> ## Documentation Index > Fetch the complete documentation index at: https://docs.decibel.trade/llms.txt > Use this file to discover all available pages before exploring further. # All spot mids > Live mid + last trade price for every spot market (global topic). Display numbers only: spot has no oracle, and perp prices stay on all_market_prices. ## AsyncAPI ````yaml api-reference/asyncapi.json allSpotMids id: allSpotMids title: All spot mids description: >- Live mid + last trade price for every spot market (global topic). Display numbers only: spot has no oracle, and perp prices stay on all_market_prices. servers: - id: testnet protocol: wss host: api.testnet.aptoslabs.com/decibel/ws bindings: [] variables: [] address: all_spot_mids parameters: [] bindings: [] operations: - &ref_2 id: receiveallSpotMids title: Receiveall spot mids description: >- Receive updates for live mid + last trade price for every spot market (global topic). display numbers only: spot has no oracle, and perp prices stay on all_market_prices. type: receive messages: - &ref_3 id: AllSpotMidsMessage payload: - name: AllSpotMidsMessage description: >- Live mid + last trade price for every spot market (global topic). Display numbers only: spot has no oracle, and perp prices stay on all_market_prices. type: object properties: - name: mids type: array required: true properties: - name: asset_type type: string description: >- Discriminator carried on every dual-use DTO (orders, bulk orders, bulk order fills) so a single response can mix perp and spot rows. Also accepted as a query parameter on those endpoints to filter to one product. Wire format is lowercase (`"perp"` / `"spot"`) and accepted case-insensitively on the request side via [`impl_case_insensitive_deserialize`]. enumValues: - perp - spot required: true - name: last_trade_price type: &ref_0 - number - 'null' description: >- Close of the current 1m candle = most recent fill price. Null if the market never traded since candle state exists (candles restore empty on a full ClickHouse fallback until the next fill — DCBL-730). required: false - name: market_addr type: string required: true - name: mid type: &ref_1 - number - 'null' description: >- (best_bid + best_ask) / 2 from the live L1 book (resting bulk ladders included); null unless both sides have liquidity. required: false - name: transaction_unix_ms type: integer required: true - name: topic type: string required: true headers: [] jsonPayloadSchema: type: object required: - topic - mids properties: mids: type: array items: type: object description: >- Lightweight per-market price row for the `all_spot_mids` topic: the lowest-common-denominator "current price" (book mid + last trade), never oracle/mark/funding. These are DISPLAY numbers — perp margin math stays on `/prices` mark/oracle, which this surface deliberately does not carry. `asset_type` keeps the shape product-generic, but only spot rows are published today (perp already has `all_market_prices`). required: - market_addr - asset_type - transaction_unix_ms properties: asset_type: type: string description: >- Discriminator carried on every dual-use DTO (orders, bulk orders, bulk order fills) so a single response can mix perp and spot rows. Also accepted as a query parameter on those endpoints to filter to one product. Wire format is lowercase (`"perp"` / `"spot"`) and accepted case-insensitively on the request side via [`impl_case_insensitive_deserialize`]. enum: - perp - spot x-parser-schema-id: AssetType last_trade_price: type: *ref_0 format: double description: >- Close of the current 1m candle = most recent fill price. Null if the market never traded since candle state exists (candles restore empty on a full ClickHouse fallback until the next fill — DCBL-730). x-parser-schema-id: market_addr: type: string example: 0xmarket123... x-parser-schema-id: mid: type: *ref_1 format: double description: >- (best_bid + best_ask) / 2 from the live L1 book (resting bulk ladders included); null unless both sides have liquidity. x-parser-schema-id: transaction_unix_ms: type: integer format: int64 x-parser-schema-id: x-parser-schema-id: MidDto x-parser-schema-id: topic: type: string x-parser-schema-id: x-parser-schema-id: AllSpotMidsResponse title: All spot mids message description: >- Live mid + last trade price for every spot market (global topic). Display numbers only: spot has no oracle, and perp prices stay on all_market_prices. example: |- { "topic": "all_spot_mids", "mids": [ { "market_addr": "0x26f1ddaa436a7b134d5c872c032eaa66653b673bca2bb1539642094d6b113c50", "asset_type": "spot", "mid": 4.5, "last_trade_price": 4.51, "transaction_unix_ms": 1699564800000 } ] } bindings: [] extensions: - id: x-parser-unique-object-id value: AllSpotMidsMessage - id: x-parser-message-name value: AllSpotMidsMessage bindings: [] extensions: - id: x-parser-unique-object-id value: allSpotMids sendOperations: - *ref_2 receiveOperations: [] sendMessages: - *ref_3 receiveMessages: [] extensions: - id: x-parser-unique-object-id value: allSpotMids securitySchemes: [] ````