---
title: We want to connect Faslet to our Sleak chat assistant. Which API key does Sleak need?
description: Sleak gets our size advice from our API.
---
[Skip to content](https://site.faslet.me/knowledge-base/connect-sleak-chat#main-content)
- [English](https://site.faslet.me/knowledge-base/connect-sleak-chat)
- [Nederlands](https://site.faslet.me/knowledge-base-nl/connect-sleak-chat)
English
Show submenu for translations
.png?width=100&height=24&name=Faslet-logo-rgb%20(4).png)
- Solutions
Show submenu for Solutions
- [For Kids](https://site.faslet.me/en/products-kids)
- About
Show submenu for About
- [Blogs](https://site.faslet.me/blog)
- [Press](https://www.deondernemer.nl/innovatie/startup-van-de-week-faslet-oplossing-online-maattabellen~3789309)
- [Contact us](https://site.faslet.me/contact-us)
- Partners
- [Sign-up](https://portal.faslet.net/signup)
Open main navigation
Close main navigation
- Solutions
Show submenu for Solutions
- [For Kids](https://site.faslet.me/en/products-kids)
- About
Show submenu for About
- [Blogs](https://site.faslet.me/blog)
- [Press](https://www.deondernemer.nl/innovatie/startup-van-de-week-faslet-oplossing-online-maattabellen~3789309)
- [Contact us](https://site.faslet.me/contact-us)
- Partners
- [Sign-up](https://portal.faslet.net/signup)
- - [English](https://site.faslet.me/knowledge-base/connect-sleak-chat)
- [Nederlands](https://site.faslet.me/knowledge-base-nl/connect-sleak-chat)
English
Show submenu for translations
- Contact us
Contact us
How can we help you?
- There are no suggestions because the search field is empty.
1. [Faslet Knowledge Base](https://site.faslet.me/knowledge-base)
2. [Integrations and API](https://site.faslet.me/knowledge-base/integrations-and-api)
# We want to connect Faslet to our Sleak chat assistant. Which API key does Sleak need?
## The question
- We want to connect Faslet to Sleak, and Sleak needs our API key for that. Where can we find it, or can you share it with us?
## Applies to
- A shop with the Faslet widget on its product pages and a Sleak.chat chat assistant; any shop platform
## Answer
Sleak gets our size advice from our API. For that, it needs two things from you: your Faslet API token and your shop ID (see the authorization part of our [API documentation](https://docs.faslet.net/docs/api#authorization)).
1. Create the token yourself in the Faslet portal: open [App Marketplace](https://portal.faslet.net/integrations) (**app marketplace** in the menu), pick your store in the top bar if you have more than one, choose **Faslet API**, click **connect**, then **Generate API Token**. Rather have us create it and send it to you? Just ask.
2. Look up your shop ID: in the Faslet portal, open [Stores](https://portal.faslet.net/retailer), click your store, and open the **widget integration** tab: it is under Code Snippets, in **Faslet Shop ID**. Or ask us, and we send it to you.
3. In your Sleak account, add a new action that calls our API, with the token and the shop ID as headers. The settings that work well with Sleak (the address, the headers, the body, the variables and a prompt) are on our [Sleak.chat page](https://docs.faslet.net/docs/chatbot-integrations/sleak).
Don't see **app marketplace** in the Faslet portal's menu? Let us know: it is switched on per store.
The assistant gets `This product is not currently supported for Faslet sizing at this store` for clothing too? See [our chat assistant gets this message for clothing too](https://site.faslet.me/knowledge-base/api-product-not-supported-feed-link-addition).
Good to know: the assistant asks us for the size advice of one product at a time. When a shopper asks from a collection page, it first has to find out which product they mean; see [our Sleak chat assistant says `I'm sorry, I couldn't retrieve a size recommendation`](https://site.faslet.me/knowledge-base/sleak-no-size-advice-collection-page).
- [Size advice](https://site.faslet.me/knowledge-base/size-advice)
- [Products and size charts](https://site.faslet.me/knowledge-base/products-and-size-charts)
- [Getting started](https://site.faslet.me/knowledge-base/getting-started)
- [Fit Bar](https://site.faslet.me/knowledge-base/fit-bar)
- [Look and placement](https://site.faslet.me/knowledge-base/look-and-placement)
- [Returns and orders](https://site.faslet.me/knowledge-base/returns-and-orders)
- [Integrations and API](https://site.faslet.me/knowledge-base/integrations-and-api)
- [Portal, reports and A/B tests](https://site.faslet.me/knowledge-base/portal-reports-and-a-b-tests)
- Solutions
- [For Kids](https://site.faslet.me/en/products-kids)
- About
- [Blogs](https://site.faslet.me/blog)
- [Press](https://www.deondernemer.nl/innovatie/startup-van-de-week-faslet-oplossing-online-maattabellen~3789309)
- [Contact us](https://site.faslet.me/contact-us)
- Partners
- [Sign-up](https://portal.faslet.net/signup)
[](http://faslet.me)
[mailto:email@email.com](mailto:email@email.com)
Copyright © 2026, Faslet B.V.