# Add Bates numbering to legal PDF documents

**Use case:** 

Stamp sequential Bates numbers such as SMITH-000001 onto every page of a batch of PDFs — for litigation discovery, deposition exhibits and court bundles. Choose the prefix, starting number, zero-padding, page position and font. Also produces plain page numbers with {n} and {total} tokens. Every file is processed in one run and one bad file never breaks the batch.

## Input

```json
{
  "operation": "pageNumbers",
  "files": [
    "https://www.irs.gov/pub/irs-pdf/f1040.pdf"
  ],
  "operationParams": {
    "customText": "SMITH-{n}",
    "zeroPad": 6,
    "position": 9,
    "startingNumber": 1,
    "fontSize": 10,
    "customMargin": "medium"
  },
  "outputFormat": "auto",
  "maxFileSizeMb": 100,
  "perFileTimeoutSecs": 120
}
```

## Output

```json
{
  "operation": {
    "label": "Operation",
    "format": "string"
  },
  "status": {
    "label": "Status",
    "format": "string"
  },
  "inputFile": {
    "label": "Input",
    "format": "string"
  },
  "outputFileUrl": {
    "label": "Output URL",
    "format": "string"
  },
  "pageCount": {
    "label": "Pages",
    "format": "integer"
  },
  "sizeBytes": {
    "label": "Size (bytes)",
    "format": "integer"
  },
  "errorMessage": {
    "label": "Error",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [PDF Batch Suite](https://apify.com/moonweil/pdf-batch-suite.md) with a specific input configuration. Visit the [Actor detail page](https://apify.com/moonweil/pdf-batch-suite.md) to learn more, explore other use cases, and run it yourself.


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This Task's input is already configured above — use it as-is rather than inventing a new one.

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For full API examples (JavaScript, Python, CLI, MCP, OpenAPI), see this Task's Actor page: https://apify.com/moonweil/pdf-batch-suite.md

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).