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OpenAPI Specification

openapi: 3.2.0
info:
  title: Buildix Crypto Orderflow Pair API
  description: 'Real-time crypto orderflow analytics API. Price, volume, funding and open interest for 170+ listed Hyperliquid perpetual futures pairs; VPIN, CVD, OBI, whale tracking and signal scores on the 100 most liquid of them. Static file: the figures mirror lib/seo/coverage.ts, update both together.'
  version: 1.0.0
  contact:
    name: Buildix
    url: https://www.buildix.trade
    email: hello@buildix.trade
  x-logo:
    url: https://www.buildix.trade/icon-512.png
servers:
- url: https://www.buildix.trade/api/v1
  description: Production
tags:
- name: Pair
paths:
  /pair/{symbol}:
    get:
      summary: Get detailed pair data
      description: Returns comprehensive data for a single pair including price, volume, funding, OI, VPIN, CVD, signal score, and regime detection.
      operationId: getPair
      parameters:
      - name: symbol
        in: path
        required: true
        schema:
          type: string
        description: Pair symbol (e.g. BTC, ETH, SOL)
      - name: X-API-Key
        in: header
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Detailed pair data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PairDetail'
      tags:
      - Pair
components:
  schemas:
    PairDetail:
      type: object
      properties:
        symbol:
          type: string
        price:
          type: number
        change24h:
          type: number
        volume24h:
          type: number
        openInterest:
          type: number
        fundingRate:
          type: number
        vpin:
          type: number
        vpinLevel:
          type: string
          enum:
          - safe
          - elevated
          - high
          - extreme
        signalScore:
          type: integer
        signalDirection:
          type: string
        regime:
          type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key