### Packages API

Source: https://api.govinfo.gov/docs/index

Return content and metadata for individual documents.

```APIDOC
## GET /packages/{packageId}/summary

### Description
Return a JSON summary for a specified package.

### Method
GET

### Endpoint
/packages/{packageId}/summary

### Parameters
#### Path Parameters
- **packageId** (string) - Required - The unique identifier for the package.

### Response
#### Success Response (200)
- **summary** (object) - A summary of the package.

#### Response Example
```json
{
  "summary": {
    "title": "Example Package Title",
    "packageId": "pkg123"
  }
}
```

## GET /packages/{packageId}/granules

### Description
Get a list of granules associated with a package.

### Method
GET

### Endpoint
/packages/{packageId}/granules

### Parameters
#### Path Parameters
- **packageId** (string) - Required - The unique identifier for the package.

### Response
#### Success Response (200)
- **granules** (array) - A list of granules within the package.

#### Response Example
```json
{
  "granules": [
    {
      "granuleId": "granule456",
      "title": "Example Granule"
    }
  ]
}
```

## GET /packages/{packageId}/granules/{granuleId}/summary

### Description
Return a JSON summary for a specified granule.

### Method
GET

### Endpoint
/packages/{packageId}/granules/{granuleId}/summary

### Parameters
#### Path Parameters
- **packageId** (string) - Required - The unique identifier for the package.
- **granuleId** (string) - Required - The unique identifier for the granule.

### Response
#### Success Response (200)
- **summary** (object) - A summary of the granule.

#### Response Example
```json
{
  "summary": {
    "title": "Example Granule Title",
    "granuleId": "granule456"
  }
}
```
```

--------------------------------

### Search Documents

Source: https://api.govinfo.gov/docs/index

Discover documents on GovInfo using search queries and field operators available in the GovInfo UI.

```APIDOC
## POST /search

### Description
Discover documents on GovInfo using search queries and field operators available in the GovInfo UI.

### Method
POST

### Endpoint
/search

### Parameters
#### Request Body
- **query** (string) - Required - The search query string.
- **fields** (object) - Optional - Field operators for refining the search.

### Request Example
```json
{
  "query": "climate change",
  "fields": {
    "publication_date": ">=2023-01-01"
  }
}
```

### Response
#### Success Response (200)
- **results** (array) - A list of documents matching the search criteria.
- **count** (integer) - The total number of documents found.

#### Response Example
```json
{
  "results": [
    {
      "packageId": "//www.govinfo.gov/content/pkg/CPRT-2023report/pdf/CPRT-2023report.pdf",
      "title": "2023 Climate Change Report"
    }
  ],
  "count": 1
}
```
```

--------------------------------

### Collections API

Source: https://api.govinfo.gov/docs/index

Discover new and updated documents based on GovInfo lastModified date/time.

```APIDOC
## GET /collections

### Description
Request a list of collections. Response includes collectionCode, collectionName, package, and granule counts.

### Method
GET

### Endpoint
/collections

### Response
#### Success Response (200)
- **collections** (array) - A list of available collections.

#### Response Example
```json
{
  "collections": [
    {
      "collectionCode": "CFR",
      "collectionName": "Code of Federal Regulations",
      "packageCount": 15000,
      "granuleCount": 50000
    }
  ]
}
```

## GET /collections/{collection}/{lastModifiedStartDate}

### Description
Retrieve new or updated packages for a collection given a start date and time.

### Method
GET

### Endpoint
/collections/{collection}/{lastModifiedStartDate}

### Parameters
#### Path Parameters
- **collection** (string) - Required - The identifier for the collection.
- **lastModifiedStartDate** (string) - Required - The start date and time for filtering modified packages (YYYY-MM-DDTHH:MM:SSZ).

### Response
#### Success Response (200)
- **packages** (array) - A list of updated packages.

#### Response Example
```json
{
  "packages": [
    {
      "packageId": "//www.govinfo.gov/content/pkg/CFR-2023...",
      "title": "Updated CFR Volume"
    }
  ]
}
```

## GET /collections/{collection}/{lastModifiedStartDate}/{lastModifiedEndDate}

### Description
Retrieve new or updated packages for a collection within a date range.

### Method
GET

### Endpoint
/collections/{collection}/{lastModifiedStartDate}/{lastModifiedEndDate}

### Parameters
#### Path Parameters
- **collection** (string) - Required - The identifier for the collection.
- **lastModifiedStartDate** (string) - Required - The start date and time for filtering modified packages (YYYY-MM-DDTHH:MM:SSZ).
- **lastModifiedEndDate** (string) - Required - The end date and time for filtering modified packages (YYYY-MM-DDTHH:MM:SSZ).

### Response
#### Success Response (200)
- **packages** (array) - A list of updated packages within the specified date range.

#### Response Example
```json
{
  "packages": [
    {
      "packageId": "//www.govinfo.gov/content/pkg/CFR-2023...",
      "title": "Updated CFR Volume"
    }
  ]
}
```
```

