# Langtail Docs

## Docs

- [Create a Thread](https://langtail.com/docs/api-reference/endpoint/create-thread.md): Create a new thread. This endpoint allows you to initialize a conversation thread, optionally providing metadata or an initial log.
- [Create Thread Message](https://langtail.com/docs/api-reference/endpoint/create-thread-message.md): Create a new message in a thread.
- [Delete a Thread by ID](https://langtail.com/docs/api-reference/endpoint/delete-thread.md): Deletes a thread by its ID.
- [Delete Thread Message](https://langtail.com/docs/api-reference/endpoint/delete-thread-message.md): Deletes a message by its ID.
- [Invoke Assistant](https://langtail.com/docs/api-reference/endpoint/invoke-assistant.md): Get completion for a stored assistant. This endpoint invokes the assistant and returns its response. It uses chat completions on the backend and maintains OpenAI-compatible format. Assistants are stateful AI agents that can leverage various model providers and tools, access persistent conversation t…
- [Invoke Deployed Prompt](https://langtail.com/docs/api-reference/endpoint/invoke-deployed-prompt.md): Get completion for stored prompt. The response format is the same as [OpenAI Chat completion response](https://platform.openai.com/docs/api-reference/chat/object).
- [Thread by ID](https://langtail.com/docs/api-reference/endpoint/thread.md): Retrieves a thread by its ID.
- [Get Thread Message](https://langtail.com/docs/api-reference/endpoint/thread-message.md): Retrieves a specific message from a thread.
- [List Thread Messages](https://langtail.com/docs/api-reference/endpoint/thread-messages.md): Retrieves a list of messages for a specific thread.
- [List Threads](https://langtail.com/docs/api-reference/endpoint/threads.md): Get a list of threads within your project.
- [Update Thread Message](https://langtail.com/docs/api-reference/endpoint/update-message.md): Updates the metadata of a specific message within a thread.
- [Update a Thread by ID](https://langtail.com/docs/api-reference/endpoint/update-thread.md): Updates a thread's metadata by its ID.
- [API keys and Env Variables](https://langtail.com/docs/concepts-and-examples/deployments/api-keys.md)
- [Deploy Prompt](https://langtail.com/docs/concepts-and-examples/deployments/deploy-prompt.md)
- [Deployments Overview](https://langtail.com/docs/concepts-and-examples/deployments/overview.md)
- [Logs and Metrics Overview](https://langtail.com/docs/concepts-and-examples/logs-and-metrics/overview.md)
- [Concepts and Examples Overview](https://langtail.com/docs/concepts-and-examples/overview.md)
- [Assistants & Threads](https://langtail.com/docs/concepts-and-examples/playground/assistants-threads.md)
- [Playground Overview](https://langtail.com/docs/concepts-and-examples/playground/overview.md)
- [Prompt Templating](https://langtail.com/docs/concepts-and-examples/playground/templating.md): Use Handlebars to add conditions to your templates
- [Tools](https://langtail.com/docs/concepts-and-examples/playground/tools.md): Use Tools to test if your functions and external APIs are used correctly
- [Variables](https://langtail.com/docs/concepts-and-examples/playground/variables.md)
- [Integrate via Langtail SDK](https://langtail.com/docs/concepts-and-examples/proxy/integrate-sdk.md)
- [Integrate via Langchain](https://langtail.com/docs/concepts-and-examples/proxy/langchain.md)
- [Integrate via OpenAI library](https://langtail.com/docs/concepts-and-examples/proxy/openai.md)
- [Integrate via REST API](https://langtail.com/docs/concepts-and-examples/proxy/rest.md)
- [TypeScript SDK](https://langtail.com/docs/concepts-and-examples/sdks/typescript.md)
- [Advanced tests](https://langtail.com/docs/concepts-and-examples/tests/adv-tests.md): Utilize Configs to evaluate your prompts across diverse scenarios and observe the outcomes.
- [Basic Tests](https://langtail.com/docs/concepts-and-examples/tests/basic-tests.md)
- [Tests Overview](https://langtail.com/docs/concepts-and-examples/tests/overview.md)
- [Getting started](https://langtail.com/docs/introduction/getting-started.md)
- [Main concepts in Langtail](https://langtail.com/docs/introduction/main-concepts-in-langtail.md)
- [What is Langtail?](https://langtail.com/docs/introduction/what-is-langtail.md)
- [Deepnote | Case study](https://langtail.com/docs/media-presentations/deepnote-case.md)
- [Make Chatbots Better | WebExpo Talk](https://langtail.com/docs/media-presentations/web-expo.md): Want to build better chatbots?  We feel you.
- [Changelog](https://langtail.com/docs/support/changelog.md)
- [Get Help](https://langtail.com/docs/support/get-help.md)

## OpenAPI Specs

- [openapi](https://langtail.com/docs/api-reference/openapi.json)

## Optional

- [Community](https://discord.com/invite/PpNqWYdBCS)