public static function api_call( $params ) {

		$api = self::get_instance();

		if ( null !== self::$mock_response ) {
			return self::$mock_response;
		}

		if ( empty( $params['endpoint'] ) ) {
			throw new \Exception( 'Endpoint is required', 500 );
		}

		if ( empty( $params['body'] ) ) {
			throw new \Exception( 'Request body is required', 500 );
		}

		$params = $api->add_endpoint_parts( $params );

		$params['method']             = 'POST';
		$params['url']                = self::$url . $params['endpoint'];
		$params['body']['plugin_ver'] = InitializePlugin::PLUGIN_VERSION;

		$params = $api->filter_params( $params );

		$response = self::call( $params );

		$code = wp_remote_retrieve_response_code( $response );

		$response_body = json_decode( wp_remote_retrieve_body( $response ), true );

		//Some endpoints like Mailchimp send a NULL as the reponse with a code in case of success.
		if ( empty( $response_body ) && ! empty( $code ) ) {
			$response_body = $api->create_payload( null, $code );
		}

		if ( ! is_array( $response_body ) ) {
			automator_log( var_export( $response_body, true ), 'Invalid API response: ' ); //phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_export
			throw new \Exception( 'Invalid API response', 500 );
		}

		if ( isset( $response_body['error'] ) && isset( $response_body['error']['description'] ) ) {
			$error = $response_body['error']['description'];
			automator_log( $error, 'api_call returned an error: ' );
			throw new \Exception( $error, $response_body['statusCode'] );
		}

		// Handle response body that has [data][error][message] (e.g. Instagram user media publish limit exceeded).
		if ( isset( $response_body['data']['error'] ) && isset( $response_body['data']['error']['message'] ) ) {
			throw new \Exception( 'API has responded with an error message: ' . $response_body['data']['error']['message'], $response_body['statusCode'] );
		}

		if ( isset( $response_body['statusCode'] ) && array_key_exists( 'data', $response_body ) ) {
			return $response_body;
		}

		automator_log( var_export( $response_body, true ), 'Unrecognized API response: ' ); //phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_export

		throw new \Exception( 'Unrecognized API response', 500 );
	}