> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tktchurch.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Newsletter

> Get details of a specific newsletter

<Note>
  This endpoint requires authentication and the `readNewsletter` permission.
</Note>

### Path Parameters

<ParamField path="newsletterId" type="string" required>
  The UUID of the newsletter to retrieve
</ParamField>

### Response

<ResponseField name="id" type="string">
  Unique identifier for the newsletter (UUID)
</ResponseField>

<ResponseField name="title" type="string">
  Newsletter title
</ResponseField>

<ResponseField name="content" type="string">
  Newsletter content
</ResponseField>

<ResponseField name="image" type="object" required={false}>
  Uploaded image file information

  <Expandable title="Image Object">
    <ResponseField name="id" type="string">
      File ID
    </ResponseField>

    <ResponseField name="url" type="string">
      File URL
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="imageUrl" type="string" required={false}>
  External image URL if not using uploaded file
</ResponseField>

<ResponseField name="pdf" type="object" required={false}>
  Uploaded PDF file information

  <Expandable title="PDF Object">
    <ResponseField name="id" type="string">
      File ID
    </ResponseField>

    <ResponseField name="url" type="string">
      File URL
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="pdfUrl" type="string" required={false}>
  External PDF URL if not using uploaded file
</ResponseField>

<ResponseField name="hasPdf" type="boolean">
  Whether the newsletter has an associated PDF
</ResponseField>

<ResponseField name="status" type="string">
  Newsletter status. One of: `draft`, `scheduled`, `published`, `archived`
</ResponseField>

<ResponseField name="publishDate" type="string" required={false}>
  Scheduled or actual publication date (ISO 8601)
</ResponseField>

<ResponseField name="recipientCount" type="integer">
  Number of times the newsletter has been viewed/received
</ResponseField>

<ResponseField name="createdAt" type="string">
  Creation timestamp (ISO 8601)
</ResponseField>

<ResponseField name="updatedAt" type="string">
  Last update timestamp (ISO 8601)
</ResponseField>

<ResponseField name="createdBy" type="string">
  UUID of the user who created the newsletter
</ResponseField>

### Error Responses

<ResponseField name="error" type="object">
  Error details when the request fails

  <Expandable title="Error Object">
    <ResponseField name="status" type="integer">
      HTTP status code
    </ResponseField>

    <ResponseField name="reason" type="string">
      Error message explaining why the request failed
    </ResponseField>
  </Expandable>
</ResponseField>

<Note>
  Common error cases:

  * 400 Bad Request: Invalid newsletter ID format
  * 401 Unauthorized: Missing or invalid access token
  * 403 Forbidden: Missing required permission
  * 404 Not Found: Newsletter not found
</Note>

