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How to connect Api2pdf to Claude

Connect Claude Web, Desktop and Cowork to Api2pdf MCP. Merge monthly invoices into one pdf, extract specific pages from a large pdf, and more using natural language, with authentication handled for you.

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Api2Pdf is a REST API for generating PDFs from HTML, URLs, and documents using powerful engines like wkhtmltopdf and Headless Chrome. It streamlines document conversion and automation for developers and businesses.

10 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Api2pdf account to Claude via Composio Connect, enabling it to merge monthly invoices into one PDF, extract specific pages from a large PDF, add custom header and footer to document, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate Api2pdf with

OpenAI Agents SDKClaude Agent SDKClaude CodeCodexOpenClawHermesAtomic AgentGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAIPydantic AIAutoGen

Connecting Api2pdf to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Api2pdf account

Back in Claude, ask it to connect to Api2pdf or give it any Api2pdf-related task.

For example, ask Claude to:

  • "Merge monthly invoices into one PDF"
  • "Extract specific pages from a large PDF"
  • "Add custom header and footer to document"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Api2pdf account is ready to use.

What is the Api2pdf Claude Connector, and what's possible with it?

The Api2pdf MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Api2pdf account. It provides structured and secure access to powerful PDF generation and manipulation features, so your agent can generate PDFs from HTML or URLs, merge or optimize documents, extract or reorder pages, and more—automatically and on your behalf.

  • PDF generation from web content: Instruct your agent to convert HTML or URLs into high-quality PDFs using engines like wkhtmltopdf or Headless Chrome.
  • Merge and optimize PDFs: Have your agent combine multiple PDFs into a single file or optimize existing documents to reduce file size without sacrificing quality.
  • Advanced PDF manipulation: Direct your agent to extract specific pages, reorder existing pages, or add custom headers and footers for consistent branding or page numbering.
  • Barcode and QR code generation: Let your agent instantly create barcode or QR code images from any text value, ready to embed in documents or use elsewhere.
  • Document conversion and preview: Ask your agent to convert PDFs to HTML with LibreOffice or generate thumbnail previews for quick visual reference.

Troubleshooting

1. Why does Claude not use the Composio connector for Api2pdf?

The connector can show as connected, but Claude must use it in each Api2pdf conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Api2pdf again.

2. Why does Claude show an MCP server error before Api2pdf connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Api2pdf.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Api2pdf.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Api2pdf authorization link not work?

The Composio connector is one server. Your Api2pdf account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Api2pdf connection.
  • Composio creates a fresh Api2pdf authorization link.
  • Open that link in your browser and finish the Api2pdf sign-in.

4. Why do Api2pdf actions fail after they worked before?

The Api2pdf connection can expire or lose permission.

  • Ask Claude to inspect the Api2pdf connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Api2pdf account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Api2pdf.
  • If the action still fails with a permission error, check that the connected account has that permission in Api2pdf itself.

5. How do I switch to a different Api2pdf account?

Claude can manage the Api2pdf connection for you.

  • Ask Claude to disconnect or delete the current Api2pdf account.
  • Ask Claude to connect Api2pdf again.
  • Open the new Composio authorization link for Api2pdf.
  • Sign in with the other Api2pdf account in the browser.
  • After the account connects, ask Claude to retry the Api2pdf task.

6. Why is my Api2pdf connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Api2pdf connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Api2pdf tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Api2pdf.
TOOLS

Supported Tools

Every Api2pdf action and event your agent gets out of the box.

Add Header Footer

Convert HTML to PDF with customizable headers and footers using Headless Chrome.

Check API Status

Tool to check the health status of the API2PDF service.

Delete PDF

Delete a previously generated PDF from API2PDF storage by its response ID.

Extract PDF Pages

Tool to extract specific pages from a PDF document.

LibreOffice PDF to HTML

Tool to convert a PDF document to HTML using LibreOffice.

LibreOffice Thumbnail

Tool to generate a thumbnail image of a document using LibreOffice.

Merge PDFs

Merge multiple PDF documents into a single PDF file.

Optimize PDF

Tool to optimize a PDF document to reduce file size while maintaining quality.

Reorder PDF Pages

Reorder pages of a PDF document by specifying a new page sequence.

Generate Barcode or QR Code

Tool to generate barcodes or QR codes using Zebra Crossing (ZXING).

FRAMEWORKS

How to build Api2pdf MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Api2pdf MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Api2pdf MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Api2pdf MCP with Claude Code

Codex logo

Codex

Use Api2pdf MCP with Codex

OpenClaw logo

OpenClaw

Use Api2pdf MCP with OpenClaw

Hermes logo

Hermes

Use Api2pdf MCP with Hermes

Atomic Agent logo

Atomic Agent

Use Api2pdf MCP with Atomic Agent

Google ADK logo

Google ADK

Use Api2pdf MCP with Google ADK

LangChain logo

LangChain

Use Api2pdf MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Api2pdf MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Api2pdf MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Api2pdf MCP with LlamaIndex

CrewAI logo

CrewAI

Use Api2pdf MCP with CrewAI

Pydantic AI logo

Pydantic AI

Use Api2pdf MCP with Pydantic AI

AutoGen logo

AutoGen

Use Api2pdf MCP with AutoGen

FAQ

Frequently asked questions

With a standalone Api2pdf MCP server, the agents and LLMs can only access a fixed set of Api2pdf tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Api2pdf and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Api2pdf tools.

Yes, absolutely. You can configure which Api2pdf scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Api2pdf data and credentials are handled as safely as possible.

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