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OpenAPI Specification

openapi: 3.2.0
info:
  title: SynFutures RWA Trading Cash Portfolio API
  version: v1
  description: RESTful API for SynFutures tokenized stock (Real-World Asset) trading. Covers market data, portfolio, order placement (calldata build + One Click delegated send), cash and stock deposits/withdrawals, and One Click (1CT) delegation management. All /api/v1 endpoints require HMAC-SHA256 request authentication with an IP-whitelisted partner API key.
  contact:
    name: SynFutures
    url: https://docs.synfutures.com/rwa-trading-apis/readme
  x-logo:
    url: https://www.synfutures.com/assets/trade_every_asset.png
servers:
- url: https://base-api.synfutures.com/rwa/trading
  description: RWA Trading API (base path /api/v1)
security:
- ApiKeyAuth: []
  ApiTimestamp: []
  ApiNonce: []
  ApiSignature: []
  ApiChainId: []
  ApiProduct: []
tags:
- name: Portfolio
  description: User info, balances, and positions
paths:
  /api/v1/users/{userId}:
    get:
      operationId: getUser
      tags:
      - Portfolio
      summary: User info
      parameters:
      - $ref: '#/components/parameters/UserId'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/users/{userId}/balance:
    get:
      operationId: getUserBalance
      tags:
      - Portfolio
      summary: Balances
      parameters:
      - $ref: '#/components/parameters/UserId'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/users/{userId}/positions:
    get:
      operationId: getUserPositions
      tags:
      - Portfolio
      summary: Positions
      parameters:
      - $ref: '#/components/parameters/UserId'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  parameters:
    UserId:
      name: userId
      in: path
      required: true
      schema:
        type: string
  schemas:
    Envelope:
      type: object
      description: All responses share this envelope.
      properties:
        code:
          type: integer
          description: 200 on success; error code otherwise.
          example: 200
        errMsg:
          type: string
          description: Empty on success; descriptive message on error.
        data:
          description: Response payload (shape varies per endpoint).
        uuid:
          type:
          - string
          - 'null'
          description: Request/trace identifier (null when not applicable).
        t:
          type:
          - integer
          - 'null'
          description: Server timestamp (null when not applicable).
  responses:
    Envelope:
      description: Standard response envelope
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Envelope'
    Unauthorized:
      description: Authentication failed (invalid key, signature, drift, or empty IP whitelist)
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Envelope'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: Partner API key (must be active, unexpired, and IP-whitelisted).
    ApiTimestamp:
      type: apiKey
      in: header
      name: x-api-ts
      description: Unix millisecond timestamp; must be within 45s drift tolerance.
    ApiNonce:
      type: apiKey
      in: header
      name: x-api-nonce
      description: Unique replay-prevention nonce per key within the 45s window (UUID recommended).
    ApiSignature:
      type: apiKey
      in: header
      name: x-api-sign
      description: HMAC-SHA256 signature over the canonical request, hex-encoded (case-insensitive).
    ApiChainId:
      type: apiKey
      in: header
      name: x-api-chain-id
      description: Chain identifier (e.g. 8453 Base, 1 Ethereum, 143 Monad).
    ApiProduct:
      type: apiKey
      in: header
      name: x-api-p
      description: Product type; use "Synfutures".