earendil-works/pi · error · Error

No API key found for ${provider}. Use /login to log into a

Error message

No API key found for ${provider}.

Use /login to log into a provider via OAuth or API key. See:
  ${getDocsPath()}/providers.md
  ${getDocsPath()}/models.md

What it means

Error "No API key found for ${provider}. Use /login to log into a provider via OAuth or API key. See: ${getDocsPath()}/providers.md ${getDocsPath()}/models.md" thrown in earendil-works/pi.

Source

Thrown at packages/coding-agent/src/core/agent-session.ts:426

	}

	get modelRuntime(): ModelRuntime {
		return this._modelRuntime;
	}

	private async _getRequiredRequestAuth(model: Model<any>): Promise<{
		model: Model<any>;
		apiKey?: string;
		headers?: Record<string, string>;
		env?: Record<string, string>;
	}> {
		let result: AuthResult | undefined;
		try {
			result = await this._modelRuntime.getAuth(model);
		} catch (error) {
			const cause = error instanceof Error ? error.cause : undefined;
			if (cause instanceof Error && cause.message === "authHeader requires a resolved API key") {
				throw new Error(formatNoApiKeyFoundMessage(model.provider));
			}
			throw error;
		}
		if (result && (result.auth.apiKey || result.auth.headers)) {
			const requestModel = result.auth.baseUrl ? { ...model, baseUrl: result.auth.baseUrl } : model;
			return {
				model: requestModel,
				apiKey: result.auth.apiKey,
				headers: withoutDeletedHeaders(result.auth.headers),
				env: result.env,
			};
		}

		const isOAuth = this._modelRuntime.isUsingOAuth(model.provider);
		if (isOAuth) {
			throw new Error(
				`Authentication failed for "${model.provider}". ` +
					`Credentials may have expired or network is unavailable. ` +

View on GitHub (pinned to 4af9d21d3b)

When it happens

Trigger: Thrown at packages/coding-agent/src/core/agent-session.ts:426 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/1933a627414d9938. Report an issue: GitHub.