Kalle by Appmake API
Use Kalle by Appmake in your own products. Send a message, get an answer. Your first call takes about two minutes.
2 min
Base URLhttps://api.kalle.build/v1AuthBearer kalle_sk_…VersionKalle-Version: 2026-11-01
1. Get an API key
Sign in to Appmake and open Kalle API in the sidebar. Click Create key, give it a name and copy it. Keys start with kalle_sk_.
Terminal
export KALLE_API_KEY="kalle_sk_..."2. Pick a language
There is nothing to install: the API is HTTPS and JSON. The samples on these pages use cURL, TypeScript with the built-in fetch (Node 18 or later), and Python with requests (pip install requests). See SDKs.
3. Send your first message
This sends one message to Kalle Turbo and prints the answer. The reply text is in content[0].text.
Press Try it next to the code to send it from this page with your own key. It is a real request, billed to your workspace.
POST/v1/messages
curl https://api.kalle.build/v1/messages \
-H "Authorization: Bearer $KALLE_API_KEY" \
-H "Kalle-Version: 2026-11-01" \
-H "Content-Type: application/json" \
-d '{
"model": "kalle-turbo",
"max_tokens": 256,
"messages": [
{
"role": "user",
"content": "Hello, Kalle"
}
]
}'