> ## Documentation Index
> Fetch the complete documentation index at: https://docs.typesafe.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Common types

> Common types for TypeSafe API SDK.

export function SdkSignature({children}) {
  async function copy(event) {
    const button = event.currentTarget;
    const code = button.parentElement.querySelector("pre code");
    try {
      await navigator.clipboard.writeText(code.textContent);
      button.setAttribute("aria-label", "Signature copied");
      button.dataset.copied = "true";
    } catch {
      button.setAttribute("aria-label", "Copy failed; select the signature to copy");
    }
    setTimeout(() => {
      button.setAttribute("aria-label", "Copy signature");
      delete button.dataset.copied;
    }, 2000);
  }
  return <div className="sdk-signature not-prose">
      <button type="button" className="sdk-signature-copy" aria-label="Copy signature" onClick={copy}>
        <svg aria-hidden="true" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5">
          <rect x="8" y="8" width="12" height="12" rx="2" />
          <path d="M16 8V5a2 2 0 0 0-2-2H5a2 2 0 0 0-2 2v9a2 2 0 0 0 2 2h3" />
        </svg>
      </button>
      <pre tabIndex={0} aria-label="SDK signature"><code>{children}</code></pre>
    </div>;
}

<a id="common-types" />

<h2 id="typesafe_sdk.JSONValue">
  typesafe\_sdk.JSONValue <small><code>module-attribute</code></small>
</h2>

<SdkSignature>
  <span className="n">{"JSONValue"}</span><span className="p">{":"}</span>{" "}<span className="n"><a href="https://docs.python.org/3/library/typing.html#typing.TypeAlias">{"TypeAlias"}</a></span>{" "}<span className="o">{"="}</span>{" "}<span className="p">{"("}</span>{"\n"}{"    "}<span className="n"><a href="https://docs.python.org/3/library/stdtypes.html#str">{"str"}</a></span>{"\n"}{"    "}<span className="o">{"|"}</span>{" "}<span className="n"><a href="https://docs.python.org/3/library/functions.html#int">{"int"}</a></span>{"\n"}{"    "}<span className="o">{"|"}</span>{" "}<span className="n"><a href="https://docs.python.org/3/library/functions.html#float">{"float"}</a></span>{"\n"}{"    "}<span className="o">{"|"}</span>{" "}<span className="n"><a href="https://docs.python.org/3/library/functions.html#bool">{"bool"}</a></span>{"\n"}{"    "}<span className="o">{"|"}</span>{" "}<span className="n"><a href="https://docs.python.org/3/library/stdtypes.html#list">{"list"}</a></span><span className="p">{"["}</span><span className="s2">{"\"JSONValue | None\""}</span><span className="p">{"]"}</span>{"\n"}{"    "}<span className="o">{"|"}</span>{" "}<span className="n"><a href="https://docs.python.org/3/library/stdtypes.html#dict">{"dict"}</a></span><span className="p">{"["}</span><span className="n"><a href="https://docs.python.org/3/library/stdtypes.html#str">{"str"}</a></span><span className="p">{","}</span>{" "}<span className="s2">{"\"JSONValue | None\""}</span><span className="p">{"]"}</span>{"\n"}<span className="p">{")"}</span>{"\n"}
</SdkSignature>

A non-null JSON value, with null permitted inside arrays and objects.