Overview
Some Paywint API endpoints—such as KYB verification, document submission, and compliance checks—require you to provide direct URLs to documents.These URLs must follow specific standards to ensure they are secure, accessible, and valid for automated processing. This section outlines all requirements for document URLs, including security rules, file guidelines, storage recommendations, and troubleshooting steps.
What This Section Covers
Basic Requirements
Core rules every document URL must follow, including HTTPS and accessibility.
Security Rules
Allowed protocols, network restrictions, and security validations applied.
File Requirements
Supported file types, maximum file size, and download behavior.
Cloud Storage Guidelines
How to generate direct download URLs from Google Drive, Dropbox, AWS S3, and more.
Troubleshooting
Common errors, causes, and recommended fixes.
Examples
Valid and invalid URL examples for quick reference.
Why URL Standards Matter
Paywint validates each document URL to ensure:- The file is safe and accessible
- The host is publicly reachable
- The URL resolves correctly
- The content meets size and type requirements
When You Need These Guidelines
These URL rules apply whenever you submit a document through Paywint, including:- KYB verification
- Uploading compliance documentation
- Business identity verification
- Proof-of-address checks
- Any endpoint that accepts a document URL
Next Steps
Choose a section to continue:- Start with Basic Requirements
- Or explore the entire URL Standards collection using the left sidebar navigation

