AI21 Labs Chat API

The Chat API from AI21 Labs — 1 operation(s) for chat.

Operations 1

POST /studio/v1/chat/completions Create a chat completion with a Jamba model

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/ai21-labs-chat-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

ai21-labs-chat-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: AI21 Studio Chat API
  version: 1.0.0
  description: REST API for AI21 Labs covering Jamba chat completions, AI21 Maestro planning runs, and the managed File Library for RAG workflows. Authentication is Bearer token via the Authorization header.
  contact:
    name: AI21 Labs
    url: https://docs.ai21.com/
servers:
- url: https://api.ai21.com
  description: Production
security:
- BearerAuth: []
tags:
- name: Chat
paths:
  /studio/v1/chat/completions:
    post:
      tags:
      - Chat
      summary: Create a chat completion with a Jamba model
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - model
              - messages
              properties:
                model:
                  type: string
                  description: jamba-large, jamba-mini, or other supported Jamba model identifier
                messages:
                  type: array
                  items:
                    type: object
                    properties:
                      role:
                        type: string
                      content:
                        type: string
                max_tokens:
                  type: integer
                  maximum: 4096
                temperature:
                  type: number
                  default: 0.4
                top_p:
                  type: number
                  default: 1.0
                tools:
                  type: array
                  items:
                    type: object
                documents:
                  type: array
                  items:
                    type: object
                response_format:
                  type: object
                stop:
                  type: array
                  items:
                    type: string
                n:
                  type: integer
                  minimum: 1
                  maximum: 16
                  default: 1
                stream:
                  type: boolean
      responses:
        '200':
          description: Completion response
components:
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Bearer API key in Authorization header.