Lightning-fast prompt
management for AI teams
Organize, version, and deploy your AI prompts with an edge-native API, secure key management, and org/project isolation. Built for teams that ship fast and iterate faster.
Join 10,000+ developers building the future of AI applications
Everything you need to manage prompts at scale
From rapid prototyping to production deployment, PromptStash handles the complexity so you can focus on building amazing AI experiences.
Ultra-Low Latency API
Edge runtime + Prisma Accelerate caching for snappy reads. Validate keys and fetch versions in parallel.
Version Management
Auto-incremented versions, edit/update, archive/unarchive, and atomic “Make Active” with tags.
Team Organization
True multi-tenant orgs and project slugs. Prompts are unique per project for clean structure.
A/B Testing & Playground
Header-selectable variants built on version tags.
Multi-Language SDKs
Start today with simple headers. Official SDKs for JS/TS, Python, Go.
Transparent Pricing
Free: 1 project, 10 prompts, unlimited versions. Pro: $20/month with everything unlimited.
Playground for serious iteration
Explore prompts across providers side-by-side - share results with your team. The Playground lets you test up to 9 models at once and gives you access to 160+ AI models from all the well-known providers - so you can compare quality, latency, and cost in one view. Develop your prompts directly from the playground and save them to a project.
- Parallel run up to 9 models per prompt
- Compare outputs and reasoning traces
- 160+ models across major providers
- Designed to help you pick the best value
Simple, transparent pricing
Start building for free. Upgrade when you're ready to scale.