src/admin/class-papi-admin-ajax.php
public function get_property() {
		$default_options = Papi_Core_Property::factory()->get_options();
		$keys            = array_keys( get_object_vars( $default_options ) );
		$options         = papi_get_qs( $keys, true );

		if ( $property = papi_property( $options ) ) {
			ob_start();

			$property->render_ajax_request();

			$html = ob_get_clean();

			wp_send_json( [
				'html' => utf8_encode( $html )
			] );

			return;
		}

		$this->render_error( 'No property found' );
	}
public function get_property() {
		$default_options = Papi_Core_Property::factory()->get_options();
		$keys            = array_keys( get_object_vars( $default_options ) );
		$options         = papi_get_qs( $keys, true );

		if ( $property = papi_property( $options ) ) {
			ob_start();

			$property->render_ajax_request();

			$html = ob_get_clean();

			wp_send_json( [
				'html' => utf8_encode( $html )
			] );

			return;
		}

		$this->render_error( 'No property found' );
	}
Get property html via GET.

GET /papi-ajax/?action=get_property