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Overview

To authenticate with AltText.ai, you need:
  1. API Key — an AltText.ai API key. A site key or a full-access key both work.
This guide will show you how to create one.

Prerequisites

  • An AltText.ai account. Every new account starts with 25 free credits, no credit card required. If you don’t have an account, sign up.

Step 1: Create an API key

  1. Sign in to AltText.ai.
  2. Open Integrations > API Keys (direct link) and click New API Key.
AltText.ai API Keys tab with the New API Key button
  1. Enter a name for the key. Keep Site key selected for a key that generates alt text, or pick Full access for a key that can also manage other keys. Then click Create Key.
AltText.ai New API Key form with the key name and the Site key and Full access options
  1. On the API Keys list, click the key’s masked token to copy it. The token starts with atai_.
AltText.ai API Keys list showing the new key and its masked token to copy

Step 2: Enter your API key in the Connect UI

  1. Open the form where you need to authenticate with AltText.ai.
  2. Enter your API key in the API Key field.
  3. Submit the form, and you should be successfully authenticated.
AltText.ai Connect UI form with the API Key field You are now connected to AltText.ai.