New integration path
If this is your first Phaseo integration, follow these in order:- Quickstart: make one successful request.
- Authentication: store and send keys safely.
- Examples: copy request patterns into your app.
You can call
:free models without depositing credits. Paid models still require available wallet balance.Build app features
Use these guides when a basic request is already working and you are adding product behavior.Cookbook
Scenario-driven recipes for free routing, presets, async jobs, and coding-agent setup.
Routing and Fallbacks
Control provider order, failover behavior, and reliability tradeoffs.
Tool Calling
Implement function tools, safety checks, and stable tool loops.
Server Tools
Use Phaseo-operated datetime, web search, web fetch, and Advisor tools.
Structured Outputs
Use schemas for predictable machine-readable responses.
Streaming
Ship low-latency responses with SSE and production guardrails.
Prompt Caching
Reuse stable prompt context across Chat Completions, Responses, and Anthropic Messages.
Operate in production
Use these guides when traffic, reliability, security, and key lifecycle start to matter.Error Handling
Debug by status code, error shape, and retry strategy.
Gateway Rollout Checklists
Operational checklists for provider activation, async endpoints, metadata rollout, and validation hygiene.
Rate Limits
Plan for throughput and backoff under load.
Best Practices
Hardening checklist for reliability and safety.
Management API Keys
Automate key lifecycle and environment isolation.