Functions

Build reusable integrations with Voiceflow functions

Functions are reusable integrations within Voiceflow that can be created using JavaScript and API calls.

Voiceflow built function examples

Send Question to Perplexity

Send a question to Perplexity's AI models. This supports pplx-7b-online and pplx-70b-online.

Generate Voice Responses via ElevenLabs API

Retrieve voice responses and audio data from ElevenLabs using text inputs (voice projects only).

Send a SMS message via Twilio

This function sends an SMS message to a specified phone number using Twilio's messaging service.

Send an Analytics Event to Segment

Track agent interactions and send to Segment for analysis.

Create a Dynamic Carousel using Zendesk Help Center Articles

Ship a dynamic carousel with Zendesk Help Center articles.

Extract & Filter Chunks from a Knowledge Base Response

Use the Voiceflow Knowledge Base with a 3rd party AI model. This function takes a users question and extracts the relevant chunks found in the knowledge base.

Convert input messages to human readable dates.

Function Template (API Call)

This is a template you can use to create a function that uses an API call. It uses the Zendesk create ticket API as an example.

Community function examples

Try a Function built by our community of developers.

Send a Query to Mistral 7xB (via. together.ai)

Use Voiceflows Knowledge Base with Mistral 7xB as your AI model. This function works with the chunk extraction function to send a question and relevant chunks to Mistral 7xB (via. together.ai).

Query the OpenAI Vision API with an Image URL

Easily query the OpenAI Vision API with an image URL and map the 'response' output variable to a variable you have set on your Voiceflow project.

Search and retrieve a GIF from GIPHY

Searches Giphy for gifs matching the specified searchTerm with a given language.

Pull from Google Sheets

GET Request to pull data from Google Sheets API.

Create a Dynamic Carousel using Knowledge Base Sources

Output a dynamic carousel card from your Voiceflow knowledge base content.

Arithmetic Calculator

Run simple arithmetic calculator functions: add, subtract, multiply and divide.

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