> ## Documentation Index > Fetch the complete documentation index at: https://docs.polymarket.com/llms.txt > Use this file to discover all available pages before exploring further. # Update Leverage > Perps WebSocket leverage updates. ## AsyncAPI ````yaml asyncapi-perps.json updateLeverage id: updateLeverage title: Update Leverage description: | Set leverage and margin type for an instrument. Requires proxy signature, see [proxy signing](/http/signing#2-proxy-signing). Action Weight: **1** servers: - id: production protocol: wss host: ws.perpetuals.polymarket.com bindings: [] variables: [] address: /v1/ws parameters: [] bindings: [] operations: - &ref_1 id: UpdateLeverageSend title: Update leverage send description: Update leverage type: receive messages: - &ref_3 id: Request contentType: application/json payload: - name: Update Leverage Request description: Client submits a signed leverage update request type: object properties: - name: id type: integer description: Correlation ID for request-response matching required: false - name: req type: string description: Request type enumValues: - post - sub - unsub required: true - name: op type: object required: true properties: - name: type type: string enumValues: - updateLeverage required: true - name: args type: object required: true properties: - name: iid type: integer description: Instrument ID required: true - name: lev type: integer description: Leverage required: true - name: cross type: boolean description: Whether to use cross margin mode required: true - name: sig type: string description: Signature in hex format required: true - name: salt type: integer description: Salt required: true - name: ts type: integer description: >- Request timestamp. Unix milliseconds for most operations; Unix seconds for withdrawals (must match the on-chain EIP-712 struct verified against block.timestamp). required: true headers: [] jsonPayloadSchema: type: object title: Base Request properties: id: type: integer description: Correlation ID for request-response matching x-parser-schema-id: req: type: string description: Request type enum: - post - sub - unsub x-parser-schema-id: op: type: object required: - type - args properties: type: type: string enum: - updateLeverage x-parser-schema-id: args: type: object required: - iid - lev - cross properties: iid: type: integer description: Instrument ID example: 1 x-parser-schema-id: lev: type: integer description: Leverage example: 10 x-parser-schema-id: cross: type: boolean description: Whether to use cross margin mode x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: sig: type: string description: Signature in hex format example: 0x1234567890... x-parser-schema-id: salt: type: integer description: Salt example: 1234567890 x-parser-schema-id: ts: type: integer description: >- Request timestamp. Unix milliseconds for most operations; Unix seconds for withdrawals (must match the on-chain EIP-712 struct verified against block.timestamp). example: 1767225600000 x-parser-schema-id: required: - req - op - sig - salt - ts x-parser-schema-id: title: Update Leverage Request description: Client submits a signed leverage update request example: |- { "req": "post", "op": { "type": "updateLeverage", "args": { "iid": 1, "lev": 10 } }, "sig": "0x1234567890...", "salt": 1234567890, "ts": 1767225600000 } bindings: [] extensions: - id: x-parser-unique-object-id value: Request bindings: [] extensions: &ref_0 - id: x-parser-unique-object-id value: updateLeverage - &ref_2 id: UpdateLeverageReceive title: Update leverage receive description: Update leverage response type: send messages: - &ref_4 id: Response contentType: application/json payload: - name: Update Leverage Response description: Server responds with leverage update result type: object properties: - name: id type: integer description: Correlation ID for request-response matching required: false - name: data type: object required: true properties: - name: status type: string enumValues: - ok required: true - name: status type: string enumValues: - err required: true - name: error type: string description: >- Error identifier. For domain rejections and transport errors (`401`/`404`/`429`/`500`) this is a stable, machine-readable snake_case identifier that is part of the API contract and safe to branch on, e.g. `insufficient_margin`, `insufficient_balance`, `order_not_found`, `reduce_only_invalid`, `unauthorized`, `not_found`. For `400` it is a human-readable validation detail whose wording may change. See the Error handling guide for the domain identifiers. (Post-only / Fill-or-Kill outcomes are order statuses such as `post_only_rejected`, not rejections.) required: true headers: [] jsonPayloadSchema: type: object title: Base Response properties: id: type: integer description: Correlation ID for request-response matching x-parser-schema-id: data: oneOf: - type: object required: - status properties: status: type: string enum: - ok x-parser-schema-id: x-parser-schema-id: - type: object required: - status - error properties: status: type: string enum: - err x-parser-schema-id: error: type: string description: >- Error identifier. For domain rejections and transport errors (`401`/`404`/`429`/`500`) this is a stable, machine-readable snake_case identifier that is part of the API contract and safe to branch on, e.g. `insufficient_margin`, `insufficient_balance`, `order_not_found`, `reduce_only_invalid`, `unauthorized`, `not_found`. For `400` it is a human-readable validation detail whose wording may change. See the Error handling guide for the domain identifiers. (Post-only / Fill-or-Kill outcomes are order statuses such as `post_only_rejected`, not rejections.) example: insufficient_margin x-parser-schema-id: x-parser-schema-id: x-parser-schema-id: required: - data x-parser-schema-id: title: Update Leverage Response description: Server responds with leverage update result example: |- { "id": 6, "data": { "status": "ok" } } bindings: [] extensions: - id: x-parser-unique-object-id value: Response bindings: [] extensions: *ref_0 sendOperations: - *ref_1 receiveOperations: - *ref_2 sendMessages: - *ref_3 receiveMessages: - *ref_4 extensions: - id: x-parser-unique-object-id value: updateLeverage securitySchemes: [] ````