openapi: 3.0.3
info:
  title: Aevo Exchange Private REST Account Market Data API
  description: Authenticated REST API for Aevo exchange providing account management, order placement and management, position tracking, portfolio data, transfers, withdrawals, and trading history. Requires AEVO-KEY and AEVO-SECRET authentication headers obtained via cryptographic key registration.
  version: 1.0.0
  contact:
    name: Aevo Support
    url: https://docs.aevo.xyz/
servers:
- url: https://api.aevo.xyz
  description: Aevo Exchange production server
security:
- AevoKey: []
  AevoSecret: []
tags:
- name: Market Data
  description: Public market data endpoints
paths:
  /orderbook:
    get:
      tags:
      - Market Data
      summary: Get orderbook
      description: Returns the orderbook for a given instrument symbol including bids, asks, and implied volatility.
      operationId: getOrderbook
      parameters:
      - name: instrument_name
        in: query
        required: true
        description: Instrument name.
        schema:
          type: string
          example: ETH-30JUN23-1600-C
      responses:
        '200':
          description: Orderbook snapshot
          content:
            application/json:
              schema:
                type: object
                properties:
                  type:
                    type: string
                    example: snapshot
                  instrument_id:
                    type: string
                    description: Numeric instrument identifier
                  instrument_name:
                    type: string
                    example: ETH-30JUN23-1600-C
                  instrument_type:
                    type: string
                    enum:
                    - OPTION
                    - PERPETUAL
                    - SPOT
                  bids:
                    type: array
                    description: Array of [price_USD, contract_amount, IV]
                    items:
                      type: array
                      items:
                        type: string
                  asks:
                    type: array
                    description: Array of [price_USD, contract_amount, IV]
                    items:
                      type: array
                      items:
                        type: string
                  last_updated:
                    type: string
                    description: Last updated timestamp in UNIX nanoseconds
                  checksum:
                    type: string
                    description: Payload verification checksum
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /index:
    get:
      tags:
      - Market Data
      summary: Get index price
      description: Returns the current index price for a given underlying asset.
      operationId: getIndex
      parameters:
      - name: asset
        in: query
        required: true
        description: Name of underlying asset.
        schema:
          type: string
          example: ETH
      responses:
        '200':
          description: Index price
          content:
            application/json:
              schema:
                type: object
                properties:
                  price:
                    type: string
                    example: '1850.50'
                  timestamp:
                    type: string
                    description: UNIX timestamp in nanoseconds
                    example: '1680249600000000000'
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /index-history:
    get:
      tags:
      - Market Data
      summary: Get index price history
      description: Returns historical index price data for a given underlying asset.
      operationId: getIndexHistory
      parameters:
      - name: asset
        in: query
        required: true
        description: Name of underlying asset.
        schema:
          type: string
          example: ETH
      - name: start_time
        in: query
        required: false
        description: Start time in UNIX nanoseconds.
        schema:
          type: integer
      - name: end_time
        in: query
        required: false
        description: End time in UNIX nanoseconds.
        schema:
          type: integer
      responses:
        '200':
          description: Index price history
          content:
            application/json:
              schema:
                type: object
                properties:
                  history:
                    type: array
                    items:
                      type: array
                      items:
                        type: string
                      description: '[timestamp, price]'
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /funding:
    get:
      tags:
      - Market Data
      summary: Get funding rate
      description: Returns the current funding rate for a perpetual instrument.
      operationId: getFunding
      parameters:
      - name: instrument_name
        in: query
        required: true
        description: Instrument name.
        schema:
          type: string
          example: ETH-PERP
      responses:
        '200':
          description: Funding rate
          content:
            application/json:
              schema:
                type: object
                properties:
                  funding_rate:
                    type: string
                    description: Funding rate in decimals.
                    example: '0.00122'
                  next_epoch:
                    type: string
                    description: Next epoch in UNIX nanoseconds.
                    example: '1680249600000000000'
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /funding-history:
    get:
      tags:
      - Market Data
      summary: Get funding rate history
      description: Returns historical funding rate data for a perpetual instrument.
      operationId: getFundingHistory
      parameters:
      - name: instrument_name
        in: query
        required: true
        description: Instrument name.
        schema:
          type: string
          example: ETH-PERP
      - name: start_time
        in: query
        required: false
        description: Start time in UNIX nanoseconds.
        schema:
          type: integer
      - name: end_time
        in: query
        required: false
        description: End time in UNIX nanoseconds.
        schema:
          type: integer
      - name: limit
        in: query
        required: false
        description: Number of results to return.
        schema:
          type: integer
          default: 50
      responses:
        '200':
          description: Funding rate history
          content:
            application/json:
              schema:
                type: object
                properties:
                  funding_history:
                    type: array
                    items:
                      type: array
                      items:
                        type: string
                      description: '[timestamp, funding_rate]'
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /mark-history:
    get:
      tags:
      - Market Data
      summary: Get mark price history
      description: Returns historical mark price data for a given instrument.
      operationId: getMarkHistory
      parameters:
      - name: instrument_name
        in: query
        required: true
        description: Instrument name.
        schema:
          type: string
      - name: start_time
        in: query
        required: false
        schema:
          type: integer
      - name: end_time
        in: query
        required: false
        schema:
          type: integer
      responses:
        '200':
          description: Mark price history
          content:
            application/json:
              schema:
                type: object
                properties:
                  mark_history:
                    type: array
                    items:
                      type: array
                      items:
                        type: string
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /settlement-history:
    get:
      tags:
      - Market Data
      summary: Get settlement history
      description: Returns historical settlement price data.
      operationId: getSettlementHistory
      parameters:
      - name: asset
        in: query
        required: false
        schema:
          type: string
          example: ETH
      - name: start_time
        in: query
        required: false
        schema:
          type: integer
      - name: end_time
        in: query
        required: false
        schema:
          type: integer
      responses:
        '200':
          description: Settlement history
          content:
            application/json:
              schema:
                type: object
                properties:
                  settlement_history:
                    type: array
                    items:
                      type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /options-history:
    get:
      tags:
      - Market Data
      summary: Get options history
      description: Returns historical options trading data.
      operationId: getOptionsHistory
      parameters:
      - name: asset
        in: query
        required: false
        schema:
          type: string
          example: ETH
      - name: start_time
        in: query
        required: false
        schema:
          type: integer
      - name: end_time
        in: query
        required: false
        schema:
          type: integer
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          default: 50
      responses:
        '200':
          description: Options history
          content:
            application/json:
              schema:
                type: object
                properties:
                  options_history:
                    type: array
                    items:
                      type: object
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
components:
  responses:
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Malformed request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          example: ERR_MALFORMED_REQUEST
  securitySchemes:
    AevoKey:
      type: apiKey
      in: header
      name: AEVO-KEY
      description: API key obtained from Aevo account settings
    AevoSecret:
      type: apiKey
      in: header
      name: AEVO-SECRET
      description: API secret obtained from Aevo account settings