img-alt-api

Simple API endpoint for image alt description generation, powered by OpenAI GPT-4 with Vision.

This is inspired by Ice Cubes. It's really cool.

• Written in Deno.
• Serverless, on Deno Deploy.
• There's no front-end.
• Uses OpenAI GPT-4 with Vision.

Development

Requires Deno.

Add environment variable OPENAI_API_KEY. Could create a .env file and put the variable there too.

• deno task dev - Run the server with watch mode, for development.
• deno task debug - Run the server with watch mode and debugging, for development.
• deno task start - Run the server.

Additional environment variables:

• OPENAI_MODEL - OpenAI model to use, defaults to gpt-4o.

REST API Endpoints

• GET /?image=<image-url>
• POST / with image key as multipart/form-data.

Response:

{
  "description": "a picture of a cat"
}

Error response:

{
  "error": "Failed to generate description"
}

License

MIT.

References

• https://github.com/Dimillian/IceCubesApp/
• https://github.com/JeremiahDMoore/gpt4-vision