Update an existing contract's information. All fields are optional - only include fields you want to change.

Use Cases:

• Update contract value or dates
• Change assigned user
• Update property information
• Modify commission details
• Update referral details
• Update custom field values

Updatable Fields:

• Basic info (name, assigned user)
• Property details
• Contract value and dates (scheduled closing, inspection, actual closing)
• Commission fields (total, buyer, seller with types)
• Referral information
• Custom fields

Note: To change the contract type, create a new contract instead.

Example:

{
  "contractValue": 475000,
  "scheduledClosingDate": "2026-01-15",
  "totalCommission": 14250
}