Host managed LangChain Apps in seconds.

Async compute, data storage, embedding search, and custom endpoints built-in.

Hosted LangChain Examples

Swap steamship_langchain classes for select langchain counterparts to get fully-managed hosting.
Wrap your code in Flask-style endpoints to deploy a live, multi-user API.

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LLMs: Swap in Steamship's OpenAI class to gain cloud logging and key management.
Buffer Memory: Use Steamship's ConversationBufferMemory class for multi-user, cloud-hosted caching.
Windowed Buffer Memory: Use Steamship's ConversationBufferWindowMemory class for multi-user, cloud-hosted caching.
Google Search: Swap in Steamship's SteamshipSERP class for cloud-managed Google Search.
Embedding Search: Use with Steamship's built-in embedding search plugins to create and search vectors.
Audio Transcription: Use with Steamship's Whisper plugin to convert audio to text.

How do I host my API?: Just run ship deploy to deploy your API to Steamship's cloud.
How can people use my API?: Steamship auto-generates endpoints protected by key-based authentication.
How can I publish a demo?: For certain project types, we will auto-generate a web page where others can try it.
Can I use any Python?: Just about. Please be reasonable and add your dependencies to requirements.txt.
How do I debug?: Debug like regular Python on Localhost or Replit. If you're stuck, just reach out to hello@steamship.com.
Where are my logs?: Create an instance of your deployed package click the View Logs button from web page.

Are there usage limits?: Our free introduction has a limit of 500 API calls and 200,000 characters / 40 MB of plugin (LLM) usage. Reach out to support@steamship.com to increase your limit.
What happens when I hit usage limits?: You'll get an error message from our API. Reach out to support@steamship.com for an increase.
Why don't you charge?: We're working on it! Right now we're just iterating as fast as possible on the platform.

How do I return JSON?: Just return a Python dict object. This recipe shows how.
How do I return an image?: Just return raw bytes plus a MIME type as shown by this recipe.
How do I return audio?: Just return raw bytes plus a MIME type as shown by this recipe.

Need more help? Reach out over email or join our Discord.

Install our Python library: From the folder containing api.py, run pip install steamship.
Run 'ship deploy': Installing our python library makes the ship deploy command available. Your first time, you will be walked through a few questions to configure your package.
Share the results: When deployment succeeds, you"ll see a URL that lets anyone try your API on the web or use it over HTTP.