Levee vs WBX Sandbox

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Levee compared with WBX Sandbox
Detail	Levee	WBX Sandbox
What it does	Authorization layer for AI agent spend with human-approved mandates and tamper-evident proof	Secure execution for AI agents in isolated Firecracker microVMs or WebAssembly
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	CZ
Pricing model	Free trial	Not given
Pricing	Free 12 week pilot for card issuing platforms	Free plan: no card required, 5 concurrent sandboxes, up to 1 hour per sandbox, one-time welcome credit. Pro: $49.00/month (excl. VAT) with $25.00 usage credit, 25 concurrent sandboxes, up to 24 hours per sandbox, 100 vCPU/100 GB RAM total. Team: $119.00/month (excl. VAT) with $50.00 usage credit, 10
Key features	Passkey-signed spend mandates with purpose, budget, merchants, and time windows Real-time authorization decisions with sub-1 second response time at p99 Human challenge via passkey step-up for exceptional spend Fail-closed payment processing if no decision arrives in time Hash-chained evidence ledger with tamper-evident records Exportable evidence packs for chargebacks and audits Supports card, wallet, x402 and stablecoin payment rails	Isolated Firecracker microVMs with own kernel and filesystem Background jobs that survive disconnects Batch execution with up to 1,000 jobs and dependency passing WebAssembly jobs starting in milliseconds without VM boot Budget Guard with cost reserves and limits Execution receipts with runtime, isolation, resources and file hashes Native MCP server integration for ChatGPT and Claude Compact log digests instead of full 5,000-line logs Server-side job waiting with signed webhooks Verified package cache for PyPI, npm, Go and Rust
What makes it different	Human-approved mandates enforce intent, not just static limits or merchant category blocks Operates outside the agent in the issuer's authorization path, preventing agent bypass or override Creates tamper-evident audit trail linked to agent identity, run, and policy version Never holds funds or issues cards; integrates with existing issuer infrastructure Single mandate and policy core across multiple payment rails and issuers	Two runtimes with honest isolation labeling
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

4 details filled in for both companies.

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