Use with AWS Lambda

import { Handler } from "aws-lambda";
import axios from "axios";

interface LambdaEvent {
  query: string;
  memoryID?: string;
}

interface MemoryRetrieverResponse {
  payload: string;
  facts: Array<{
    text: string;
    relevance: number;
  }>;
}

export const handler: Handler<LambdaEvent, LambdaResponse> = async (event) => {
  try {
    const { query, memoryID } = event;

    const params = new URLSearchParams({
      query,
      ...(memoryID && { memoryID }),
      assisted: "true",
      facts: "true",
    });

    const response = await axios.get<MemoryRetrieverResponse>(
      `https://api.duohub.ai/memory/?${params.toString()}`,
      {
        headers: {
          "X-API-KEY": process.env.API_KEY as string,
          "Content-Type": "application/json",
        },
      }
    );

    return {
      success: true,
      message: "Query executed successfully.",
      answer: response.data.payload,
      facts: response.data.facts,
    };
  } catch (err) {
    console.error("Error querying memory retriever:", err);
    return {
      success: false,
      message: `Error: ${err instanceof Error ? err.message : String(err)}`,
      answer: "",
      facts: [],
    };
  }
};

API_KEY=your-duohub-api-key

{
  "dependencies": {
    "aws-lambda": "^1.0.7",
    "axios": "^1.7.7"
  }
}

service: duohub-memory-service

provider:
  name: aws
  runtime: nodejs18.x
  environment:
    API_KEY: ${env:API_KEY}

functions:
  memoryQuery:
    handler: index.handler
    events:
      - http:
          path: query
          method: post

serverless deploy

tsc

zip -r function.zip dist/ node_modules/

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "logs:CreateLogGroup",
        "logs:CreateLogStream",
        "logs:PutLogEvents"
      ],
      "Resource": "arn:aws:logs:*:*:*"
    }
  ]
}

{
  "query": string,    // Required: Your query
  "memoryID": string  // Optional: Specific memory ID
}

{
  "success": boolean,
  "message": string,
  "answer": string,
  "facts": Array<{
    "text": string,
    "relevance": number
  }>
}

curl -X POST https://your-lambda-url/query \
  -H "Content-Type: application/json" \
  -d '{"query": "your query", "memoryID": "optional-memory-id"}'