Overview
To authenticate with AltText.ai, you need:- API Key — an AltText.ai API key. A site key or a full-access key both work.
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
- Sign in to AltText.ai.
- Open Integrations > API Keys (direct link) and click New API Key.

- 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.

- On the API Keys list, click the key’s masked token to copy it. The token starts with
atai_.

Step 2: Enter your API key in the Connect UI
- Open the form where you need to authenticate with AltText.ai.
- Enter your API key in the API Key field.
- Submit the form, and you should be successfully authenticated.
