freeCodeCamp Curriculum GraphQL API

GraphQL Playground

Interactive GraphiQL interface to explore and test queries

GraphQL Endpoint

Send POST requests to /graphql

GitHub Repository

View source code, contribute, and report issues

The API provides access to the complete freeCodeCamp curriculum structure:

• 37 Superblocks
• 38 Chapters (v9 curriculum primitive)
• 217 Modules (v9 curriculum primitive)
• 779 Unique Blocks (deduplicated)
• 14,038 Challenges

Hierarchical Structure

The new v9 curriculum introduces a three-level hierarchy:

Superblock → Chapter → Module → Block

Query chapters and modules directly:

query {
  chapters(superblockDashedName: "full-stack-developer") {
    dashedName
    modules {
      dashedName
      blocks
    }
  }
}

Block Sharing

In v9 curriculum, blocks can be shared across multiple superblocks. The API automatically deduplicates blocks and tracks all parent superblocks:

query {
  block(dashedName: "learn-html-by-building-a-cat-photo-app") {
    title
    superblocks {
      dashedName
      title
    }
  }
}

Get Curriculum Overview

query {
  curriculum {
    superblocks
    certifications
  }
}

Query Modules by Chapter

query {
  modules(chapterDashedName: "html") {
    dashedName
    moduleType
    blockObjects {
      title
      challenges {
        id
        title
      }
    }
  }
}

Explore a Superblock (Legacy)

query {
  superblock(dashedName: "responsive-web-design") {
    title
    blocks
    challenges {
      id
      title
    }
  }
}