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    description: Common conventions used across the XRP Ledger's HTTP APIs.
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# API Conventions

This section describes data types and formats of the HTTP APIs (JSON-RPC and WebSocket) as implemented in [the `rippled` server](../../../concepts/networks-and-servers/index.md).

For information on the XRP Ledger protocol that applies to all APIs, see [Protocol Reference](../../protocol/index.md).


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