https://api.pinterest.com/v3/oauth/access_token API 的任何代码示例。
遵循此 document 但在实施时，我收到以下响应错误。
{
"error": {
"message": "None",
"oauth_error_code": "invalid_grant"
},
"code": 283,
"data": null,
"message": "The authorization grant is invalid",
"endpoint_name": "oauth_access_token",
"status": "failure"
}