SynFutures

SynFutures Cash API

Cash (USD) deposits and withdrawals

GitHub OpenAPI

Operations 10

POST /api/v1/cash/deposits/calldata Deposit calldata #
POST /api/v1/cash/deposits/send One Click deposit #
POST /api/v1/cash/deposits/tx Record deposit tx #
GET /api/v1/cash/deposits Deposit list #
GET /api/v1/cash/deposits/{operationId} Deposit detail #
POST /api/v1/cash/withdrawals/calldata Withdraw calldata #
POST /api/v1/cash/withdrawals/send One Click withdraw #
POST /api/v1/cash/withdrawals/tx Record withdraw tx #
GET /api/v1/cash/withdrawals Withdraw list #
GET /api/v1/cash/withdrawals/{operationId} Withdraw detail #

Documentation

📖
Authentication
https://raw.githubusercontent.com/api-evangelist/synfutures/refs/heads/main/authentication/synfutures-authentication.yml

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/synfutures/refs/heads/main/openapi/synfutures-cash-api-openapi.yml

Other Resources

🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/synfutures/refs/heads/main/apis.yml

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OpenAPI Specification

synfutures-cash-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: SynFutures RWA Trading Cash 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: Cash
  description: Cash (USD) deposits and withdrawals
paths:
  /api/v1/cash/deposits/calldata:
    post:
      operationId: buildCashDepositCalldata
      tags:
      - Cash
      summary: Deposit calldata
      requestBody:
        $ref: '#/components/requestBodies/Generic'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/deposits/send:
    post:
      operationId: sendCashDeposit
      tags:
      - Cash
      summary: One Click deposit
      requestBody:
        $ref: '#/components/requestBodies/Generic'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/deposits/tx:
    post:
      operationId: recordCashDepositTx
      tags:
      - Cash
      summary: Record deposit tx
      requestBody:
        $ref: '#/components/requestBodies/Generic'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/deposits:
    get:
      operationId: listCashDeposits
      tags:
      - Cash
      summary: Deposit list
      parameters:
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      responses:
        '200':
          $ref: '#/components/responses/PagedEnvelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/deposits/{operationId}:
    get:
      operationId: getCashDeposit
      tags:
      - Cash
      summary: Deposit detail
      parameters:
      - $ref: '#/components/parameters/OperationId'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/withdrawals/calldata:
    post:
      operationId: buildCashWithdrawalCalldata
      tags:
      - Cash
      summary: Withdraw calldata
      requestBody:
        $ref: '#/components/requestBodies/Generic'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/withdrawals/send:
    post:
      operationId: sendCashWithdrawal
      tags:
      - Cash
      summary: One Click withdraw
      requestBody:
        $ref: '#/components/requestBodies/Generic'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/withdrawals/tx:
    post:
      operationId: recordCashWithdrawalTx
      tags:
      - Cash
      summary: Record withdraw tx
      requestBody:
        $ref: '#/components/requestBodies/Generic'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/withdrawals:
    get:
      operationId: listCashWithdrawals
      tags:
      - Cash
      summary: Withdraw list
      parameters:
      - $ref: '#/components/parameters/Page'
      - $ref: '#/components/parameters/Limit'
      responses:
        '200':
          $ref: '#/components/responses/PagedEnvelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/v1/cash/withdrawals/{operationId}:
    get:
      operationId: getCashWithdrawal
      tags:
      - Cash
      summary: Withdraw detail
      parameters:
      - $ref: '#/components/parameters/OperationId'
      responses:
        '200':
          $ref: '#/components/responses/Envelope'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  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).
    PagedEnvelope:
      allOf:
      - $ref: '#/components/schemas/Envelope'
      - type: object
        properties:
          data:
            type: object
            properties:
              total:
                type: integer
                description: Total matching records.
              rows:
                type: array
                description: Current page of records.
                items:
                  type: object
  parameters:
    OperationId:
      name: operationId
      in: path
      required: true
      schema:
        type: string
    Limit:
      name: limit
      in: query
      required: false
      schema:
        type: integer
        default: 10
        minimum: 1
        maximum: 100
    Page:
      name: page
      in: query
      required: false
      schema:
        type: integer
        default: 1
        minimum: 1
  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'
    PagedEnvelope:
      description: Paged response envelope
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/PagedEnvelope'
  requestBodies:
    Generic:
      required: true
      content:
        application/json:
          schema:
            type: object
  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".