The Logon (A) message must be the first message sent by the application requesting to initiate a FIX session.
Clients must wait for a Logon from the server before sending other messages
| Tag | Name | Req | Type | Description | Example |
|---|---|---|---|---|---|
| Header | Y | MsgType='A' | |||
| 98 | EncryptMethod | Y | int | Encryption Method - always '0'. | 98=0 |
| 108 | HeartBtInt | Y | int | Heartbeat interval in seconds - time to wait before a Heartbeat message is sent in the absence of other activity on the connection. | 108=30 |
| 141 | ResetSeqNumFlag | N | Boolean | Set to Y to indicate both sides of the FIX session should reset sequence numbers | 141=Y |
| 553 | Username | Y | String | Session username - email address used during registration. | 553=[email protected] |
| 554 | Password | Y | String | Session password - API key obtained during registration. | 554=UAKabc...123 |
| Trailer | Y |