--------------------------------

### Related Documents API

Source: https://api.govinfo.gov/docs/index

Discover relationships between documents available on GovInfo.

```APIDOC
## GET /related/{accessId}

### Description
Get a list of relationships for a given access ID.

### Method
GET

### Endpoint
/related/{accessId}

### Parameters
#### Path Parameters
- **accessId** (string) - Required - The unique identifier for the document.

### Response
#### Success Response (200)
- **relatedDocuments** (array) - A list of related documents.

#### Response Example
```json
{
  "relatedDocuments": [
    {
      "accessId": "relatedDoc101",
      "title": "Related Document Example"
    }
  ]
}
```

## GET /related/{accessId}/{collection}

### Description
Get a list of relationships for a given access ID within a specific collection.

### Method
GET

### Endpoint
/related/{accessId}/{collection}

### Parameters
#### Path Parameters
- **accessId** (string) - Required - The unique identifier for the document.
- **collection** (string) - Required - The identifier for the collection.

### Response
#### Success Response (200)
- **relatedDocuments** (array) - A list of related documents within the specified collection.

#### Response Example
```json
{
  "relatedDocuments": [
    {
      "accessId": "relatedDoc101",
      "title": "Related Document Example in Collection"
    }
  ]
}
```
```

--------------------------------

### Published Documents API

Source: https://api.govinfo.gov/docs/index

Discover documents on GovInfo based on official publication date.

```APIDOC
## GET /published/{dateIssuedStartDate}

### Description
Retrieve a list of packages based on the `dateIssued` value.

### Method
GET

### Endpoint
/published/{dateIssuedStartDate}

### Parameters
#### Path Parameters
- **dateIssuedStartDate** (string) - Required - The start date for filtering packages by `dateIssued` (YYYY-MM-DD).

### Response
#### Success Response (200)
- **packages** (array) - A list of packages published on or after the specified date.

#### Response Example
```json
{
  "packages": [
    {
      "packageId": "pkg789",
      "title": "Document Published Today"
    }
  ]
}
```

## GET /published/{dateIssuedStartDate}/{dateIssuedEndDate}

### Description
Retrieve a list of packages based on the `dateIssued` value within a date range.

### Method
GET

### Endpoint
/published/{dateIssuedStartDate}/{dateIssuedEndDate}

### Parameters
#### Path Parameters
- **dateIssuedStartDate** (string) - Required - The start date for filtering packages by `dateIssued` (YYYY-MM-DD).
- **dateIssuedEndDate** (string) - Required - The end date for filtering packages by `dateIssued` (YYYY-MM-DD).

### Response
#### Success Response (200)
- **packages** (array) - A list of packages published within the specified date range.

#### Response Example
```json
{
  "packages": [
    {
      "packageId": "pkg789",
      "title": "Document Published in Range"
    }
  ]
}
```
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.