📢 FAPI 2.0 Documentation Now Live — Migration Required by 31 Dec 2026
Singpass Developer Docs
Singpass Developer Docs
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Singpass Developer Docs
  • Legacy Myinfo v3/v4
  • Data Catalog
  • Key Principles
    • Myinfo v4
      • Difference between v3 and v4
      • Technical Guidelines
      • Technical Concepts
        • OAuth 2.1 Concepts
        • Proof of Key Code Exchange (PKCE)
        • JSON Web Token (JWT)
        • Client Assertions
        • JSON Web Key Store (JWKS)
        • Demonstration of Proof-of-Possession (DPoP)
      • API Specifications
      • Tutorials
      • Resources
      • FAQ
    • Myinfo v3
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For the complete documentation index, see llms.txt. This page is also available as Markdown.
  1. (Legacy) Myinfo (v3/v4)
  2. Technical Specifications
  3. Myinfo v4

Technical Concepts

OAuth 2.1 ConceptsProof of Key Code Exchange (PKCE)JSON Web Token (JWT)Client AssertionsJSON Web Key Store (JWKS)Demonstration of Proof-of-Possession (DPoP)
PreviousTechnical GuidelinesNextOAuth 2.1 Concepts

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