openapi: 3.2.0
info:
  title: 0xArchive HIP-4 Outcomes - Trades API
  description: REST API for current and historical market data from Hyperliquid and Lighter. Hyperliquid coverage includes core perpetuals, Spot, HIP-3 builder perpetuals, and HIP-4 outcome markets. Coverage and access requirements vary by route. See https://docs.0xarchive.io/ for authentication, limits, and examples.
  version: 1.6.1
  termsOfService: https://0xarchive.io/terms
  contact:
    name: 0xArchive Support
    url: https://0xarchive.io
    email: support@0xarchive.io
  license:
    name: Proprietary
    url: https://0xarchive.io/terms
servers:
- url: https://api.0xarchive.io
  description: Production API
security:
- ApiKeyAuth: []
tags:
- name: HIP-4 Outcomes - Trades
  description: HIP-4 outcome markets historical trade/fill data. Data from May 2026.
paths:
  /v1/hyperliquid/hip4/trades/{symbol}:
    get:
      tags:
      - HIP-4 Outcomes - Trades
      summary: Get HIP-4 trades
      description: 'Get historical trades (fills) for a HIP-4 outcome side within a time range. Data available from May 2026.


        **Pagination:** Use the `cursor` parameter with the value from the previous response''s `next_cursor` for efficient pagination.'
      operationId: getHip4Trades
      parameters:
      - name: symbol
        in: path
        required: true
        description: HIP-4 coin id (e.g., `0` for outcome 0 Yes side, `1` for No side). The `#`-prefixed form (`#0`, `#1`) is also accepted.
        schema:
          type: string
          example: '0'
        example: '0'
      - name: start
        in: query
        description: Start timestamp in Unix milliseconds. Defaults to 24h ago.
        schema:
          type: integer
          format: int64
      - name: end
        in: query
        description: End timestamp in Unix milliseconds. Defaults to now.
        schema:
          type: integer
          format: int64
      - name: cursor
        in: query
        description: Cursor for pagination
        schema:
          type: string
      - name: limit
        in: query
        description: 'Maximum number of results (default: 100, max: 1000)'
        schema:
          type: integer
          default: 100
          maximum: 1000
      responses:
        '200':
          description: List of trades with cursor for next page
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponseTradeArray'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
  /v1/hyperliquid/hip4/trades/{symbol}/recent:
    get:
      tags:
      - HIP-4 Outcomes - Trades
      summary: Get recent HIP-4 trades
      description: Get the most recent trades for a HIP-4 outcome side, ordered by timestamp descending. Data available from May 2026.
      operationId: getHip4RecentTrades
      parameters:
      - name: symbol
        in: path
        required: true
        description: HIP-4 coin id (e.g., `0` for outcome 0 Yes side, `1` for No side). The `#`-prefixed form (`#0`, `#1`) is also accepted.
        schema:
          type: string
          example: '0'
        example: '0'
      - name: limit
        in: query
        description: 'Number of trades to return (default: 100, max: 1000)'
        schema:
          type: integer
          default: 100
          maximum: 1000
      responses:
        '200':
          description: List of recent trades
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiResponseTradeArray'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  schemas:
    ApiMeta:
      type: object
      description: Response metadata
      properties:
        count:
          type: integer
          description: Number of records returned
        next_cursor:
          type:
          - string
          - 'null'
          description: Cursor for pagination (timestamp). Use this value as the `cursor` parameter to fetch the next page of results.
        request_id:
          type: string
          format: uuid
          description: Unique request ID for support
        coverage_from:
          type: string
          format: date-time
          description: Earliest coverage for the requested symbol and data type. Present only when the requested window ends before coverage begins.
        notice:
          type: string
          description: Human-readable advisory about the response. Currently used when the requested window ends before coverage begins for the symbol; may carry other advisories in future.
