Fix broken URLs/links (#521)

Author: Paul-Cornell

api/legacy-api/aws.mdx renamed to api-reference/legacy-api/aws.mdx

@@ -314,7 +314,7 @@ For example, run one of the following, setting the following environment variabl
 - Set `UNSTRUCTURED_API_URL` to `http://`, followed by your load balancer's DNS name, followed by `/general/v0/general`.
 
   <Info>You can now use this value (`http://`, followed by your load balancer's DNS name, followed by `/general/v0/general`) in place of 
-  calling the [Unstructured Partition Endpoint](/api/partition/overview) URL as described elsewhere in the Unstructured API documentation.</Info>
+  calling the [Unstructured Partition Endpoint](/api-reference/partition/overview) URL as described elsewhere in the Unstructured API documentation.</Info>
 
 - Set `LOCAL_FILE_INPUT_DIR` to the path on your local machine to the files for the Unstructured API to process. If you do not have any input files available, you can download any of the ones from the [example-docs](https://github.com/Unstructured-IO/unstructured-ingest/tree/main/example-docs) folder in GitHub.
 - Set `LOCAL_FILE_OUTPUT_DIR` to the path on your local machine for Unstructured API to send the processed output in JSON format:

api/legacy-api/azure.mdx renamed to api-reference/legacy-api/azure.mdx

@@ -5,7 +5,7 @@ title: Free Unstructured API
 <Warning>
     The Free Unstructured API is in the process of deprecation by April 4, 2025. It is no longer supported and is not being actively updated. 
 
-    Unstructured recommends that you use the [Unstructured API](/api/overview) instead, which provides new users with 14 days of free usage at up to 1000 pages per day during that period.
+    Unstructured recommends that you use the [Unstructured API](/api-reference/overview) instead, which provides new users with 14 days of free usage at up to 1000 pages per day during that period.
 
     This page is not being actively updated. It might contain out-of-date information. This page is provided for legacy reference purposes only.
 </Warning>
@@ -32,7 +32,7 @@ The Free Unstructured API is designed for prototyping purposes, and not for prod
 * Users of the Free Unstructured API do not get their own dedicated infrastructure.
 * The data sent over the Free Unstructured API can be used for model training purposes, and other service improvements.
 
-If you require a production-ready API, consider using the [Unstructured API](/api/overview) instead.
+If you require a production-ready API, consider using the [Unstructured API](/api-reference/overview) instead.
 
 import SharedPagesBilling from '/snippets/general-shared-text/pages-billing.mdx';
 
@@ -55,7 +55,7 @@ To work with the Free Unstructured API by using the [Unstructured Ingest CLI](/i
 - Set the `UNSTRUCTURED_API_KEY` environment variable to your Free Unstructured API key.
 - Set the `UNSTRUCTURED_API_URL` environment variable to your Free Unstructured API URL, which is `https://api.unstructured.io/general/v0/general`
 
-- Have some compatible files on your local machine to be processed. [See the list of supported file types](/api/supported-file-types). If you do not have any files available, you can download some from the [example-docs](https://github.com/Unstructured-IO/unstructured-ingest/tree/main/example-docs) folder in the Unstructured repo on GitHub.
+- Have some compatible files on your local machine to be processed. [See the list of supported file types](/api-reference/supported-file-types). If you do not have any files available, you can download some from the [example-docs](https://github.com/Unstructured-IO/unstructured-ingest/tree/main/example-docs) folder in the Unstructured repo on GitHub.
 
 Now, use the CLI to call the API, replacing:
 
@@ -93,7 +93,7 @@ To work with Unstructured by using the [Unstructured Python library](/ingestion/
 
   [Get your API key and API URL](#get-started).
 
