> ## Documentation Index
> Fetch the complete documentation index at: https://docs.deribit.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Resend Request(2)

The `Resend Request`(`2`) message is used by the server to initiate the
retransmission of messages. This function is utilized if a sequence number gap
is detected, if the receiving application lost a message, or as a function of
the initialization process.

### Arguments

| Tag | Name         | Type | Required | Comments                    |
| --- | ------------ | ---- | -------- | --------------------------- |
| 7   | `BeginSeqNo` | int  | Yes      | The first message to repeat |
| 16  | `EndSeqNo`   | int  | Yes      | The last message to repeat  |