> ## Documentation Index
> Fetch the complete documentation index at: https://docs.derive.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# public/get_perp_impact_twap



## OpenAPI

````yaml /openapi.json post /public/get_perp_impact_twap
openapi: 3.1.0
info:
  title: Derive v3 API
  version: 0.2.0
  description: JSON-RPC 2.0 methods, served over WebSocket and HTTP POST.
servers:
  - url: https://api.derive.xyz/v3
    description: Production (HTTP POST base)
  - url: https://testnet.api.derive.xyz/v3
    description: Testnet (HTTP POST base)
security: []
tags:
  - name: Subaccounts
    description: >-
      List, inspect, and label subaccounts, portfolios, positions, and
      collateral.
  - name: Session Keys
    description: Register, edit, and list delegated signing keys.
  - name: Account
    description: Wallet-level account information and settings.
  - name: Orderbook
    description: Place, replace, cancel, and query orders, trigger orders, and algos.
  - name: RFQ
    description: 'Request-for-quote: send RFQs, quote, and execute block trades.'
  - name: Liquidations
    description: >-
      Open a Dutch auction against a breaching subaccount, quote the auctions
      running right now, bid on them, and review past ones.
  - name: Vault Shareholders
    description: >-
      Deposit into and withdraw from vaults, and track shares, requests, and
      performance.
  - name: Vault Curators
    description: >-
      Create and operate curated vaults: settle deposit and withdrawal requests,
      and manage vault metadata.
  - name: History
    description: >-
      Per-account historical records: orders, trades, transfers, and
      settlements.
  - name: Market Maker Protection
    description: Configure, read, and reset market-maker protection.
  - name: Transfers & Withdrawals
    description: Move collateral between subaccounts, to other wallets, and on-chain.
  - name: Onchain Actions
    description: >-
      L1 onchain actions submitted via OnchainActionManager: register deposit
      addresses, list pending deposits, and inspect onchain action history.
  - name: System
    description: Rate limits and transaction lookups.
  - name: Market Data
    description: Instruments, currencies, tickers, and market-wide feeds.
  - name: Maker Scoring
    description: Maker programs, score breakdowns, and detailed scoring snapshots.
  - name: Referrals
    description: Referral codes and program performance.
  - name: Other
    description: Uncategorized.
paths:
  /public/get_perp_impact_twap:
    post:
      tags:
        - Other
      summary: public/get_perp_impact_twap
      operationId: public_get_perp_impact_twap
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GetPerpImpactTwapRequest'
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PerpImpactTwapResult'
        default:
          description: JSON-RPC error (see Error Codes)
components:
  schemas:
    GetPerpImpactTwapRequest:
      description: >-
        Parameters for `public/get_perp_impact_twap`. Timestamps accept either a
        JSON number or a string-encoded integer.
      type: object
      required:
        - currency
        - end_time
        - start_time
      properties:
        currency:
          type: string
        end_time:
          type: integer
          format: int64
        start_time:
          type: integer
          format: int64
    PerpImpactTwapResult:
      description: TWAPs of the perp mid, ask impact and bid impact prices minus spot.
      type: object
      required:
        - ask_impact_diff_twap
        - bid_impact_diff_twap
        - currency
        - mid_price_diff_twap
      properties:
        ask_impact_diff_twap:
          type: string
        bid_impact_diff_twap:
          type: string
        currency:
          type: string
        mid_price_diff_twap:
          type: string

````

## Related topics

- [Perpetuals](/perpetuals.md)
- [Perp Funding](/perp-funding.md)
- [public/get_instrument](/api-reference/market-data/publicget_instrument.md)