One way to add placeholders to a contract is when you create a new contract. See this page to learn more.

If a contract already exists, use the request below.

Body parameters

action
string
required

Action type.

contractKey
string
required

ID of the contract.

placeholder
required

Structure, add the fields that need to be updated and ignore the rest.

Response

placeholder
string

Placeholder structure.

code
string

The code of the answer.

message
string

The message of the answer.