# Verify Before Production

Test compatibility, inspect exact contracts and review the security and assurance boundary.

This is a task-focused entry point. Open only the guide required for the next decision or implementation step.

## Guides in this section

1. [Hosted Sandbox](https://supply-y.net/docs/markdown/sandbox.md): Create a short-lived test session and run signed Policy Receipts, encrypted Packages, recipient receipts, notifications and audit evidence against the Protocol 1.0 API.
2. [Protocol Playground](https://supply-y.net/docs/markdown/playground.md): Edit and validate Supply-Y protocol objects locally in the browser using the published schemas, fixtures and domain conformance profile.
3. [Schemas & Examples](https://supply-y.net/docs/markdown/reference.md): Inspect Supply-Y JSON Schemas, valid examples, red-team fixtures, machine-readable conformance cases and validation evidence.
4. [Security & Trust](https://supply-y.net/docs/markdown/security.md): Supply-Y data ownership, encryption, key trust, policy receipts, malicious-input controls, audit integrity and explicit security limits.
5. [Conformance](https://supply-y.net/docs/markdown/conformance.md): Executable Supply-Y object, thread-context, cryptographic, Safe Agent and transport checks, plus production certification requirements.

For less common topics, browse [all Supply-Y documentation](https://supply-y.net/docs/markdown/all.md).

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Canonical HTML: [Verify Supply-Y](https://supply-y.net/docs/verify)
Agent documentation index: [llms.txt](https://supply-y.net/llms.txt)