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Version: Beta

GraphQL vs REST API

When getting started with the AlphaSense API Suite, our main architecture is based on GraphQL and we have a few additional REST APIs. We have included the differences between the two and the reasoning for why our Search API is built off of GraphQL. GraphQL allows you to request only the specific data you need in a single query, reducing network traffic and making it more efficient to fetch data. REST APIs require multiple requests to fetch all the required data, but are easier to evolve over time and have established caching mechanisms for better performance. Consider the specific needs of your project when deciding which API to use.

Customizable Data Fetching​

GraphQL allows clients to request only the specific data they need, reducing the amount of data sent over the network and making it faster and more efficient to fetch data. With REST APIs, you often need to make multiple requests to fetch all the required data.

Flexible Request Structure​

With GraphQL, clients can define the structure of the data they need in a query, which makes it easy to customize the data returned by the server. With REST APIs, the server defines the structure of the data returned by each endpoint.

Strongly Typed Schema​

GraphQL APIs have a strongly typed schema, which makes it easy to understand the structure of the data being returned by the server and helps prevent errors. REST APIs often have less structure around data types, which can make it harder to understand the data returned by the server.

Adaptable to Changes​

GraphQL has a strict schema that can help prevent breaking changes to the API. However, it's also flexible enough to allow for changes over time without breaking existing clients. REST APIs are often easier to evolve but can be more brittle to changes.

Overall, GraphQL offers many advantages over REST APIs for clients, especially for those working with large, complex datasets or having specific data requirements. While REST APIs may be simpler in some cases, GraphQL's flexibility, efficiency, and adaptability make it a strong choice for many use cases.