> ## Documentation Index > Fetch the complete documentation index at: https://docs.kraken.com/llms.txt > Use this file to discover all available pages before exploring further. # Get trading instruments > Returns specifications for all currently accessible markets and indices. ## OpenAPI ````yaml /openapi/futures-rest.yaml get /trading/instruments openapi: 3.1.0 info: title: Kraken Futures Trading API version: v3 description: Market data and order management endpoints. servers: - url: https://futures.kraken.com/derivatives/api/v3 description: Kraken Futures x-kfOnly: true security: [] tags: - name: Multi-Collateral description: Endpoints pertaining to the multi-collateral (MC) futures markets. - name: Instrument Details description: >- - The `/instruments/status` endpoint provides a list of statuses for all instruments. - The `/instruments/{symbol}/status` endpoint provides the status of a single instrument. - name: Account Information - name: Assignment Program - name: Fee Schedules description: >- **DEPRECATED** — Effective 2026-06-22, the fee values returned by these endpoints no longer reflect the fees actually charged on Futures trades. Futures fee calculation has been migrated to a centralised Kraken fee service. To determine the fee rate applied to your trades, use the Spot [`GetTradeVolume`](https://docs.kraken.com/api/docs/rest-api/get-trade-volume) endpoint authenticated with a Spot API key. - name: General - name: Historical Data - name: Historical Funding Rates - name: Market Data - name: Order Management - name: Trading Settings - name: Subaccounts - name: Transfers - name: RFQs paths: /trading/instruments: get: tags: - Instrument Details summary: Get trading instruments description: Returns specifications for all currently accessible markets and indices. operationId: getTradingInstruments parameters: - $ref: '#/components/parameters/ContractTypesQuery' responses: '200': description: '' content: application/json: schema: oneOf: - title: Success Response allOf: - type: object properties: instruments: type: array items: $ref: '#/components/schemas/InstrumentAuthenticated' description: >- A list containing structures for each available instrument. The list is in no particular order. required: - instruments - $ref: '#/components/schemas/SuccessResponse' - $ref: '#/components/schemas/ErrorResponse' security: - general-api-key-read-only: [] authent: [] components: parameters: ContractTypesQuery: description: >- Contract type(s) to return statuses for. By default, includes all futures instrument types. Multi-value example: `?contractType=futures_inverse&contractType=futures_vanilla` name: contractType in: query required: false style: form explode: true schema: type: array items: type: string enum: - futures_inverse - futures_vanilla - flexible_futures - options - all schemas: InstrumentAuthenticated: type: object properties: fundingRateCoefficient: $ref: '#/components/schemas/DecimalDouble' description: |- Funding rate coefficient. Only present for perpetual markets. lastTradingTime: description: |- Market expiry date-time (UTC). Only present for fixed maturity markets. type: string format: date-time minimumTradeSize: $ref: '#/components/schemas/DecimalDouble' description: >- TODO: Not populated for any markets (at time of writing in Apr 2025). impactMidSize: $ref: '#/components/schemas/DecimalDouble' description: Book depth used to calculate (impact) mid prices. maxPositionSize: $ref: '#/components/schemas/DecimalDouble' description: Market-wide position size limit. openingDate: description: Date-time (UTC) that market was created. type: string format: date-time marginLevels: description: |- Margin schedule applicable to logged-in account. Only present for futures markets. type: array items: $ref: '#/components/schemas/_schemas_MarginLevel' maxRelativeFundingRate: $ref: '#/components/schemas/DecimalDouble' description: |- Maximum relative funding rate. Only present for perpetual markets. symbol: $ref: '#/components/schemas/MarketSymbol' pair: description: Asset pair (uppercase, colon separated). type: string example: BTC:USD base: description: Base asset (uppercase). type: string example: BTC quote: description: Quote asset (uppercase). type: string example: USD tickSize: $ref: '#/components/schemas/DecimalDouble' description: Minimum order price increment. type: description: Market type. type: string enum: - futures_inverse - futures_vanilla - flexible_futures - options underlying: description: |- Underlying index code. Only present for single-collateral markets. type: string isin: description: International Securities Identification Number (ISIN). type: - string - 'null' contractValueTradePrecision: description: >- Minimum order quantity increment. E.g., a trade precision of 2 means order quantities are not allowed to be more precise than the hundredth decimal place (0.01). These values can be negative to specify quantity increments of 10 (-1), 100 (-2), etc. type: integer postOnly: description: True if market is in post-only mode. type: boolean feeScheduleUid: deprecated: true description: >- **DEPRECATED** — Effective 2026-06-22, this field no longer corresponds to the fee schedule used for fee