Quick Search API giving null [] response

Quick Search API – Empty or Incorrect Response #

Endpoint:

https://{host}/v2/LeadManagement.svc/Leads.GetByQuickSearch?accessKey=AccessKey&secretKey=SecretKey&key=Key

• Use only the key parameter for Quick Search.
  Do not use schemaname or value.

• The value for Quick Search should be passed as the value of the key parameter.

• Ensure the field used as key is enabled for Quick Search in the schema.

Example:
If searching by Email, the field must be Quick Search-enabled and used like:

.../Leads.GetByQuickSearch?accessKey=...&secretKey=...&key=email@example.com

An empty response ([]) usually means:

• The field is not Quick Search-enabled.

• No matching records found.