2023-07-21 20:52:03 +00:00
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---
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sidebar_position: 3
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---
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2023-03-27 02:49:46 +00:00
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# Interacting with APIs
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Lots of data and information is stored behind APIs.
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This page covers all resources available in LangChain for working with APIs.
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## Chains
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2023-04-01 19:48:16 +00:00
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If you are just getting started, and you have relatively simple apis, you should get started with chains.
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2023-03-27 02:49:46 +00:00
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Chains are a sequence of predetermined steps, so they are good to get started with as they give you more control and let you
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understand what is happening better.
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Update link in apis.mdx (#6812)
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If you're adding a new integration, please include:
1. a test for the integration, preferably unit tests that do not rely on
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2. an example notebook showing its use.
Maintainer responsibilities:
- General / Misc / if you don't know who to tag: @dev2049
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If no one reviews your PR within a few days, feel free to @-mention the
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See contribution guidelines for more information on how to write/run
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https://github.com/hwchase17/langchain/blob/master/.github/CONTRIBUTING.md
-->
2023-06-28 06:00:26 +00:00
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- [API Chain](/docs/modules/chains/popular/api.html)
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2023-03-27 02:49:46 +00:00
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## Agents
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Agents are more complex, and involve multiple queries to the LLM to understand what to do.
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The downside of agents are that you have less control. The upside is that they are more powerful,
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which allows you to use them on larger and more complex schemas.
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2023-06-20 21:06:50 +00:00
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- [OpenAPI Agent](/docs/modules/agents/toolkits/openapi.html)
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