claude-api - Claude API - Structured Outputs and Error Prevention
Build with Claude Messages API using structured outputs for guaranteed JSON schema validation
Tags
Updated: 2026-02-09Capabilities
Typical Inputs
Typical Outputs
What this skill does
- create messages with structured outputs
- validate JSON schema compliance
- handle streaming SSE responses
- implement prompt caching
- manage tool use
- prevent rate limit errors
Inputs
- Anthropic API key
- JSON schema definitions
- prompt content
- model specifications
- tool definitions
- beta features list
Outputs
- validated JSON responses
- streaming message chunks
- cache usage metrics
- tool execution results
- structured outputs
Requirements
- @anthropic-ai/sdk v0.69.0+
- Claude 4.x models
- structured-outputs-2025-11-13 beta
- API authentication