GraphQL interview questions

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According to Postman’s 2023 State of the API Report, GraphQL has taken the place of SOAP as the third most popular API…

Best practices for API error handling

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Error handling is a crucial part of working with APIs. When an API encounters an issue, such as invalid input data or…

How to use GraphQL subscriptions

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In today’s digital landscape, where user expectations for real-time interactions continue to soar, GraphQL subscriptions provide a crucial link between conventional APIs…

How to implement a GraphQL mutation

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GraphQL mutations are operations that modify or change data on the server. While GraphQL queries are used to retrieve data, mutations allow…

What is a GraphQL query?

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A GraphQL query is a read operation that is used to request specific data from a GraphQL server. It allows clients to…

gRPC vs. GraphQL

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REST has long been the dominant architectural style for building APIs, but several other API protocols have gained prominence in recent years….

Highlights of GraphQL Day at Apidays Paris

The GraphQL community recently gathered in Paris for a significant event, GraphQL Day, which was part of the Apidays conference series that…

GraphQL vs. REST

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GraphQL and REST are two common architectural patterns for building APIs. REST APIs use standard HTTP methods to access resources through dedicated…

The evolving landscape of API protocols in 2023

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This is a guest post by Alex Xu, author of the System Design Interview book series. The API landscape is constantly evolving,…

Postman at GraphQLConf 2023

The GraphQL community recently gathered for GraphQLConf 2023 on September 19-21 in the San Francisco Bay Area. This groundbreaking conference brought together…

How to choose between REST vs. GraphQL vs. gRPC vs. SOAP

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To create the Postman Open Technologies Knowledge Base API, I’ve been following our team’s internal API design playbook, which covers the strategy,…

Building secure GraphQL APIs at the NDC Oslo 2023 conference

Last month, I was honored to speak at the prestigious NDC Oslo 2023 conference. This premier developer conference attracts experts and innovators…

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