Guidewire Hello World

Overview

Execute your first API calls to Guidewire InsuranceSuite Cloud APIs - PolicyCenter, ClaimCenter, and BillingCenter.

Prerequisites

• Completed guidewire-install-auth setup
• Valid OAuth2 access token
• API role permissions for target endpoints

Instructions

Step 1: Instructions

TOKEN=$(curl -s -X POST "${GW_HUB_URL}/oauth/token" \

Step 2: Gosu Hello World (Server-Side)

// Gosu script to query PolicyCenter data

Step 3: API Response Structure

All Guidewire Cloud APIs follow this structure:

Step 4: Common Resource Patterns

// Get single resource

For detailed implementation code and configurations, load the reference guide: Read(${CLAUDE_SKILL_DIR}/references/implementation-guide.md)

Output

• Instructions
• Gosu Hello World (Server-Side)
• API Response Structure
• Common Resource Patterns

Error Handling

Error	Cause	Solution
404 Not Found	Invalid endpoint or resource ID	Verify endpoint path and ID format
400 Bad Request	Invalid request payload	Check required fields and data types
422 Unprocessable	Business rule violation	Review validation errors in response
409 Conflict	Concurrent modification	Retry with updated checksum
415 Unsupported Media	Wrong content type	Use application/json

Resources

• PolicyCenter Cloud API Reference
• ClaimCenter Cloud API Reference
• BillingCenter Cloud API Reference
• Cloud API Developer Guide

Next Steps

For local development workflow, see guidewire-local-dev-loop.

Examples

Basic usage: Apply guidewire hello world to a standard project setup with default configuration options.

Advanced scenario: Customize guidewire hello world for production environments with multiple constraints and team-specific requirements.