earendil-works/pi · error · Error

Token exchange request failed. url=${TOKEN_URL}; redirect_ur

Error message

Token exchange request failed. url=${TOKEN_URL}; redirect_uri=${redirectUri}; response_type=authorization_code; details=${formatErrorDetails(error)}

What it means

Error "Token exchange request failed. url=${TOKEN_URL}; redirect_uri=${redirectUri}; response_type=authorization_code; details=${formatErrorDetails(error)}" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/auth/oauth/anthropic.ts:212

	redirectUri: string,
	signal: AbortSignal,
): Promise<OAuthCredential> {
	let responseBody: string;
	try {
		responseBody = await postJson(
			TOKEN_URL,
			{
				grant_type: "authorization_code",
				client_id: CLIENT_ID,
				code,
				state,
				redirect_uri: redirectUri,
				code_verifier: verifier,
			},
			signal,
		);
	} catch (error) {
		throw new Error(
			`Token exchange request failed. url=${TOKEN_URL}; redirect_uri=${redirectUri}; response_type=authorization_code; details=${formatErrorDetails(error)}`,
		);
	}

	let tokenData: { access_token: string; refresh_token: string; expires_in: number };
	try {
		tokenData = JSON.parse(responseBody) as { access_token: string; refresh_token: string; expires_in: number };
	} catch (error) {
		throw new Error(
			`Token exchange returned invalid JSON. url=${TOKEN_URL}; body=${responseBody}; details=${formatErrorDetails(error)}`,
		);
	}

	return {
		type: "oauth",
		refresh: tokenData.refresh_token,
		access: tokenData.access_token,
		expires: Date.now() + tokenData.expires_in * 1000 - 5 * 60 * 1000,

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Verify the authorization code and redirect_uri, then retry the token exchange.

When it happens

Trigger: Thrown at packages/ai/src/auth/oauth/anthropic.ts:212 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/94f5cbe1d10ebb26. Report an issue: GitHub.