File.io
VerifiedSimple anonymous file sharing over HTTPS with no authentication required.
What is File.io?
File.io is a file-sharing API that accepts uploads and returns shareable links without requiring user accounts or keys.
It is useful for developers who need quick, temporary file hosting in applications where anonymity and minimal setup are priorities.
What you can build with File.io
Temporary file sharing in web apps
Embed quick uploads so users can send documents or images and receive shareable links without any backend storage setup.
Scripted log or report distribution
Automate uploads of build logs, test results, or CSV exports from CI pipelines and share the resulting URLs via chat or email.
Mobile or desktop app file handoff
Let apps generate one-time links for screenshots, crash dumps, or user-generated content that recipients can download directly.
Get started with File.io
- 1Read the File.io documentation to locate the upload endpoint
- 2Prepare the file as multipart/form-data in your request
- 3Issue a POST request over HTTPS with no authentication headers
- 4Parse the JSON response to extract the returned file URL
- 5Store or share the link in your application or script
File.io: pros & cons
Pros
- +No authentication required
- +HTTPS encryption for all transfers
- +Anonymous uploads simplify integration
- +Minimal setup for rapid prototyping
Cons
- –No account means no file management or deletion
- –Anonymous usage limits auditability
- –Service-dependent expiration or quotas may apply
Frequently asked questions
File.io is an API for uploading and sharing files that works without authentication and uses HTTPS for anonymous, secure transfers.
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