OpenRouter API
openrouter.ai
Provides a single OpenAI-compatible API to route requests across many LLM providers and models.
The OpenRouter API API uses api key authentication; has freemium pricing; offers a free tier (Free plan: 25+ free models, 50 requests/day, 20 requests/minute); rate limits: Free users: 50 requests/day and 20 rpm; Pay-as-you-go (with $10+ credits): no limits on paid models, 1000 request limit on free models with 20 rpm; no platform-level limits for paid/enterprise. Verified 2026-07-13 with per-field source links.
Base URL
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no sourcePricing
Free tier (free models only); Pay-as-you-go with 5.5% platform fee, no markup on provider pricing, billed per token; Enterprise with volume commitments and contact sales
openrouter.ai ↗Rate limits
Free users: 50 requests/day and 20 rpm; Pay-as-you-go (with $10+ credits): no limits on paid models, 1000 request limit on free models with 20 rpm; no platform-level limits for paid/enterprise
openrouter.ai ↗OpenAPI spec
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no sourceMCP server
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