> For the complete documentation index, see [llms.txt](https://shinkalabs.gitbook.io/hub/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://shinkalabs.gitbook.io/hub/andromeda/sdks-and-tooling/ts-client.md).

# Typed TypeScript client

When you deploy a [policy](/hub/andromeda/guides/deploy-policy.md), Andromeda can hand you a typed TypeScript client tailored to that specific policy: the right calls, the right types, for the configuration you deployed.

{% hint style="info" %}
Exact request and response bodies are in the [OpenAPI spec](https://api.andromedainfra.pro/openapi.json).
{% endhint %}

## Get it

After a policy is deployed, call the policy's SDK metadata endpoint with its address. Andromeda returns:

* a **tarball URL** for the generated client package, and
* an **install command** you can run as-is.

The artifact is published by a build step, so the URL points at a real package once that step has run for your policy.

## Use it

Install with the returned command, then import the client and call its methods. Because it is generated from the policy's actual on-chain shape, the calls and types match what that policy expects; you do not hand-roll request bodies.

## When to use it

* You deployed a policy and want a typed surface for it in a TypeScript codebase.
* You want compile-time checks that you are calling the policy correctly.

## When the OpenAPI spec is enough

For the rest of the API (signing, recovery, the Encrypt surface, webhooks, audit), the [OpenAPI 3.1 spec](https://api.andromedainfra.pro/openapi.json) plus a generator (see [OpenAPI codegen](/hub/andromeda/sdks-and-tooling/codegen.md)) gives you a typed client in any language. The per-policy TypeScript client is the specialised tool for the policy surface specifically.


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