01.AI

01.AI Chat API

OpenAI-compatible chat completions for Yi text and vision models.

GitHub OpenAPI

Operations 1

POST /chat/completions Create a chat completion using a Yi model

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/01-ai/refs/heads/main/openapi/01-ai-chat-api-openapi.yml

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OpenAPI Specification

01-ai-chat-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Lingyiwanwu Platform Chat API
  version: '1.0'
  description: OpenAI-compatible inference API for the Yi family of large language models from 01.AI. Available models include Yi-Lightning, Yi-Lightning-Lite, Yi-Large, Yi-Large-Turbo, and Yi-Vision. The wire protocol mirrors the OpenAI Chat Completions API; only endpoints explicitly documented by 01.AI as available are listed below.
  contact:
    name: 01.AI Lingyiwanwu Platform
    url: https://platform.lingyiwanwu.com/docs
servers:
- url: https://api.lingyiwanwu.com/v1
  description: Lingyiwanwu inference endpoint (OpenAI-compatible)
tags:
- name: Chat
  description: OpenAI-compatible chat completions for Yi text and vision models.
paths:
  /chat/completions:
    post:
      tags:
      - Chat
      summary: Create a chat completion using a Yi model
      description: OpenAI-compatible chat completions endpoint. Accepts a model identifier (e.g. yi-lightning, yi-large, yi-vision) and a list of messages.
      responses:
        '200':
          description: Successful chat completion
        '401':
          description: Unauthorized
      security:
      - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key passed as a Bearer token in the Authorization header.