> ## Documentation Index > Fetch the complete documentation index at: https://docs.0xmonaco.com/llms.txt > Use this file to discover all available pages before exploring further. # Post apiv1marginaccounts collateraltransfer out ## OpenAPI ````yaml /proto-openapi/api/openapi.yaml post /api/v1/margin/accounts/{marginAccountId}/collateral/transfer-out openapi: 3.0.3 info: title: Monaco Protocol API description: REST API for the Monaco Protocol hybrid CLOB exchange. version: 1.0.0 servers: - url: https://staging.apimonaco.xyz description: Staging server (Testnet) security: [] tags: - name: AccountsService - name: ApplicationsService - name: AuthService - name: BuildercodeRewardsService - name: CopyTradingService - name: DelegatedAgentsService - name: FaucetService - name: FeesService - name: HealthService - name: ManagedMarketsService description: |- Wallet-authenticated maker assignments. The signed session must match both configured maker user and application. Owner IDs are process fences, never auth. Only wallet sessions are supported; delegated-agent sessions receive 403. - name: MarginAccountsService description: |- Current public isolated-margin semantics: - a user has one parent margin account per application scope - opening orders create or reuse isolated position buckets under that parent - parent account creation is handled internally by margin workflows - name: MarketService - name: OrderbookService - name: OrdersService - name: PositionsService description: |- Current public isolated-margin semantics: - positions link to a parent margin account and, when applicable, a bucket id - opening orders create or reuse isolated position buckets under the parent - users can open another isolated position by reusing the parent account with a different market bucket - name: PulseService - name: SweeperService - name: TraderCodeService - name: TradesService - name: WhitelistService - name: WithdrawalsService paths: /api/v1/margin/accounts/{marginAccountId}/collateral/transfer-out: post: tags: - MarginAccountsService operationId: transfer_collateral_from_margin_account parameters: - name: marginAccountId in: path description: Parent margin account UUID that releases collateral. required: true schema: type: string default: 2b1a5f9c-0000-4000-8000-000000000001 example: 2b1a5f9c-0000-4000-8000-000000000001 requestBody: content: application/json: schema: $ref: '#/components/schemas/TransferCollateralFromMarginAccountRequest' required: true responses: '200': description: OK content: application/json: schema: $ref: >- #/components/schemas/TransferCollateralFromMarginAccountResponse '429': description: >- Movement rate limit exceeded — withdrawals and collateral transfers share a per-user budget; retry after the interval in details.retryAfter security: - monacoSignature: [] - monacoHttpSignature: [] components: schemas: TransferCollateralFromMarginAccountRequest: type: object properties: marginAccountId: type: string description: Parent margin account UUID that releases collateral. nullable: true asset: type: string nullable: true amount: type: string nullable: true tradingPairId: type: string description: >- Optional trading pair UUID used to release collateral from an isolated risk bucket under the parent margin account. If omitted, the transfer applies to the parent margin account only. nullable: true format: uuid strategyKey: type: string description: >- Optional strategy key echoed in responses when callers scope a risk bucket. nullable: true marginMode: type: string description: >- Risk bucket mode. Defaults to ISOLATED, which is selected by tradingPairId. Pass CROSS to release from the account's cross risk bucket, which has no trading pair and so cannot be named any other way. Values: ISOLATED, CROSS. nullable: true TransferCollateralFromMarginAccountResponse: type: object properties: movementId: type: string nullable: true marginAccountId: type: string nullable: true asset: type: string nullable: true amount: type: string nullable: true status: type: string nullable: true newEquity: type: string nullable: true newTotalCollateralValue: type: string nullable: true newWithdrawableCollateral: type: string description: >- The largest amount a further transfer-out will accept after this one. See `MarginAccountSummary.withdrawable_collateral`: this is an allocation-bounded figure, not clamped equity headroom. Truncated toward zero at the collateral asset's precision. nullable: true strategyKey: type: string nullable: true securitySchemes: monacoSignature: type: apiKey description: >- Ed25519 session-key request signing. Every authenticated request carries three headers: `X-Monaco-PublicKey` (64-char lowercase-hex session public key), `X-Monaco-Timestamp` (Unix milliseconds, within 30s of server time), and `X-Monaco-Signature` (hex ed25519 signature). The signature is over `METHOD\npath?query\ntimestamp_ms\nSHA256_hex(body)`, where the body hash is the SHA-256 of the empty byte string when there is no body. Obtain the session keypair from `POST /api/v1/auth/challenge` followed by `POST /api/v1/auth/verify`. name: X-Monaco-Signature in: header monacoHttpSignature: type: apiKey description: >- RFC 9421 Ed25519 session-key request signatures. Send Signature-Input, Signature, and Content-Digest together; never combine them with X-Monaco-* credentials. The monaco signature covers @method, @path, @query, and content-digest in that order, with created (Unix seconds within 30s of server time), keyid (registered lowercase-hex session public key), and alg=ed25519 parameters. Content-Digest uses RFC 9530 sha-256 over the exact body bytes, including the empty body. Query coverage retains ordering and percent encoding. Timestamp freshness does not reject repeated identical requests; use endpoint idempotency where supported. Existing legacy signing remains supported during server-first migration; SDK RFC 9421 signing is opt-in. See https://docs.0xmonaco.com/reference/http-message-signatures for the complete profile and trust model. name: Signature in: header ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.