earendil-works/pi · error · Error

OpenRouter OAuth returned invalid JSON

Error message

OpenRouter OAuth returned invalid JSON

What it means

Error "OpenRouter OAuth returned invalid JSON" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/auth/oauth/openrouter.ts:107

	const timeout = setTimeout(
		() => controller.abort(new Error("OpenRouter OAuth token exchange timed out")),
		TOKEN_EXCHANGE_TIMEOUT_MS,
	);

	let response: Response;
	let body: JsonObject = {};
	try {
		response = await fetch(TOKEN_URL, {
			method: "POST",
			headers: { accept: "application/json", "content-type": "application/json" },
			body: JSON.stringify({ code, code_verifier: verifier, code_challenge_method: "S256" }),
			signal: controller.signal,
		});
		try {
			const parsed = (await response.json()) as unknown;
			if (parsed && typeof parsed === "object" && !Array.isArray(parsed)) body = parsed as JsonObject;
		} catch {
			if (response.ok) throw new Error("OpenRouter OAuth returned invalid JSON");
		}
	} catch (error) {
		if (signal.aborted) throw new Error("Login cancelled");
		if (controller.signal.aborted) throw new Error("OpenRouter OAuth token exchange timed out");
		throw error;
	} finally {
		clearTimeout(timeout);
		signal.removeEventListener("abort", onAbort);
	}

	if (!response.ok) {
		const detail = errorDetail(body);
		throw new Error(`OpenRouter OAuth key exchange failed (HTTP ${response.status})${detail ? `: ${detail}` : ""}`);
	}

	if (typeof body.key !== "string" || body.key.length === 0) {
		throw new Error('OpenRouter OAuth response carries no "key"');
	}

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Retry the OpenRouter key exchange; inspect the raw response body.

When it happens

Trigger: Thrown at packages/ai/src/auth/oauth/openrouter.ts:107 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/d6cb20d54ee47bb8. Report an issue: GitHub.