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Google PaLM

The Google PaLM API can be integrated by first installing the required packages:

npm install google-auth-library @google-ai/generativelanguage

Create an API key from Google MakerSuite. You can then set the key as GOOGLE_PALM_API_KEY environment variable or pass it as apiKey parameter while instantiating the model.

import { GooglePaLMEmbeddings } from "langchain/embeddings/googlepalm";

const model = new GooglePaLMEmbeddings({
  apiKey: "<YOUR API KEY>", // or set it in environment variable as `GOOGLE_PALM_API_KEY`
  modelName: "models/embedding-gecko-001", // OPTIONAL
});
/* Embed queries */
const res = await model.embedQuery(
  "What would be a good company name for a company that makes colorful socks?"
);
console.log({ res });
/* Embed documents */
const documentRes = await model.embedDocuments(["Hello world", "Bye bye"]);
console.log({ documentRes });

API Reference: