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 | API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [Aylien Text Analysis](https://docs.aylien.com/textapi/#getting-started) | A collection of information retrieval and natural language APIs | `apiKey` | Yes | Unknown |
+| [Chatpdf](https://chatpdf.so/api) | Chat with pdf using GPT4 and ChatGPT | `apiKey` | Yes | Yes |
 | [Cloudmersive Natural Language Processing](https://www.cloudmersive.com/nlp-api) | Natural language processing and text analysis | `apiKey` | Yes | Yes |
 | [Code Detection API](https://codedetectionapi.runtime.dev) | Detect, label, format and enrich the code in your app or in your data pipeline | `OAuth`| Yes | Unknown |
 | [Detect Language](https://detectlanguage.com/) | Detects text language | `apiKey` | Yes | Unknown |