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The AI Gateway provides a robust and secure gateway to integrate various Large Language Models (LLMs) into applications, including AI21’s models. With the AI Gateway, take advantage of features like fast AI gateway access, observability, prompt management, and more, while securely managing API keys through Model Catalog.

Quick Start

Get AI21 working in 3 steps:
Tip: You can also send x-portkey-provider: @ai21 as a header and use just model="jamba-1-5-large" in the request.

Add Provider in Model Catalog

  1. Go to Model Catalog → Add Provider
  2. Select AI21
  3. Choose existing credentials or create new by entering your AI21 API key
  4. Name your provider (e.g., ai21-prod)

Complete Setup Guide →

See all setup options, code examples, and detailed instructions

Managing AI21 Prompts

Manage all prompt templates to AI21 in the Prompt Library. All current AI21 models are supported, and you can easily test different prompts. Call the POST /v1/prompts/{promptId}/completions endpoint to use the prompt in an application.

Next Steps

Add Metadata

Add metadata to your AI21 requests

Gateway Configs

Add gateway configs to your AI21 requests

Tracing

Trace your AI21 requests

Fallbacks

Setup fallback from OpenAI to AI21
Last modified on September 15, 2026