Filter Parameters

How to pass filter parameters via query strings or JSON request body to avoid URL length limits.

Many resources accept filters and other parameters which can be simply passed in the GET query string. However, in certain cases, like filtering by a long list of IDs, URLs can potentially exceed the recommended maximum URL length (2000 characters). To prevent problems with long URLs, parameters can also be specified in a JSON-encoded dictionary in the request body under the _params key. Since GET requests with a request body are against the specification, we support the x-http-method-override HTTP header that lets you override the request method.

For example, the following two requests are equivalent:

$ curl -X POST
$      -u apikey:
$      -H 'content-type: application/json'
$      -H 'x-http-method-override: GET'
$      -d '{"_params": { "lead_id": "THE_LEAD_ID" }}'
$      https://api.close.com/api/v1/activity/

$ curl -u apikey: https://api.close.com/api/v1/activity/?lead_id=THE_LEAD_ID

The x-http-method-override header can also be used for clients that have issues with request methods other than GET and POST.

$	curl -X POST
$	-u apikey:
$	-H 'content-type: application/json'
$	-H 'x-http-method-override: GET'
$	-d '{"_params": { "lead_id": "THE_LEAD_ID" }}'
$	https://api.close.com/api/v1/activity/