# Ember API

**Canonical:** https://apis.io/apis/goodfire/ember-api/  
**Provider:** Goodfire — https://apis.io/providers/goodfire/  
**Base URL:** https://api.goodfire.ai/api/inference/v1  
**Documentation:** https://github.com/goodfire-ai/goodfire-sdk

Ember API is published by [Goodfire](https://apis.io/providers/goodfire/) on the [APIs.io](https://apis.io/) network. Tagged areas include Interpretability, LLM, and Inference. The published artifact set on APIs.io includes authentication docs.

Hosted mechanistic-interpretability API. OpenAI-compatible chat-completions sampling plus feature discovery (semantic/contrastive search, AutoSteer), feature inspection/context, and model-variant creation and steering over open models like Llama 3.3 70B and Llama 3.1 8B. API-key (Bearer) authentication. Note: the goodfire-sdk repo was archived 2025-10-13 and the API host currently returns 502 as the work moves into the Silico platform.

## Machine-readable artifacts (3)

- **Authentication** — https://raw.githubusercontent.com/api-evangelist/goodfire/refs/heads/main/authentication/goodfire-authentication.yml
- **SourceCode** — https://github.com/goodfire-ai/goodfire-sdk
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/goodfire/refs/heads/main/apis.yml

## Tags

Interpretability, LLM, Inference

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/goodfire/ember-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/goodfire/.