earendil-works/pi · error

xAI OAuth returned invalid JSON (HTTP ${response.status})

Error message

xAI OAuth returned invalid JSON (HTTP ${response.status})

What it means

Error "xAI OAuth returned invalid JSON (HTTP ${response.status})" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/auth/oauth/xai.ts:91

			body: new URLSearchParams(fields),
			signal,
		});
	} catch (error) {
		if (signal.aborted) {
			throw new Error("Login cancelled");
		}
		throw error;
	}

	let body: JsonObject;
	try {
		const parsed = (await response.json()) as unknown;
		body = parsed && typeof parsed === "object" && !Array.isArray(parsed) ? (parsed as JsonObject) : {};
	} catch {
		if (signal.aborted) {
			throw new Error("Login cancelled");
		}
		throw new Error(`xAI OAuth returned invalid JSON (HTTP ${response.status})`);
	}
	return {
		ok: response.ok,
		status: response.status,
		body,
	};
}

function requestFailure(action: string, response: OAuthHttpResponse): Error {
	const error = typeof response.body.error === "string" ? response.body.error : undefined;
	const description =
		typeof response.body.error_description === "string" ? response.body.error_description : undefined;
	const detail = [error, description].filter(Boolean).join(": ");
	return new Error(`xAI OAuth ${action} failed (HTTP ${response.status})${detail ? `: ${detail}` : ""}`);
}

function parseDeviceCode(body: JsonObject): XaiDeviceCode {
	// RFC 8628 allows interval 0 (no minimum wait); fall back to the poller's

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Retry; check the HTTP status and the raw response body.

When it happens

Trigger: Thrown at packages/ai/src/auth/oauth/xai.ts:91 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Parsing and encoding errors: unexpected token, malformed input — why parsers reject input and how to find the real culprit.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/040a1e6f2780cb2a. Report an issue: GitHub.