-- Have some compatible files on your local machine to be processed. [See the list of supported file types](/api/supported-file-types). If you do not have any files available, you can download some from the [example-docs](https://github.com/Unstructured-IO/unstructured-ingest/tree/main/example-docs) folder in the Unstructured repo on GitHub. If you do not have any files available, you can download some from the [example-docs](https://github.com/Unstructured-IO/unstructured-ingest/tree/main/example-docs) folder in the Unstructured repo on GitHub.
+- Have some compatible files on your local machine to be processed. [See the list of supported file types](/api-reference/supported-file-types). If you do not have any files available, you can download some from the [example-docs](https://github.com/Unstructured-IO/unstructured-ingest/tree/main/example-docs) folder in the Unstructured repo on GitHub. If you do not have any files available, you can download some from the [example-docs](https://github.com/Unstructured-IO/unstructured-ingest/tree/main/example-docs) folder in the Unstructured repo on GitHub.
 
 Now, use the CLI to call the API, replacing:
 

api/legacy-api/free-api.mdx renamed to api-reference/legacy-api/free-api.mdx

@@ -4,15 +4,15 @@ title: Overview
 
 Unstructured has deprecated the following APIs:
 
-- The [Free Unstructured API](/api/legacy-api/free-api) is in the process of deprecation by April 4, 2025. 
+- The [Free Unstructured API](/api-reference/legacy-api/free-api) is in the process of deprecation by April 4, 2025. 
   It is no longer supported and is not being actively updated. Unstructured recommends that you use the 
-  [Unstructured API](/api/overview) instead, which provides new users with 14 days of free usage at up to 
+  [Unstructured API](/api-reference/overview) instead, which provides new users with 14 days of free usage at up to 
   1000 pages per day during that period.
-- The [Unstructured API on AWS](/api/legacy-api/aws) is deprecated. It is no longer supported and is not being actively updated. 
+- The [Unstructured API on AWS](/api-reference/legacy-api/aws) is deprecated. It is no longer supported and is not being actively updated. 
   Unstructured is now available on the AWS Marketplace as a private offering. To explore supported options 
   for running Unstructured within your virtual private cloud (VPC), email Unstructured Sales at 
   [[email protected]](mailto:[email protected]).
-- The [Unstructured API on Azure](/api/legacy-api/azure) is deprecated. It is no longer supported and is not being actively updated. 
+- The [Unstructured API on Azure](/api-reference/legacy-api/azure) is deprecated. It is no longer supported and is not being actively updated. 
   Unstructured is now available on the AWS Marketplace as a private offering. To explore supported options 
   for running Unstructured within your virtual private cloud (VPC), email Unstructured Sales at 
   [[email protected]](mailto:[email protected]).

api/legacy-api/overview.mdx renamed to api-reference/legacy-api/overview.mdx

@@ -4,15 +4,15 @@ title: Overview
 
 The Unstructured API consists of two parts:
 
-- The [Unstructured Workflow Endpoint](/api/workflow/overview) enables a full range of partitioning, chunking, embedding, and 
+- The [Unstructured Workflow Endpoint](/api-reference/workflow/overview) enables a full range of partitioning, chunking, embedding, and 
   enrichment options for your files and data. It is designed to batch-process files and data in remote locations; send processed results to 
   various storage, databases, and vector stores; and use the latest and highest-performing models on the market today. It has built-in logic 
-  to deliver the highest quality results at the lowest cost. [Learn more](/api/workflow/overview).
-- The [Unstructured Partition Endpoint](/api/partition/overview) is intended for rapid prototyping of Unstructured's 
+  to deliver the highest quality results at the lowest cost. [Learn more](/api-reference/workflow/overview).
+- The [Unstructured Partition Endpoint](/api-reference/partition/overview) is intended for rapid prototyping of Unstructured's 
   various partitioning strategies, with limited support for chunking. It is designed to work only with processing of local files, one file 
-  at a time. Use the [Unstructured Workflow Endpoint](/api/workflow/overview) for production-level scenarios, file processing in 
+  at a time. Use the [Unstructured Workflow Endpoint](/api-reference/workflow/overview) for production-level scenarios, file processing in 
   batches, files and data in remote locations, generating embeddings, applying post-transform enrichments, using the latest and 
-  highest-performing models, and for the highest quality results at the lowest cost. [Learn more](/api/partition/overview).
+  highest-performing models, and for the highest quality results at the lowest cost. [Learn more](/api-reference/partition/overview).
 
 # Benefits over open source