[**@langchain/langgraph-sdk**](../README.md)

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[@langchain/langgraph-sdk](../README.md) / ClientConfig

# Interface: ClientConfig

Defined in: [client.ts:163](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/client.ts#L163)

## Properties

### apiKey?

> `optional` **apiKey**: `string`

Defined in: [client.ts:165](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/client.ts#L165)

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### apiUrl?

> `optional` **apiUrl**: `string`

Defined in: [client.ts:164](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/client.ts#L164)

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### callerOptions?

> `optional` **callerOptions**: `AsyncCallerParams`

Defined in: [client.ts:166](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/client.ts#L166)

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### defaultHeaders?

> `optional` **defaultHeaders**: `Record`\<`string`, `HeaderValue`\>

Defined in: [client.ts:168](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/client.ts#L168)

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### onRequest?

> `optional` **onRequest**: [`RequestHook`](../type-aliases/RequestHook.md)

Defined in: [client.ts:169](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/client.ts#L169)

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### timeoutMs?

> `optional` **timeoutMs**: `number`

Defined in: [client.ts:167](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/client.ts#L167)