Sign and request signatures on PDFs, MS Office documents

Amazon Web Services Request Signatures

Protocol specification and Node library designed to make building APIs that use HMAC signatures simple

When you send a request, you calculate the signature and insert the result into the signature header. When the platform receives the request, it performs the same signature calculation. If the resulting values do not match, the request is rejected.

HTTP Request Signing using RFC8941

This package facilitates the way of API Signing in Django projects.

Express middleware for creating APIs that implement hmac signatures

When you send a request, you calculate the signature and insert the result into the signature header. When the platform receives the request, it performs the same signature calculation. If the resulting values do not match, the request is rejected.

Objective-C iOS framework for interfacing with APIs that implement hmac signatures

Koa middleware for creating APIs that implement hmac signatures

Learn how to implement request signatures in PHP in order to authenticate and send requests to the Rapyd API. To do so, you’ll create a fresh PHP application that sends requests to the Rapyd API to retrieve the available payment methods for a specific country and displays the response in HTML. PHP powers applications like Facebook, Wordpress, Wikip

PHP library for interfacing with APIs that implement hmac signatures

Swift framework for interfacing with APIs that implement HMAC signatures