# PayPerFax Documentation

- [PayPerFax Documentation](https://payperfax.mintlify.app/index.md): Help center and user guide for the PayPerFax online fax service
- [Quick Start](https://payperfax.mintlify.app/getting-started/quick-start.md): Send your first fax in 3 simple steps
- [How It Works](https://payperfax.mintlify.app/getting-started/how-it-works.md): Understanding the PayPerFax process from start to finish
- [Step-by-Step Guide](https://payperfax.mintlify.app/sending-faxes/step-by-step-guide.md): Complete instructions for sending a fax with PayPerFax
- [Cover Pages](https://payperfax.mintlify.app/sending-faxes/cover-pages.md): How to create and use cover pages effectively
- [File Requirements](https://payperfax.mintlify.app/sending-faxes/file-requirements.md): Supported file formats, size limits, and technical specifications
- [Pricing & Payment](https://payperfax.mintlify.app/pricing/pricing.md): Cost structure and payment information for PayPerFax
- [Service Features](https://payperfax.mintlify.app/features/service-features.md): Complete overview of PayPerFax features and capabilities
- [Country Coverage](https://payperfax.mintlify.app/features/country-coverage.md): Send faxes to 130+ countries worldwide
- [Browser Extension](https://payperfax.mintlify.app/features/browser-extension.md): PayPerFax Tracker extension for convenient fax history access
- [Dropbox Integration](https://payperfax.mintlify.app/features/dropbox-integration.md): Send faxes directly from Dropbox without downloads
- [Google Drive Integration](https://payperfax.mintlify.app/features/google-drive-integration.md): Send faxes directly from Google Drive without downloads
- [Common Issues](https://payperfax.mintlify.app/troubleshooting/common-issues.md): Quick solutions to frequently encountered problems
- [Fax Marked as Sent But Not Received](https://payperfax.mintlify.app/troubleshooting/fax-not-received.md): Understanding why successful transmission doesn't always mean immediate receipt
- [Why Confirmations Look Low Quality](https://payperfax.mintlify.app/troubleshooting/low-quality-confirmations.md): Understanding fax resolution limitations and why confirmations appear pixelated
- [How to Resend a Fax](https://payperfax.mintlify.app/troubleshooting/resending-faxes.md): Steps to resend a failed or unsuccessful fax
- [Frequently Asked Questions](https://payperfax.mintlify.app/faq.md): Common questions about using PayPerFax
- [PayPerFax for AI assistants](https://payperfax.mintlify.app/agents.md): A plain-language page for an AI assistant that lands here. How to send a fax for the person you are helping.
- [The PayPerFax MCP server](https://payperfax.mintlify.app/fax-mcp.md): A remote MCP server with three tools, for AI apps that support a custom connector. The person pays through a link, in the browser.
- [Send a fax](https://payperfax.mintlify.app/api/send-a-fax.md): POST /api/fax: the fields, the two answers, and the errors.
- [Check the status](https://payperfax.mintlify.app/api/check-status.md): GET /api/fax/:id/status: status values, stage, and polling rules.
- [Fax a form to the IRS with an AI assistant](https://payperfax.mintlify.app/guides/fax-the-irs.md): A worked example: the AI assistant prepares the fax with the HTTP call, and the person pays through the link.

## OpenAPI Specs

- [payperfax-openapi](/api/payperfax-openapi.yaml)

## Optional

- [PayPerFax Home](https://payperfax.com)
- [Send a Fax](https://fax.payperfax.com)


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.