# PDF Merger – Combine Multiple PDFs into One

> PDF Merger – Combine Multiple PDFs into One is a paid API for AI agents from x402-deployer.x402-deployer.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Merges 2 to 50 PDF files (supplied as URLs) into a single combined PDF, preserving bookmarks, powered by CloudConvert.

## Facts

- Endpoint: POST https://x402-deployer.x402-deployer.workers.dev/merge-pdf
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-deployer-x402-deployer-workers-dev-2839bca8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_b0WdHH8gVWALx7uJNZKNk

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-deployer-x402-deployer-workers-dev-2839bca8 -d '<json body>'
```

Example prompt: Can you merge these three PDF files into one document for me? Here are the URLs: https://example.com/doc1.pdf, https://example.com/doc2.pdf, and https://example.com/doc3.pdf — please preserve the bookmarks.

## When to prefer this

Use this endpoint when you need to combine 2–50 PDFs sourced from URLs into a single PDF document with bookmark preservation, especially in automated pipelines where CloudConvert's reliable rendering quality matters.

## Known failure modes

- Fewer than 2 or more than 50 PDF URLs provided — invalid input
- One or more PDF URLs are unreachable or return non-PDF content
- Malformed or password-protected PDF files cause merge failure
- Downstream CloudConvert API error or timeout
- Payment of $0.01 USDC not completed — request blocked

## How this service works

PDF merger / combine PDFs / concatenate PDF files / join multiple PDFs into one. 2-50 input PDFs from URLs to single PDF. Preserves bookmarks. CloudConvert engine.

## Output

A single merged PDF file combining all input PDFs in the specified order, with bookmarks preserved from the originals.

## Request schema (JSON Schema)

```json
{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "type": "object",
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "type": "string",
     "enum": [
      "POST"
     ]
    },
    "bodyType": {
     "type": "string",
     "enum": [
      "json",
      "form-data",
      "text"
     ]
    },
    "body": {
     "properties": {
      "pdf_urls": {
       "type": "array",
       "items": {
        "type": "string"
       },
       "description": "PDF URLs to merge in order. 2-50 URLs, each http/https."
      },
      "filename": {
       "type": "string",
       "description": "Output filename, must end in .pdf. Optional; defaults to \"merged.pdf\"."
      }
     },
     "required": [
      "pdf_urls"
     ]
    }
   },
   "required": [
    "type",
    "method",
    "bodyType",
    "body"
   ],
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "pdf_url": {
       "type": "string"
      },
      "merged_count": {
       "type": "integer"
      }
     }
    }
   },
   "required": [
    "type"
   ]
  }
 },
 "required": [
  "input"
 ]
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-deployer-x402-deployer-workers-dev-2839bca8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-deployer.x402-deployer.workers.dev](https://www.zero.xyz/host/x402-deployer.x402-deployer.workers.dev/llms.txt)