{"record":{"id":"340286c5673eaf08","repo":"MathewSachin/Captura","slug":"response-indicates-failure","errorCode":null,"errorMessage":"Response indicates Failure","messagePattern":"Response indicates Failure","errorType":"exception","errorClass":"Exception","httpStatus":null,"severity":"error","filePath":"src/Captura.Imgur/ImgurUploader.cs","lineNumber":54,"sourceCode":"            w.Headers.Add(\"Authorization\", await GetAuthorizationHeader());\n\n            NameValueCollection values;\n\n            using (var ms = new MemoryStream())\n            {\n                Image.Save(ms, Format);\n\n                values = new NameValueCollection\n                {\n                    { \"image\", Convert.ToBase64String(ms.ToArray()) }\n                };\n            }\n\n            var uploadResponse = await UploadValuesAsync<ImgurUploadResponse>(w, \"https://api.imgur.com/3/upload.json\", values);\n\n            if (!uploadResponse.Success)\n            {\n                throw new Exception(\"Response indicates Failure\");\n            }\n\n            return new UploadResult\n            {\n                Url = uploadResponse.Data.Link,\n                DeleteLink = $\"https://api.imgur.com/3/image/{uploadResponse.Data.DeleteHash}\"\n            };\n        }\n\n        async Task<string> GetAuthorizationHeader()\n        {\n            if (_settings.Anonymous)\n            {\n                return $\"Client-ID {_apiKeys.ImgurClientId}\";\n            }\n\n            if (string.IsNullOrWhiteSpace(_settings.AccessToken))\n            {","sourceCodeStart":36,"sourceCodeEnd":72,"githubUrl":"https://github.com/MathewSachin/Captura/blob/3fdf41529bf4d50cd7a85aedd856f30e34279a47/src/Captura.Imgur/ImgurUploader.cs#L36-L72","documentation":"Thrown by ImgurUploader.Upload (src/Captura.Imgur/ImgurUploader.cs:54) when the deserialized ImgurUploadResponse has Success == false. The HTTP request itself succeeded and parsed as JSON, but the Imgur v3 API signalled a logical failure in the response body. The Data payload (status/error) holds the reason, which this throw discards.","triggerScenarios":"POST to https://api.imgur.com/3/upload.json returned JSON with success=false. Imgur returns this for rate limiting (429 mapped into the body), over-capacity, image too large/unsupported, banned client, or an invalid/revoked API key/token.","commonSituations":"Anonymous uploads hitting the per-IP/per-app rate cap; an image format Imgur rejects; an expired or revoked OAuth token used after the bearer header was set; Imgur service degradation returning a soft failure.","solutions":["Include uploadResponse.Data (status/error) in the exception text so the cause is visible.","Check the Imgur rate-limit response headers and back off / queue the upload.","Verify the API key (anonymous) or re-authenticate (OAuth) when the body indicates auth failure.","Reduce image size or re-encode to PNG/JPEG before upload."],"exampleFix":"// before\nif (!uploadResponse.Success) throw new Exception(\"Response indicates Failure\");\n// after\nif (!uploadResponse.Success)\n    throw new Exception($\"Imgur upload failed (status {uploadResponse.Status}): {uploadResponse.Data?.Error}\");","handlingStrategy":"try-catch","validationCode":"// pre-check rate limits via Imgur response headers before uploading large payloads\n// (no body field exists pre-upload; rely on tracking remaining credits from prior responses)","typeGuard":null,"tryCatchPattern":"try { var r = await uploader.Upload(img, fmt, progress); }\ncatch (Exception e) when (e.Message.Contains(\"Response indicates Failure\")) { /* back off, check keys/token, shrink image */ }","preventionTips":["Include uploadResponse.Data in the exception so the failure reason is visible.","Respect Imgur rate-limit headers and queue uploads when near the cap.","Re-encode very large images to PNG/JPEG and cap dimensions before upload."],"tags":["imgur","api","upload","rate-limit","csharp"],"backgroundTag":null,"analyzedSha":"3fdf41529bf4d50cd7a85aedd856f30e34279a47","analyzedAt":"2026-08-13T19:35:27.486Z","schemaVersion":2},"datasetVersion":"2026-08-14T00:17:13.853Z"}