Store, version, and A/B test your prompts. Never lose a working prompt again.
Get Started FreeEvery edit creates a new version. Roll back instantly when something breaks.
Use syntax for dynamic prompts. Pass values at runtime.
Fetch prompts via REST API. Stop hardcoding prompts in your codebase.
Split traffic between versions. Find what works best. (Coming soon)
curl -X GET "https://promptcellar.com/api/v1/prompts/welcome-message" \
-H "Authorization: Bearer pk_your_api_key" \
-G --data-urlencode "variables[user_name]=John"
# Response:
{
"prompt": "Hello , welcome!",
"rendered": "Hello John, welcome!",
"version": 3,
"variables": ["user_name"]
}$79/mo