Adren Software

Disclaimer: All information on this page is not guaranteed to be correct or up to date. Everything is preliminary and is subject to change at any time.

YMSG Verify - Service ID: 76 (0x4c)

Contains no parameters. Respond with verify packet with status set to 1 (0x00000001)

YMSG Authentication - Service ID: 87 (0x57)

Status: 0 (0x00000000)

• 1 : Username

Status: 1 (0x00000001)

• 1 : Username
• 94 : Authentication Algorithm

YMSG Authentication Response - Service ID: 84 (0x54)

• 1 : Username
• 0 : Username
• 98 : 2 digit country code (us)
• 135 : Client version (10.0.0.1105)
• 244 : Features List? (unconfirmed)
• 277 : Authentication Token (v=1&n=7fkr3....; path=/; domain=.yahoo.com;)
• 278 : Authentication Token 2 (z=90egLB....; path=/; domain=.yahoo.com;)
• 307 : Authentcation Hash of crumb and challenge

YMSG List - Service ID: 85 (0x55)

• 2 : Username
• 3 : Username
• 70 : Mobile Phone Number
• 89 : Username
• 216 : First Name
• 254 : Last Name
• 442 : Yahoo Power Users icon (See Status v15)

YMSG List v15 - Service ID: 241 (0xf1)

• 65 : Group Name
• 7 : Friend's Username
• 317 : Invisibility Status
  • 2 : means you show up as invisible to that person
• 223 : Add request pending
• 241 : 3rd Party Network (unconfirmed)
  • 2 : Windows Live

YMSG Status v15 - Service ID: 240 (0xf0)

• 10 : Status Type
  • 0 : Available
  • 2 : Busy
  • 999 : Idle
• 241 : Possibly set if this is the first status update
• 192 : Photo Avatar Checksum
• 198 : Yahoo! Avatars Key
• 442 : Yahoo Power Users icon
  • 1 : Crown 1

YMSG SMS Message - Service ID: 746 (0x2ea)

• 4 : Cell Phone number
• 68 : Message Contents

YMSG Buddy Authentication - Service ID: 216 (0xd6)

Status: 3 - Buddy Requests

• 4 : Sender
• 14 : Request Message
• 216 : Sender's First Name
• 254 : Sender's Last Name

Status 0 - Buddy Response

• 1 : Username
• 5 : Buddy's Username
• 13 : Request Result
  • 1 : Accepted

Status 1 - 3rd Party Buddy Response

• 4 : Buddy's Username
• 5 : Username
• 13 : Request Result
  • 1 : Accepted

YMSG Add Buddy - Service ID: 131 (0x83)

• 1 : Username
• 7 : New buddy's username
• 65 : Group name to put the new buddy in
• 216 : First name to send to new buddy
• 254 : Last name to send to new buddy

YMSG Conference Invitation - Service ID: 24 (0x18)

• 50 : Sender
• 57 : Room Name
• 58 : Invitation Message

YMSG Mobile IM Setup - Service ID: 749 (0x2ed)

Received from the server after the user sets up mobile IM

• 4 : Unknown - Contents: "Yahoo Messenger"
• 5 : Username
• 70 : Phone number in format 15551234567