PubNub Guides
![SDK vs API copy.jpg SDK vs API copy.jpg](https://www.pubnub.com/cdn/3prze68gbwl1/6R8UtRGpBZeEyjiyNJRW5w/eec426bbd8e6b81ac780657eca2487e2/SDK_vs_API_copy.jpg?w=360&h=200&fit=)
SDK vs API
SDK and API are often used interchangeably in software development, but they refer to different concepts with distinct roles and purposes
Webhook vs API
The difference API vs Webhook is the direction communication flow: APIs require client-initiated requests, while webhooks are server-initiated
![API Integration.jpeg API Integration.jpeg](https://www.pubnub.com/cdn/3prze68gbwl1/72kYAvDfd3MxMOeuIK89dM/91c2a57798ab1ac38f7a82258e49f4e7/API_Integration.jpeg?w=360&h=200&fit=)
What is API integration?
API integration is connecting different software systems or applications through their Programming Interfaces to communicate and share data
What is an API Key?
An API key acts as a secret code that authorizes developers to access and use certain features or services an API provides.
What is WebTransport?
WebTransport is a web standard that allows developers to build real-time messaging functionality into apps with improved scalability & security.
What is IoT Edge Computing?
IoT edge computing processes data closer to where it's generated, reducing latency and enhancing efficiency by decentralizing computational tasks
![Blog_Header_Image_800x348_Latency..jpg Blog_Header_Image_800x348_Latency..jpg](https://www.pubnub.com/cdn/3prze68gbwl1/7l2z8f1NSMWHTftuOUgwzz/2f72b3f5f0f4e3c32ebf349c3f9a2ac7/Blog_Header_Image_800x348_Latency..jpg?w=360&h=200&fit=)
What is low latency? And why is latency important?
This guide covers low latency (ping) and other measurements of network performance, how to reduce web latency, and the optimization benefits
![What-is-Geohashing-(800x348).png What-is-Geohashing-(800x348).png](https://www.pubnub.com/cdn/3prze68gbwl1/7waIPVeQVqBFleePVfaJ8o/fa926f40f15765b7550fe0c667f80ffd/What-is-Geohashing-_800x348_.png?w=360&h=200&fit=)
What is Geohashing?
Geohashing is a geocoding method used to encode geographic coordinates into digits and letters delineating an area on a map.
![What is Supply Chain Resiliency? What is Supply Chain Resiliency?](https://www.pubnub.com/cdn/3prze68gbwl1/77HCYbshgD64cEST9d7mkJ/ac380ed3c7d6386bf82cfbcb584e758b/Supply_Chain_Resilience-_Guide.png?w=360&h=200&fit=)
Supply Chain Resilience
Supply chain resilience is withstanding and recovering from disruptions such as geopolitical unrest, natural disasters, or economic downturns.
Showing 1 to 9 of 73 results