Remote Config - Parameter Update

Endpoint

/i/remote-config/update-parameter

Overview

Updates an existing remote config parameter by id.

Authentication

Pass api_key or auth_token as a query parameter, or send countly-token as a header. See Authentication.

Permissions

Requires remote_config Update permission.

Request Parameters

Parameter	Type	Required	Description
api_key	String	Yes (or use auth_token)	API key for authentication.
auth_token	String	No	Auth token as query parameter or countly-token header.
app_id	String	Yes	App id.
parameter_id	String	Yes	Parameter document id.
parameter	String (JSON Object)	Yes	Updated parameter payload.

Parameter Structure (parameter)

Field	Type	Required	Description
parameter_key	String	Yes	Must match ^[a-zA-Z_][a-zA-Z0-9_]*$.
default_value	Any	Yes	Updated default value.
status	String	No	Defaults to Running when omitted.
conditions	Array	No	Updated condition-value list.

Examples

Update parameter default value

/i/remote-config/update-parameter?api_key=YOUR_API_KEY&app_id=6991c75b024cb89cdc04efd2&parameter_id=65f1f7b2ad5b9b001f12ab34&parameter={"parameter_key":"button_color","default_value":"#00AA55","conditions":[]}

Response

Success Response

{}

Response Fields

No fields are returned on success for this endpoint.

Error Responses

• 400

{
  "result": "Invalid parameter: parameter_key"
}

• 400

{
  "result": "Invalid parameter: default_value"
}

• 500

{
  "result": "The parameter already exists"
}

• 500

{
  "result": "Maximum conditions limit reached"
}

Behavior

• Parses parameter JSON string.
• Sets status to Running when missing.
• Rebuilds valuesList and merges with existing valuesList using $addToSet.
• Emits system log action: rc_parameter_edited with before/after snapshot.

Limitations

• parameter must contain both parameter_key and default_value.

Related Endpoints

• Remote Config - Parameter Create
• Remote Config - Parameter Delete

Implementation details

Configuration Impact

Setting	Default	Affects	User-visible impact
remote-config.conditions_per_paramaeters	20	Validation limit	Update fails when provided condition list exceeds max.

Database Collections

Collection	Used for	Data touched by this endpoint
countly_out.remoteconfig_parameters{appId}	Parameter storage	Validates uniqueness and updates parameter document by id.
countly.systemlogs	Audit trail	Receives rc_parameter_edited action.