Say it like this
- Let's build a GraphQL API for this project.
- Our backend is running GraphQL queries efficiently.
- We switched to GraphQL to improve API performance.
Use it at work
Choosing APIs
- Should we use GraphQL or REST for the mobile app?
- With GraphQL, the client asks only for what it needs.
Debugging
- This GraphQL query is fetching too much data.
- The GraphQL resolver is slow.
Building
- I've added the new field to the GraphQL schema.
- Let's add pagination to the GraphQL query.
Don't say this
GraphQL is an API specification, not a database. It is a layer between clients and data sources.
Don't mix it up
| Term | What it is | Who writes or uses it | When |
|---|---|---|---|
| GraphQL | Client asks for exactly the data it needs | Developers | Flexible APIs |
| REST | Fixed endpoints per resource | Developers | Common APIs |
Practice
Try it
4 quick exercises
1. Your team needs to decide on an API technology. What do you say?
2. Our _______ allows clients to fetch exactly the data they need with a single request.
3. Which sentence uses GraphQL incorrectly?
4. Rewrite this in natural tech English: 'We are going to use the thing that lets you ask for only the fields you need in API calls, not all the fields, and it is called the query language for APIs.'
Say it out loud
Phrase 1 of 3
"Let's build a GraphQL API for this project."
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More about GraphQL
Real examples(3)
- in a standup
"We finished the GraphQL schema for the user service yesterday and started integration testing."
- in a code review
"This GraphQL mutation should validate the email before updating the user record."
- in a team meeting
"Switching to GraphQL reduced our frontend API calls by 40 percent, which improved page load times significantly."
More mistakes(2)
Handle with care. GraphQL is not a programming language or database; it is a query language and API specification. Do not confuse it with REST or treat it as a replacement for all backend architecture decisions.
- ✕GraphQL replaced our backend entirely.✓We implemented GraphQL to handle our API requests more efficiently.
GraphQL is a communication protocol; it works alongside backend infrastructure, not as a complete replacement.
- ✕Everybody prefers GraphQL over REST.✓GraphQL is advantageous for certain use cases, while REST remains suitable for others depending on project needs.
Neither technology is universally superior; the choice depends on specific requirements, team expertise, and project complexity.
Other forms(2)
- GraphQL noun
"GraphQL is the API technology we selected for our new microservice."
- GraphQL adjective
"Our GraphQL endpoint handles all client data requests."
Often used with(5)
- GraphQL API · The most common phrase; refers to an API built using GraphQL specification
- GraphQL query · A request made to a GraphQL API specifying exactly which fields to return
- GraphQL mutation · A GraphQL operation that modifies data on the server, similar to POST or PUT in REST
- GraphQL schema · The definition of all types, queries, and mutations available in a GraphQL API
- GraphQL resolver · A function that fetches or computes the value for a specific field in a GraphQL response
Similar words(2)
- query language · A general term; GraphQL is a specific query language for APIs
- API specification · GraphQL is one type of API specification; REST is another with different design principles
Opposites(2)
- REST API
- SOAP
Questions(5)
- What does GraphQL stand for?
- GraphQL stands for Graph Query Language. It is called Graph because it represents data as a graph structure where objects relate to each other through fields and connections.
- How is GraphQL different from REST?
- REST uses multiple fixed endpoints that return predefined data structures. GraphQL uses a single endpoint where clients specify exactly which fields they need. This means fewer requests and no over-fetching or under-fetching of data.
- Is GraphQL a programming language?
- No, GraphQL is a query language and API specification, not a programming language. You write GraphQL queries to request data, but you implement GraphQL servers using programming languages like JavaScript, Python, Java, or Go.
- When should we use GraphQL instead of REST?
- Use GraphQL when you have multiple clients with different data needs, want to reduce API calls, or need flexible querying. Use REST when your API is simple, cacheable, and clients need fixed data structures.
- Is GraphQL formal or informal?
- GraphQL is a neutral technical term used in both formal and casual tech conversations. You can use it in interviews, documentation, and daily team discussions without changing your tone.