    Error:
      type: object
      description: Error response
      properties:
        code:
          type: integer
          description: HTTP status code
        error:
          type: string
          description: Error message
        error_code:
          type: string
          description: 'Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.'
        request_id:
          type: string
          format: uuid
          description: Unique request ID for support
    Trade:
      type: object
      description: Trade/fill record with full execution details
      required:
      - symbol
      - coin
      - side
      - price
      - size
      - timestamp
      properties:
        symbol:
          type: string
          description: Trading pair symbol
          example: BTC
        coin:
          type: string
          description: Trading pair symbol (deprecated, use symbol instead)
          example: BTC
          deprecated: true
        side:
          type: string
          description: 'Trade side: ''B'' (buy) or ''A'' (sell/ask)'
          enum:
          - A
          - B
          example: B
        price:
          type: string
          description: Execution price
          example: '42150.50'
        size:
          type: string
          description: Trade size
          example: '0.5'
        timestamp:
          type: string
          format: date-time
          description: Execution timestamp (UTC)
          example: '2025-01-21T10:30:45.123Z'
        tx_hash:
          type:
          - string
          - 'null'
          description: Blockchain transaction hash
        trade_id:
          type:
          - integer
          - 'null'
          format: int64
          description: Unique trade ID
        order_id:
          type:
          - integer
          - 'null'
          format: int64
          description: Associated order ID
        crossed:
          type:
          - boolean
          - 'null'
          description: True if taker (crossed the spread), false if maker
        fee:
          type:
          - string
          - 'null'
          description: Trading fee amount
        fee_token:
          type:
          - string
          - 'null'
          description: Fee denomination (e.g., USDC)
        closed_pnl:
          type:
          - string
          - 'null'
          description: Realized PnL if closing a position
        direction:
          type:
          - string
          - 'null'
          description: Position direction (e.g., 'Open Long', 'Close Short', 'Long > Short')
        start_position:
          type:
          - string
          - 'null'
          description: Position size before this trade
        user_address:
          type:
          - string
          - 'null'
          description: User's wallet address
        maker_address:
          type:
          - string
          - 'null'
          description: Maker's wallet address (the resting order)
        taker_address:
          type:
          - string
          - 'null'
          description: Taker's wallet address (crossed the spread)
        builder_address:
          type:
          - string
          - 'null'
          description: Builder address that routed this order. Present only when the order was placed through a builder.
        builder_fee:
          type:
          - string
          - 'null'
          description: Builder fee charged on this fill, paid to the builder (in quote currency, typically USDC). Present only when builder_address is set.
        deployer_fee:
          type:
          - string
          - 'null'
          description: HIP-3 deployer fee share on this fill (in quote currency). Negative for the maker side (rebate), positive for the taker side. Present only on HIP-3 fills.
        priority_gas:
          type:
          - number
          - 'null'
          description: Priority fee burned in HYPE (not USDC) for write priority on the Hyperliquid validator queue. Independent of builder_fee and deployer_fee — paid to the network, not to a builder or deployer. Present only when the order paid for priority.
        cloid:
          type:
          - string
          - 'null'
          description: Client order ID
        twap_id:
          type:
          - integer
          - 'null'
          description: TWAP execution ID
    ApiResponseTradeArray:
      type: object
      properties:
        success:
          type: boolean
          example: true
        data:
          type: array
          items:
            $ref: '#/components/schemas/Trade'
        meta:
          $ref: '#/components/schemas/ApiMeta'
  responses:
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            code: 401
            error: Missing or invalid API key. Provide X-API-Key header.
    BadRequest:
      description: Invalid request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            code: 400
            error: 'Failed to deserialize query string: limit: invalid digit found in string'
            error_code: invalid_query_params
            request_id: 3f2a9c71-5b0e-4d68-9a4c-7e1d2b6f8a05
    RateLimited:
      description: Rate limit exceeded
      headers:
        X-RateLimit-Limit:
          schema:
            type: integer
          description: Requests per second limit
        X-RateLimit-Remaining:
          schema:
            type: integer
          description: Remaining requests this second
        X-RateLimit-Reset:
          schema:
            type: integer
          description: Unix timestamp when limit resets
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            code: 429
            error: Rate limit exceeded
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key for authentication. Get yours at https://0xarchive.io/dashboard
externalDocs:
  description: 0xArchive Developer Docs
  url: https://docs.0xarchive.io/
x-0xarchive-docs-language-overlay:
  name: data-quality-supported-venue-language
  reason: Public OpenAPI language must describe supported venue-family coverage instead of broad exchange coverage.
  updated_at: '2026-05-24'
  remove_when: Public source OpenAPI uses supported venue-family wording for data-quality coverage and latency descriptions.
x-0xarchive-docs-overlay:
  name: hyperliquid-spot
  reason: Hyperliquid Spot routes are included in the local REST contract.
  source: live endpoint behavior and public CLI/MCP/Skill surface truth
  updated_at: '2026-05-08'
  remove_when: Public source contract includes the same Spot route family.