earendil-works/pi · error · ModelsError

stream

stream

Error message

Provider ${input.id} has no API implementation for "${model.api}"

What it means

Error "Provider ${input.id} has no API implementation for "${model.api}"" thrown in earendil-works/pi.

Source

Thrown at packages/ai/src/models.ts:788

			if (index >= 0) merged[index] = model;
			else merged.push(model);
		}
		return merged;
	};
	const single =
		typeof (input.api as ProviderStreams).stream === "function" ? (input.api as ProviderStreams) : undefined;
	const byApi = single ? undefined : (input.api as Partial<Record<string, ProviderStreams>>);

	const apiFor = (model: Model<Api>): ProviderStreams | undefined => single ?? byApi?.[model.api];

	const dispatch = (
		model: Model<Api>,
		run: (streams: ProviderStreams) => AssistantMessageEventStream,
	): AssistantMessageEventStream => {
		const streams = apiFor(model);
		if (!streams) {
			return lazyStream(model, async () => {
				throw new ModelsError("stream", `Provider ${input.id} has no API implementation for "${model.api}"`);
			});
		}
		return run(streams);
	};

	const provider: Provider<TApi> = {
		id: input.id,
		name: input.name ?? input.id,
		baseUrl: input.baseUrl,
		headers: input.headers,
		auth: input.auth,
		getModels: currentModels,
		refreshModels: fetchModels
			? async (context) => {
					if (context.stored) {
						const restored = context.stored.models
							.filter((model) => model.provider === input.id)
							.map((model) => model as Model<TApi>);

View on GitHub (pinned to 4af9d21d3b)

Solutions

1. Choose a model.api the provider implements, or register an implementation for that api.

When it happens

Trigger: Thrown at packages/ai/src/models.ts:788 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/f0e54c9633ecae91. Report an issue: GitHub.