<RequestExample>
  ```bash cURL theme={null}
  curl -X GET "https://api.tktchurch.com/v1/newsletters/123e4567-e89b-12d3-a456-426614174000" \
    -H "Authorization: Bearer eyJhbGciOiJIUzI1NiIs..."
  ```

  ```javascript JavaScript theme={null}
  const getNewsletter = async (accessToken, newsletterId) => {
    const response = await fetch(
      `https://api.tktchurch.com/v1/newsletters/${newsletterId}`,
      {
        headers: {
          'Authorization': `Bearer ${accessToken}`
        }
      }
    );

    if (!response.ok) {
      const error = await response.json();
      throw new Error(error.error.reason);
    }

    return response.json();
  };

  // Usage
  try {
    const newsletter = await getNewsletter(
      'eyJhbGciOiJIUzI1NiIs...',
      '123e4567-e89b-12d3-a456-426614174000'
    );
    console.log('Newsletter:', newsletter);
  } catch (error) {
    console.error('Failed to get newsletter:', error.message);
  }
  ```

  ```swift Swift theme={null}
  func getNewsletter(accessToken: String, newsletterId: UUID) async throws -> Newsletter {
      var urlRequest = URLRequest(url: URL(string: "https://api.tktchurch.com/v1/newsletters/\(newsletterId)")!)
      urlRequest.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
      
      let (data, response) = try await URLSession.shared.data(for: urlRequest)
      guard let httpResponse = response as? HTTPURLResponse else {
          throw URLError(.badServerResponse)
      }
      
      if httpResponse.statusCode != 200 {
          let error = try JSONDecoder().decode(ErrorResponse.self, from: data)
          throw error
      }
      
      return try JSONDecoder().decode(Newsletter.self, from: data)
  }

  // Usage
  do {
      let newsletter = try await getNewsletter(
          accessToken: "eyJhbGciOiJIUzI1NiIs...",
          newsletterId: UUID(uuidString: "123e4567-e89b-12d3-a456-426614174000")!
      )
      print("Newsletter:", newsletter)
  } catch {
      print("Failed to get newsletter:", error.localizedDescription)
  }
  ```

  ```kotlin Kotlin theme={null}
  class NewsletterService(private val client: OkHttpClient) {
      suspend fun getNewsletter(accessToken: String, newsletterId: String): Newsletter {
          val request = Request.Builder()
              .url("https://api.tktchurch.com/v1/newsletters/$newsletterId")
              .header("Authorization", "Bearer $accessToken")
              .build()

          client.newCall(request).execute().use { response ->
              if (!response.isSuccessful) {
                  val error = response.body?.string()?.fromJson<ErrorResponse>()
                  throw Exception(error?.reason ?: "Failed to get newsletter")
              }
              
              return response.body?.string()?.fromJson<Newsletter>()
                  ?: throw Exception("Empty response")
          }
      }
  }

  // Usage
  try {
      val newsletter = newsletterService.getNewsletter(
          "eyJhbGciOiJIUzI1NiIs...",
          "123e4567-e89b-12d3-a456-426614174000"
      )
      println("Newsletter: $newsletter")
  } catch (e: Exception) {
      println("Failed to get newsletter: ${e.message}")
  }
  ```

  ```typescript React Native theme={null}
  import axios from 'axios';

  interface Newsletter {
    id: string;
    title: string;
    content: string;
    image?: {
      id: string;
      url: string;
    };
    imageUrl?: string;
    pdf?: {
      id: string;
      url: string;
    };
    pdfUrl?: string;
    hasPdf: boolean;
    status: 'draft' | 'scheduled' | 'published' | 'archived';
    publishDate?: string;
    recipientCount: number;
    createdAt: string;
    updatedAt: string;
    createdBy: string;
  }

  const getNewsletter = async (
    accessToken: string,
    newsletterId: string
  ): Promise<Newsletter> => {
    try {
      const response = await axios.get(
        `https://api.tktchurch.com/v1/newsletters/${newsletterId}`,
        {
          headers: {
            'Authorization': `Bearer ${accessToken}`
          },
        }
      );
      
      return response.data;
    } catch (error) {
      if (axios.isAxiosError(error)) {
        throw new Error(error.response?.data?.error?.reason || 'Failed to get newsletter');
      }
      throw error;
    }
  };

  // Usage
  try {
    const newsletter = await getNewsletter(
      'eyJhbGciOiJIUzI1NiIs...',
      '123e4567-e89b-12d3-a456-426614174000'
    );
    console.log('Newsletter:', newsletter);
  } catch (error) {
    console.error('Failed to get newsletter:', error.message);
  }
  ```
</RequestExample>

<ResponseExample>
  ```json 200 Success theme={null}
  {
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "title": "January Church Updates",
    "content": "Welcome to our first newsletter of 2024...",
    "image": {
      "id": "file-123",
      "url": "https://cdn.tktchurch.com/files/newsletter-image.jpg"
    },
    "imageUrl": null,
    "pdf": {
      "id": "file-456",
      "url": "https://cdn.tktchurch.com/files/newsletter.pdf"
    },
    "pdfUrl": null,
    "hasPdf": true,
    "status": "published",
    "publishDate": "2024-01-01T12:00:00Z",
    "recipientCount": 150,
    "createdAt": "2023-12-30T15:00:00Z",
    "updatedAt": "2024-01-01T12:00:00Z",
    "createdBy": "user-123e4567-e89b-12d3-a456-426614174000"
  }
  ```

  ```json 400 Bad Request theme={null}
  {
    "error": {
      "status": 400,
      "reason": "Invalid newsletter ID format"
    }
  }
  ```

  ```json 401 Unauthorized theme={null}
  {
    "error": {
      "status": 401,
      "reason": "Invalid or expired access token"
    }
  }
  ```

  ```json 403 Forbidden theme={null}
  {
    "error": {
      "status": 403,
      "reason": "Missing required permission: readNewsletter"
    }
  }
  ```

  ```json 404 Not Found theme={null}
  {
    "error": {
      "status": 404,
      "reason": "Newsletter not found"
    }
  }
  ```
</ResponseExample>