diff --git a/.cspell.json b/.cspell.json
index bbe91d8..bfda9c8 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -30,7 +30,8 @@
     "mixtral",
     "nemo",
     "Reranking",
-    "mistralai"
+    "mistralai",
+    "OPENROUTER_API_KEY"
   ],
   "dictionaries": ["typescript", "node", "software-terms"],
   "import": ["@cspell/dict-typescript/cspell-ext.json", "@cspell/dict-node/cspell-ext.json", "@cspell/dict-software-terms"],
diff --git a/.dev.vars.example b/.dev.vars.example
index e39f3dd..10d5348 100644
--- a/.dev.vars.example
+++ b/.dev.vars.example
@@ -1,4 +1,6 @@
 OPENAI_API_KEY=""
 SUPABASE_URL=""
 SUPABASE_KEY=""
-VOYAGEAI_API_KEY=""
\ No newline at end of file
+VOYAGEAI_API_KEY=""
+OPENROUTER_API_KEY=""
+UBIQUITY_OS_APP_NAME=""
\ No newline at end of file
diff --git a/.github/workflows/compute.yml b/.github/workflows/compute.yml
index 533c5ec..810c502 100644
--- a/.github/workflows/compute.yml
+++ b/.github/workflows/compute.yml
@@ -28,6 +28,7 @@ jobs:
       SUPABASE_KEY: ${{ secrets.SUPABASE_KEY }}
       VOYAGEAI_API_KEY: ${{ secrets.VOYAGEAI_API_KEY }}
       OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+      OPENROUTER_API_KEY: ${{ secrets.OPENROUTER_API_KEY }}
       UBIQUITY_OS_APP_NAME: ${{ secrets.UBIQUITY_OS_APP_NAME }}
 
     steps:
@@ -49,4 +50,5 @@ jobs:
           SUPABASE_KEY: ${{ secrets.SUPABASE_KEY }}
           VOYAGEAI_API_KEY: ${{ secrets.VOYAGEAI_API_KEY }}
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+          OPENROUTER_API_KEY: ${{ secrets.OPENROUTER_API_KEY }}
           UBIQUITY_OS_APP_NAME: ${{ secrets.UBIQUITY_OS_APP_NAME }}
diff --git a/.github/workflows/worker-deploy.yml b/.github/workflows/worker-deploy.yml
index 771552e..34ad999 100644
--- a/.github/workflows/worker-deploy.yml
+++ b/.github/workflows/worker-deploy.yml
@@ -49,6 +49,7 @@ jobs:
           UBIQUITY_OS_APP_NAME: ${{ secrets.UBIQUITY_OS_APP_NAME }}
           SUPABASE_URL: ${{ secrets.SUPABASE_URL }}
           SUPABASE_KEY: ${{ secrets.SUPABASE_KEY }}
+          OPENROUTER_API_KEY: ${{ secrets.OPENROUTER_API_KEY }}
 
       - name: Write Deployment URL to Summary
         run: |
diff --git a/README.md b/README.md
index ae289dc..8dac438 100644
--- a/README.md
+++ b/README.md
@@ -27,11 +27,15 @@ plugins:
 
 `.dev.vars` (for local testing):
 
+To use the Openrouter API for fetching chat history, set the `OPENROUTER_API_KEY` in the `.dev.vars` file and specify the OpenAiBase URL in the `ubiquibot-config.yml` file. Alternatively, you can set the `OPENAI_API_KEY` in the `.dev.vars` file.
+
 ```sh
-# OpenAI API key
-OPENAI_API_KEY=your-api-key
+OPENAI_API_KEY=your_openai_api_key
+SUPABASE_URL=your_supabase_url
+SUPABASE_KEY=your_supabase_key
+VOYAGEAI_API_KEY=your_voyageai_api_key
+OPENROUTER_API_KEY=your_openrouter_api_key
 UBIQUITY_OS_APP_NAME="UbiquityOS"
-
 ```
 
 ## Testing
diff --git a/src/plugin.ts b/src/plugin.ts
index bdfc3e8..50e422a 100644
--- a/src/plugin.ts
+++ b/src/plugin.ts
@@ -16,7 +16,7 @@ export async function plugin(inputs: PluginInputs, env: Env) {
     apiKey: env.VOYAGEAI_API_KEY,
   });
   const openAiObject = {
-    apiKey: env.OPENAI_API_KEY,
+    apiKey: (inputs.settings.openAiBaseUrl && env.OPENROUTER_API_KEY) || env.OPENAI_API_KEY,
     ...(inputs.settings.openAiBaseUrl && { baseURL: inputs.settings.openAiBaseUrl }),
   };
   const openaiClient = new OpenAI(openAiObject);
diff --git a/src/types/env.ts b/src/types/env.ts
index d548e9d..11229dc 100644
--- a/src/types/env.ts
+++ b/src/types/env.ts
@@ -17,6 +17,7 @@ export const envSchema = T.Object({
   VOYAGEAI_API_KEY: T.String(),
   SUPABASE_URL: T.String(),
   SUPABASE_KEY: T.String(),
+  OPENROUTER_API_KEY: T.String(),
 });
 
 export const envValidator = new StandardValidator(envSchema);