aig-elevenlabs-provider (#19727)

* aig-elevenlabs-provider

* Update elevenlabs.mdx

* Update elevenlabs.mdx

Beta label

Author: daisyfaithauma

src/content/docs/ai-gateway/providers/elevenlabs.mdx

@@ -0,0 +1,38 @@
+---
+title: ElevenLabs
+pcx_content_type: get-started
+sidebar:
+  badge:
+    text: Beta
+---
+
+[ElevenLabs](https://elevenlabs.io/) offers advanced text-to-speech services, enabling high-quality voice synthesis in multiple languages.
+
+## Endpoint
+
+```txt
+https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/elevenlabs
+```
+
+## Prerequisites
+
+When making requests to ElevenLabs, ensure you have the following:
+
+- Your AI Gateway Account ID.
+- Your AI Gateway gateway name.
+- An active ElevenLabs API token.
+- The model ID of the ElevenLabs voice model you want to use.
+
+## Example
+
+### cURL
+
+```bash title="Request"
+curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/elevenlabs/v1/text-to-speech/JBFqnCBsd6RMkjVDRZzb?output_format=mp3_44100_128 \
+  --header 'Content-Type: application/json' \
+  --header 'xi-api-key: {elevenlabs_api_token}' \
+  --data '{
+    "text": "Welcome to Cloudflare - AI Gateway!",
+    "model_id": "eleven_multilingual_v2"
+}'
+```