# Manifest LLM Gateway API

**Canonical:** https://apis.io/apis/manifest/llm-gateway-api/  
**Provider:** Manifest — https://apis.io/providers/manifest/  
**Base URL:** https://app.manifest.build  
**Documentation:** https://manifest.build/llm-gateway/docs/reference/api

Manifest LLM Gateway API is published by [Manifest](https://apis.io/providers/manifest/) on the [APIs.io](https://apis.io/) network. Tagged areas include LLM Gateway and OpenAI-Compatible. The published artifact set on APIs.io includes API documentation and an API reference.

OpenAI- and Anthropic-compatible proxy API of the Manifest LLM gateway. Clients point at the gateway URL, send `auto` as the model and routing picks the real model; documented endpoints are POST /v1/chat/completions, POST /v1/responses, POST /v1/messages and GET /v1/models, authenticated with a harness key (`Authorization Bearer mnfst_...`). Cloud base https://app.manifest.build; self-hosted default http://localhost:2099. No machine-readable contract is published.

## Machine-readable artifacts (3)

- **Documentation** — https://manifest.build/llm-gateway/docs/introduction/
- **APIReference** — https://manifest.build/llm-gateway/docs/reference/api
- **APIsJSON** — https://artifacts.apis.io/manifest/apis.yml

## Tags

LLM Gateway, OpenAI-Compatible

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