Scalars
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What is Scalars?
Scalars are "leaf" values in GraphQL representing primitive data types. Built-in scalars include String, Int, Float, Boolean, and ID for unique identifiers. Custom scalars can be defined for specific needs like dates, JSON, or large integers, extending the type system beyond basic primitives.
Free resources to learn Scalars
- Official docsGet started with Scalars in GraphQL
More in stage 6: Validation
Scalars: common questions
Can I learn Scalars in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Scalars in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Scalars tutorial for beginners?
It is lesson 28 of 65 in the free GraphQL roadmap, in stage 6, Validation. If you are new to GraphQL, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.