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OpenAPI Specification

openapi: 3.2.0
info:
  title: Aevo Exchange Public REST Statistics API
  description: Public unauthenticated REST API for Aevo exchange (the trading platform evolved from Ribbon Finance) providing market data, vault statistics, options pricing, funding rates, and other openly available trading information. No authentication required for these endpoints.
  version: 1.0.0
  contact:
    name: Aevo Support
    url: https://docs.aevo.xyz/
servers:
- url: https://api.aevo.xyz
  description: Aevo Exchange production server
tags:
- name: Statistics
  description: Exchange statistics and analytics
paths:
  /statistics:
    get:
      tags:
      - Statistics
      summary: Get exchange statistics
      description: Returns aggregated trading statistics including volume, open interest, and price data.
      operationId: getStatistics
      parameters:
      - name: asset
        in: query
        required: false
        description: Name of underlying asset.
        schema:
          type: string
          example: ETH
      - name: instrument_type
        in: query
        required: false
        description: Type of instrument.
        schema:
          type: string
          enum:
          - OPTION
          - PERPETUAL
          - SPOT
      - name: end_time
        in: query
        required: false
        description: Entries created after end time are excluded in UNIX nanoseconds.
        schema:
          type: integer
      responses:
        '200':
          description: Exchange statistics
          content:
            application/json:
              schema:
                type: object
                required:
                - daily_volume
                - daily_buy_volume
                - daily_sell_volume
                properties:
                  daily_volume:
                    type: string
                  daily_buy_volume:
                    type: string
                  daily_sell_volume:
                    type: string
                  asset:
                    type: string
                  open_interest:
                    type: object
                    properties:
                      calls:
                        type: string
                      puts:
                        type: string
                      total:
                        type: string
                  daily_volume_premium:
                    type: string
                  total_volume:
                    type: string
                  total_volume_premium:
                    type: string
                  daily_volume_contracts:
                    type: string
                  index_price:
                    type: string
                  index_daily_change:
                    type: string
                  mark_price:
                    type: string
                  mark_price_24h_ago:
                    type: string
                  mark_daily_change:
                    type: string
                  funding_daily_avg:
                    type: string
                  put_call_ratio:
                    type: string
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
  /time:
    get:
      tags:
      - Statistics
      summary: Get server time
      description: Returns the current server time. Used for timestamp synchronization.
      operationId: getTime
      responses:
        '200':
          description: Server time
          content:
            application/json:
              schema:
                type: object
                properties:
                  timestamp:
                    type: string
                    description: UNIX timestamp in nanoseconds
        '500':
          $ref: '#/components/responses/InternalError'
  /coingecko-statistics:
    get:
      tags:
      - Statistics
      summary: Get CoinGecko statistics
      description: Returns exchange statistics in CoinGecko format.
      operationId: getCoinGeckoStatistics
      responses:
        '200':
          description: CoinGecko-compatible statistics
          content:
            application/json:
              schema:
                type: object
        '500':
          $ref: '#/components/responses/InternalError'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          example: ERR_MALFORMED_REQUEST
  responses:
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Malformed request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'