> ## Documentation Index > Fetch the complete documentation index at: https://docs.nxos.io/llms.txt > Use this file to discover all available pages before exploring further. # Execute quote > Execute a pending quote. The quote must not be expired or already executed. On success, the trade is completed atomically and the balances are updated. ## OpenAPI ````yaml POST /v1/quotes/{quoteId}/execute openapi: 3.0.0 info: title: nxos API version: 1.0.0 contact: name: nxos url: https://nxos.io description: |- The nxos platform API provides programmatic access to accounts, balances, quotes, and trades. All endpoints require API key authentication. servers: - url: https://api.nxos.io description: Production variables: {} - url: https://api.sandbox.nxos.io description: Sandbox variables: {} security: [] tags: - name: Accounts - name: Quotes - name: Beneficiaries - name: Fiat Payouts - name: Crypto Payouts - name: Nxosnet - name: Fees - name: Funding Methods - name: Transactions - name: Organizations - name: Authorizations - name: Webhooks description: >- Register an HTTPS endpoint to receive events (organization verification and transaction status changes) instead of polling. Deliveries are signed; verify the `svix-signature` header before acting on an event. See the [Webhooks guide](https://docs.nxos.io/core-concepts/webhooks) for the delivery format, signature verification, retries, and broker behavior. Payload shapes are documented in the `…Event` models below. paths: /v1/quotes/{quoteId}/execute: post: tags: - Quotes description: >- Execute a pending quote. The quote must not be expired or already executed. On success, the trade is completed atomically and the balances are updated. operationId: Quotes_execute parameters: - $ref: '#/components/parameters/ApiKeyAuth' - $ref: '#/components/parameters/IdempotencyKey' - name: quoteId in: path required: true schema: type: string responses: '200': description: The request has succeeded. content: application/json: schema: $ref: '#/components/schemas/Trade' '401': description: Access is unauthorized. content: application/json: schema: $ref: '#/components/schemas/Error401' '404': description: The server cannot find the requested resource. content: application/json: schema: $ref: '#/components/schemas/Error404' '409': description: The request conflicts with the current state of the server. content: application/json: schema: $ref: '#/components/schemas/Error409' '429': description: Client error content: application/json: schema: $ref: '#/components/schemas/Error429' '500': description: Server error content: application/json: schema: $ref: '#/components/schemas/Error500' components: parameters: ApiKeyAuth: name: Authorization in: header required: true description: 'Bearer token. Format: `Bearer `' schema: type: string IdempotencyKey: name: Idempotency-Key in: header required: false description: >- Unique key per logical operation. UUID v4 recommended. Max 255 characters. schema: type: string schemas: Trade: type: object required: - object - transactionId - quoteId - fromAsset - toAsset - fromAmount - toAmount - status - createdAt properties: object: type: string enum: - trade description: Object type. Always `trade`. transactionId: type: string description: Unique transaction identifier. quoteId: type: string description: The quote that was executed. fromAsset: type: string description: Source asset code. toAsset: type: string description: Destination asset code. fromAmount: allOf: - $ref: '#/components/schemas/amount' description: Source amount in major units. toAmount: allOf: - $ref: '#/components/schemas/amount' description: Destination amount in major units. status: type: string enum: - COMPLETED description: Transaction status. createdAt: allOf: - $ref: '#/components/schemas/dateTimeString' description: When the trade was executed. description: Result of executing a quote. example: object: trade transactionId: txn_b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5 quoteId: quote_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4 fromAsset: USD toAsset: USDC fromAmount: '10000.00' toAmount: '9997.000000' status: COMPLETED createdAt: '2025-03-15T14:31:00.000Z' Error401: type: object required: - error properties: error: $ref: '#/components/schemas/ErrorBody' description: Standard error response returned by all endpoints on failure. example: error: code: missing_api_key message: No Authorization header provided. requestId: req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4 Error404: type: object required: - error properties: error: $ref: '#/components/schemas/ErrorBody' description: Standard error response returned by all endpoints on failure. example: error: code: not_found message: The requested resource was not found. requestId: req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4 Error409: type: object required: - error properties: error: $ref: '#/components/schemas/ErrorBody' description: Standard error response returned by all endpoints on failure. example: error: code: quote_expired message: The quote has expired. requestId: req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4 Error429: type: object required: - error properties: error: $ref: '#/components/schemas/ErrorBody' description: Standard error response returned by all endpoints on failure. example: error: code: rate_limited message: 'Rate limit exceeded: 1000 requests per minute. Retry in 23 seconds.' requestId: req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4 Error500: type: object required: - error properties: error: $ref: '#/components/schemas/ErrorBody' description: Standard error response returned by all endpoints on failure. example: error: code: internal_error message: An unexpected server error occurred. requestId: req_a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4 amount: type: string description: >- Monetary amount as a decimal string in major units (e.g., `"10.50"` for ten dollars and fifty cents). Amounts are always returned at the asset's native precision — for example, USDT amounts have 6 decimal places (`"10.500000"`). Clients should parse amounts as arbitrary-precision decimals, never as floating-point numbers, to avoid rounding errors. Internally, the platform stores all amounts as integer subunits and converts at the API boundary. dateTimeString: type: string description: ISO 8601 timestamp string. ErrorBody: type: object required: - code - message - requestId properties: code: allOf: - $ref: '#/components/schemas/ErrorCode' description: Machine-readable error code. message: type: string description: Human-readable error message. requestId: type: string description: Unique identifier for this request, useful for debugging. ErrorCode: type: string enum: - missing_api_key - authentication_failed - invalid_api_key - forbidden - not_found - organization_not_found - account_not_found - quote_not_found - beneficiary_not_found - transaction_not_found - funding_method_not_found - authorization_not_found - nxosnet_handle_not_found - quote_expired - quote_already_used - beneficiary_already_archived - beneficiary_not_archived - beneficiary_blocked - nxosnet_not_enabled - nxosnet_handle_taken - chain_send_failed - idempotency_key_in_use - idempotency_request_in_flight - invalid_request - insufficient_funds - validation_error - share_token_invalid - verification_import_unsupported - rate_limited - webhooks_unavailable - internal_error description: All possible error codes returned by the API. ````