-trade checks ensure intents meet policy before execution
Sandbox environment for paper trading and testing without real execution
Recorded decisions and books reconciled on-chain for audit and transparency
SDKs and MCP server free under Apache License 2.0
User retains custody and control; platform cannot access wallet or private keys
withHuman
Nevarn