Syntax in geocoding refers to the format and structure of requests for location information, including the specific parameters and values that must be included in the request. Syntax is important in geocoding because it determines how clients can request location information from a geocoding service and how the service will interpret and respond to those requests.

Each geocoding service may have its own syntax, which defines the parameters that can be included in a request, the format of those parameters, and the type of information that will be returned in the response. For example, a geocoding service may use syntax that requires a request to include a specific parameter, such as an address, postal code, or set of coordinates, in order to receive location information. The syntax may also dictate the format of the response, such as whether it will be in JSON, XML, or another format.

It is important for clients to understand and adhere to the syntax of a geocoding service in order to make effective use of the service and receive accurate and meaningful location information in response to their requests. Failure to adhere to the syntax of a geocoding service can result in errors, incorrect information, or a lack of information in the response.