{"record":{"id":"59bc1b71cb70cfe9","repo":"earendil-works/pi","slug":"token-exchange-returned-invalid-json-url-token","errorCode":null,"errorMessage":"Token exchange returned invalid JSON. url=${TOKEN_URL}; body=${responseBody}; details=${formatErrorDetails(error)}","messagePattern":"Token exchange returned invalid JSON\\. url=(.+?); body=(.+?); details=(.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/ai/src/auth/oauth/anthropic.ts","lineNumber":221,"sourceCode":"\t\t\t\tclient_id: CLIENT_ID,\n\t\t\t\tcode,\n\t\t\t\tstate,\n\t\t\t\tredirect_uri: redirectUri,\n\t\t\t\tcode_verifier: verifier,\n\t\t\t},\n\t\t\tsignal,\n\t\t);\n\t} catch (error) {\n\t\tthrow new Error(\n\t\t\t`Token exchange request failed. url=${TOKEN_URL}; redirect_uri=${redirectUri}; response_type=authorization_code; details=${formatErrorDetails(error)}`,\n\t\t);\n\t}\n\n\tlet tokenData: { access_token: string; refresh_token: string; expires_in: number };\n\ttry {\n\t\ttokenData = JSON.parse(responseBody) as { access_token: string; refresh_token: string; expires_in: number };\n\t} catch (error) {\n\t\tthrow new Error(\n\t\t\t`Token exchange returned invalid JSON. url=${TOKEN_URL}; body=${responseBody}; details=${formatErrorDetails(error)}`,\n\t\t);\n\t}\n\n\treturn {\n\t\ttype: \"oauth\",\n\t\trefresh: tokenData.refresh_token,\n\t\taccess: tokenData.access_token,\n\t\texpires: Date.now() + tokenData.expires_in * 1000 - 5 * 60 * 1000,\n\t};\n}\n\nasync function loginAnthropic(interaction: ProviderAuthInteraction): Promise<OAuthCredential> {\n\tconst { verifier, challenge } = await generatePKCE();\n\tconst server = await startCallbackServer(verifier);\n\tconst manualAbort = new AbortController();\n\tconst onAbort = () => server.cancelWait();\n\tinteraction.signal.addEventListener(\"abort\", onAbort, { once: true });","sourceCodeStart":203,"sourceCodeEnd":239,"githubUrl":"https://github.com/earendil-works/pi/blob/4af9d21d3b4d664e4a29fcabfec85171077248e3/packages/ai/src/auth/oauth/anthropic.ts#L203-L239","documentation":"Error \"Token exchange returned invalid JSON. url=${TOKEN_URL}; body=${responseBody}; details=${formatErrorDetails(error)}\" thrown in earendil-works/pi.","triggerScenarios":"Thrown at packages/ai/src/auth/oauth/anthropic.ts:221 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Inspect the response body; the token endpoint returned non-JSON, so retry or check the endpoint."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"4af9d21d3b4d664e4a29fcabfec85171077248e3","analyzedAt":"2026-08-24T13:07:14.692Z","schemaVersion":2},"datasetVersion":"2026-08-24T17:17:21.512Z"}