calculation. Use the Spot [`GetTradeVolume`](https://docs.kraken.com/api/docs/rest-api/get-trade-volume) endpoint authenticated with a Spot API key to determine your fee rate. Fee schedule UID. type: string format: uuid optionType: description: |- Option type. Only present for options markets. type: string enum: - call - put strikePrice: $ref: '#/components/schemas/DecimalDouble' description: |- Strike price. Only present for options markets. underlyingFuture: description: |- Underlying futures market. Only present for options markets. type: string rebateLevels: $ref: '#/components/schemas/RebateLevelsMap' mtf: description: True if this market is provided under the MTF license. type: boolean tradfi: description: True if this is a non-crypto market. type: boolean restricted: description: >- True if the account is restricted (to position-reducing orders) on this market. type: boolean isExpired: description: True if the instrument has expired type: boolean required: - contractSize - minimumTradeSize - impactMidSize - maxPositionSize - openingDate - symbol - pair - base - quote - tickSize - tradeable - type - isin - contractValueTradePrecision - postOnly - feeScheduleUid - rebateLevels - mtf - tradfi - restricted - isExpired SuccessResponse: allOf: - $ref: '#/components/schemas/ResultSuccess' - $ref: '#/components/schemas/ServerTime' ErrorResponse: allOf: - title: Errors type: object properties: errors: type: array items: $ref: '#/components/schemas/Error' error: $ref: '#/components/schemas/Error' required: - error - $ref: '#/components/schemas/ResultError' - $ref: '#/components/schemas/ServerTime' DecimalDouble: type: number format: double example: 12.03532 _schemas_MarginLevel: description: >- A component level of a margin schedule. The `contracts` and `numNonContractUnits` fields are mutually-exclusive and are present only for single-collateral and multi-collateral markets, respectively. type: object properties: contracts: description: >- Position size/level to apply IM/MM rules within a single-collateral margin schedule. type: integer format: uint64 numNonContractUnits: $ref: '#/components/schemas/NonNegativeDecimalDouble' description: >- Position size/level to apply IM/MM rules within a multi-collateral margin schedule. initialMargin: $ref: '#/components/schemas/NonNegativeDecimalDouble' description: Initial margin (IM) rate. maintenanceMargin: $ref: '#/components/schemas/NonNegativeDecimalDouble' description: Maintenance margin (MM) rate. required: - initialMargin - maintenanceMargin MarketSymbol: description: Market symbol type: string pattern: '[A-Z0-9_.]+' example: PF_BTCUSD RebateLevelsMap: description: | Maps market share percentage levels to rebate percentages. Keys and values are decimal strings. type: object additionalProperties: $ref: '#/components/schemas/DecimalDouble' x-additionalPropertiesKeyFormat: decimal ResultSuccess: type: object properties: result: type: string enum: - success example: success required: - result ServerTime: type: object properties: serverTime: description: Server time in Coordinated Universal Time (UTC) type: string format: date-time example: '2020-08-27T17:03:33.196Z' required: - serverTime Error: type: string description: |- Error description. - `accountInactive`: The Futures account the request refers to is inactive - `apiLimitExceeded`: The API limit for the calling IP address has been exceeded - `authenticationError`: The request could not be authenticated - `insufficientFunds`: The amount requested for transfer is below the amount of funds available - `invalidAccount`: The Futures account the transfer request refers to is invalid - `invalidAmount`: The amount the transfer request refers to is invalid - `invalidArgument`: One or more arguments provided are invalid - `invalidUnit`: The unit the transfer request refers to is invalid - `Json Parse Error`: The request failed to pass valid JSON as an argument - `marketUnavailable`: The market is currently unavailable - `nonceBelowThreshold`: The provided nonce is below the threshold - `nonceDuplicate`: The provided nonce is a duplicate as it has been used in a previous request - `notFound`: The requested information could not be found - `requiredArgumentMissing`: One or more required arguments are missing - `Server Error`: There was an error processing the request - `Unavailable`: The endpoint being called is unavailable - `unknownError`: An unknown error has occurred enum: - accountInactive - apiLimitExceeded - authenticationError - insufficientFunds - invalidAccount - invalidAmount - invalidArgument - invalidUnit - Json Parse Error - marketUnavailable - nonceBelowThreshold - nonceDuplicate - notFound - requiredArgumentMissing - Server Error - Unavailable - unknownError ResultError: type: object properties: result: type: string enum: - error example: error required: - result NonNegativeDecimalDouble: type: number format: double example: 12.03532 minimum: 0 securitySchemes: general-api-key-read-only: type: apiKey description: General API key with at least **read-only** access in: header name: APIKey x-inlineDescription: true authent: type: apiKey description: Authentication string in: header name: Authent x-inlineDescription: true ````