> ## Documentation Index > Fetch the complete documentation index at: https://docs.joyride.exchange/llms.txt > Use this file to discover all available pages before exploring further. # public/get_instruments > List the tradable instruments ## AsyncAPI ````yaml _generated/asyncapi.yaml public.get_instruments id: public.get_instruments title: public/get_instruments description: JSON-RPC method `public/get_instruments` on the trading socket. servers: - id: trading protocol: wss host: joyride.exchange bindings: [] variables: [] address: / parameters: [] bindings: [] operations: - &ref_2 id: public.get_instruments.request title: Request type: receive messages: - &ref_4 id: request contentType: application/json payload: - name: Request params type: object properties: - name: type type: string description: object required: false - name: additionalProperties type: boolean required: false - name: description type: string description: No parameters; send `{}` or omit `params`. required: false headers: [] jsonPayloadSchema: type: object additionalProperties: false description: No parameters; send `{}` or omit `params`. x-parser-schema-id: title: Request params example: |- { "type": "", "additionalProperties": true, "description": "" } bindings: [] extensions: - id: x-parser-unique-object-id value: request bindings: [] extensions: &ref_1 - id: x-parser-unique-object-id value: public.get_instruments - &ref_3 id: public.get_instruments.reply title: Reply type: send messages: - &ref_5 id: result contentType: application/json payload: - name: Result type: object properties: - name: instruments type: array required: true properties: - name: symbol type: string description: >- `{TICKER}_USDC-{DMMMYY}-{STRIKE}-{C|P}`; the only instrument identifier the API uses. required: true - name: underlying type: string enumValues: - BTC - ETH - SOL required: true - name: strike type: string description: > Signed fixed-point decimal with eight fractional digits, as a string. Strings rather than JSON numbers because values can exceed the exact integer range of an IEEE-754 double. required: true - name: option_type type: string enumValues: - call - put required: true - name: expiry type: integer description: Unix seconds. required: true - name: state type: string description: Lifecycle state; only tradable instruments are listed. required: true - name: tick_size type: string description: > Signed fixed-point decimal with eight fractional digits, as a string. Strings rather than JSON numbers because values can exceed the exact integer range of an IEEE-754 double. required: true - name: min_size type: string description: > Signed fixed-point decimal with eight fractional digits, as a string. Strings rather than JSON numbers because values can exceed the exact integer range of an IEEE-754 double. required: true - name: contract_size type: string description: > Signed fixed-point decimal with eight fractional digits, as a string. Strings rather than JSON numbers because values can exceed the exact integer range of an IEEE-754 double. required: true headers: [] jsonPayloadSchema: type: object required: - instruments properties: instruments: type: array items: type: object required: - symbol - underlying - strike - option_type - expiry - state - tick_size - min_size - contract_size properties: symbol: type: string description: >- `{TICKER}_USDC-{DMMMYY}-{STRIKE}-{C|P}`; the only instrument identifier the API uses. x-parser-schema-id: underlying: type: string enum: - BTC - ETH - SOL x-parser-schema-id: strike: &ref_0 type: string description: > Signed fixed-point decimal with eight fractional digits, as a string. Strings rather than JSON numbers because values can exceed the exact integer range of an IEEE-754 double. pattern: ^-?[0-9]+\.[0-9]{8}$ x-parser-schema-id: WireDecimal option_type: type: string enum: - call - put x-parser-schema-id: expiry: type: integer description: Unix seconds. x-parser-schema-id: state: type: string description: Lifecycle state; only tradable instruments are listed. x-parser-schema-id: tick_size: *ref_0 min_size: *ref_0 contract_size: *ref_0 x-parser-schema-id: PublicInstrument x-parser-schema-id: x-parser-schema-id: InstrumentsResult title: Result example: |- { "instruments": [ { "symbol": "BTC_USDC-2MAY26-77000-C", "underlying": "BTC", "strike": "77000.00000000", "option_type": "call", "expiry": 1777708800, "state": "open", "tick_size": "0.01000000", "min_size": "0.01000000", "contract_size": "1.00000000" } ] } bindings: [] extensions: - id: x-parser-unique-object-id value: result - &ref_6 id: error contentType: application/json payload: - name: Error description: >- `1001` for an authentication or session failure, `-32602` for malformed params on a `public/*` method. type: object properties: - name: code type: integer description: >- `1001` not authenticated (bad signature, expired or reused nonce, expired or invalid token, unknown or reassigned account, 60-second idle reap); `-32602` invalid params; `-32700`, `-32600`, `-32601`, `-32603` per JSON-RPC 2.0. required: true - name: message type: string required: true headers: [] jsonPayloadSchema: type: object description: The `error` object of a `public/*` failure. required: - code - message properties: code: type: integer description: >- `1001` not authenticated (bad signature, expired or reused nonce, expired or invalid token, unknown or reassigned account, 60-second idle reap); `-32602` invalid params; `-32700`, `-32600`, `-32601`, `-32603` per JSON-RPC 2.0. x-parser-schema-id: message: type: string x-parser-schema-id: x-parser-schema-id: JsonRpcError title: Error description: >- `1001` for an authentication or session failure, `-32602` for malformed params on a `public/*` method. example: |- { "code": 1001, "message": "unknown account" } bindings: [] extensions: - id: x-parser-unique-object-id value: error bindings: [] extensions: *ref_1 sendOperations: - *ref_2 receiveOperations: - *ref_3 sendMessages: - *ref_4 receiveMessages: - *ref_5 - *ref_6 extensions: - id: x-parser-unique-object-id value: public.get_instruments securitySchemes: [] ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.