Gartner Research

Implementing Identity and Access Management Functions to Protect Web Services APIs

Published: 16 July 2014

ID: G00263828

Analyst(s): Mary Ruddy


Enterprises using Web APIs need to control access to the APIs and the resources they manage. IAM professionals must consider several factors when determining where to deploy identity functions for protecting APIs: Should they be deployed in IAM infrastructure, API gateway or other tools?

Table Of Contents

Problem Statement

The Gartner Approach

The Guidance Framework

  • Prework: Understand Your Requirements
    • Determine What Needs Protection
    • Coordinate With Cross-Functional Experts
    • Inventory Existing Infrastructure Tools
  • Select IAM Protocols
    • Review Drivers of Protocol Selection
    • Assess Protocol Translation Requirements
  • Select Authentication Approaches
    • Authentication During API Development
    • Authentication During Runtime
  • Select Authorization Approaches
    • Authorization for Coarse-Grained Access Control
    • Authorization for Fine-Grained Access
  • Select Deployment Approaches
    • Deploy IAM Infrastructure On-Premises or in the Cloud?
    • Deploy API Gateway On-Premises or in the Cloud?
    • Deploy API Portal Software On-Premises or in the Cloud?
  • Follow-Up

Risks and Pitfalls

  • Related Guidance

Gartner Recommended Reading

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