openrouter-api

Call OpenRouter's unified API to access models from multiple providers with routing and fallbacks.

1|Updated Dec 30, 2025
One-click install
npx skills add https://github.com/jrajasekera/claude-skills --skill openrouter-api
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: openrouter-api
Source: https://github.com/jrajasekera/claude-skills/tree/main/skills/openrouter-api
Command: npx skills add https://github.com/jrajasekera/claude-skills --skill openrouter-api

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Provides a single, unified API to access 400+ models from 70+ providers, simplifying multi-model integration and routing across providers.

Core Features & Use Cases

  • Model variant support, provider routing, and fallbacks
  • Tool calling, streaming, structured outputs, and plugin integrations
  • Use cases include building cross-provider chat apps, multi-model routing, and scalable API integrations.

Quick Start

Invoke the chat completion endpoint with your model and messages to begin a multi-provider chat workflow.

Frequently Asked Questions about openrouter-api

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I use a single API to access multiple LLM providers?▼

You can use a unified API to access hundreds of models from 70+ providers by invoking the chat completion endpoint with a model ID formatted as provider/model-name and your message array.

Can I integrate tool calling and streaming across different model providers?▼

Yes, the unified API supports tool calling, streaming, and structured outputs across diverse use cases, enabling you to build cross-provider chat apps with multi-model routing.

What is the best way to handle model fallbacks and provider routing?▼

Provider routing and fallbacks are handled by specifying optional provider preferences alongside your model ID, allowing scalable API integrations to automatically switch models if needed.

Does the multi-provider API support model variants and structured outputs?▼

Yes, the API supports model variants, structured outputs, and plugin integrations, allowing developers to specify exact model configurations and receive formatted data responses.

How do I query available models and endpoints for multi-provider routing?▼

You can query available models and endpoints using OpenRouter's dedicated endpoints, which list supported models and their specific routing capabilities across the 70+ providers.