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PDF Form Fill Batch

Fill one PDF form template with an array of records and output one filled PDF per record (ZIP) or a merged PDF

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/pdf-form-fill-batch' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"templatePdf.ext","contentType":"application/octet-stream","size":12345}'

# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
  --data-binary @/path/to/file.ext

# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/en/api/tools/pdf-form-fill-batch' \
  -F 'templatePdf=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'recordsJson=[{"name":"Alice Zhang","course":"Advanced TypeScript","date":"2026-06-16"},{"name":"Bob Chen","course":"Go Fundamentals","date":"2026-06-16"},{"name":"Carol Lee","course":"Rust Systems","date":"2026-06-16"}]' \
  -F 'outputMode=zip' \
  -F 'nameField=name' \
  -F 'flattenEach=true'

© 2026 Elysia Tools. Developer documentation.

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API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP
POST https://api.elysiatools.com/en/api/tools/pdf-form-fill-batch

Parameters

NameTypeRequiredDescription
templatePdffileupload requiredYes—
recordsJsontextareaYesJSON array of objects. Each object fills one copy of the template.
outputModeselectNo—
nameFieldtextNoRecord field used to name each output PDF in ZIP mode
flattenEachcheckboxNoFlatten each filled form so it is non-editable
File-type parameters must be uploaded first via POST /upload/pdf-form-fill-batch, then the returned filePath is passed to the corresponding file field.

Response format

File result

JSON
{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json
{
  "mcpServers": {
    "elysiatools-pdf-form-fill-batch": {
      "name": "pdf-form-fill-batch",
      "description": "Fill one PDF form template with an array of records and output one filled PDF per record (ZIP) or a merged PDF",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=pdf-form-fill-batch",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "pdf-form-fill-batch",
    "arguments": {
  "templatePdf": "https://example.com/file.ext",
  "recordsJson": "[{\"name\":\"Alice Zhang\",\"course\":\"Advanced TypeScript\",\"date\":\"2026-06-16\"},{\"name\":\"Bob Chen\",\"course\":\"Go Fundamentals\",\"date\":\"2026-06-16\"},{\"name\":\"Carol Lee\",\"course\":\"Rust Systems\",\"date\":\"2026-06-16\"}]",
  "outputMode": "zip",
  "nameField": "name",
  "flattenEach": true
}
  }
}
Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).
File parameters accept a public file URL only (https://…). Local paths, data: URIs, and Base64 strings are not supported.

Questions or issues? Contact [email protected]

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