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38 lines
837 B
Markdown
38 lines
837 B
Markdown
---
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title: "Data sources | Binance Open Platform"
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source: "https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/data-sources"
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fetched_at: "2026-02-26T10:38:12.732Z"
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---
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- The API system is asynchronous. Some delay in the response is normal and expected.
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- Each method has a data source indicating where the data is coming from, and thus how up-to-date it is.
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Data Source
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Latency
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Description
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Matching Engine
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lowest
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The Matching Engine produces the response directly
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Memory
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low
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Data is fetched from API server's local or external memory cache
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Database
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moderate
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Data is retrieved from the database
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- Some methods have more than one data source (e.g., Memory => Database).
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This means that the API will look for the latest data in that order: first in the cache, then in the database.
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