<?php
namespace GuzzleHttp;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
interface MessageFormatterInterface
{
/**
* Returns a formatted message string.
*
* @param RequestInterface $request Request that was sent
* @param ResponseInterface|null $response Response that was received
* @param \Throwable|null $error Exception that was received
*/
public function format(RequestInterface $request, ResponseInterface $response = null, \Throwable $error = null): string;
}
In case of an error, the API will return an error response containing a specific error code 400, 403 Failed and a user-friendly message. Refer to our API documentation for a comprehensive list of error codes and their descriptions.