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What you get
OpenAI-compatible API
Drop-in replacement for
api.openai.com. Use any OpenAI SDK, point it at RouterLink, and call any provider.Anthropic-compatible API
Native
/v1/messages and /v1/messages/count_tokens. Works with the Anthropic SDK and Claude Code.Claude Code support
Use Claude Code with RouterLink credits — no Anthropic subscription required.
Per-key budgets & alerts
Hard-cap monthly spend per API key, with email alerts at 70 / 90 / 100%.
Build with the tools you already use
Claude Code
Two env vars and you’re routing Claude Code through RouterLink.
OpenAI SDK
Override
base_url — Python, Node, Go, .NET all work unchanged.Anthropic SDK
Native
/v1/messages with streaming, tool use, prompt caching, and Files API.LangChain & AI SDK
Use the OpenAI provider with our base URL and pick any model.
Run it your way
Streaming
Server-Sent Events on both surfaces — your existing parser keeps working.
Cross-provider routing
Same endpoint, different
model field — RouterLink dispatches upstream.Errors & rate limits
Stable error codes and per-key rate limits with
Retry-After headers.Status & support
Live operational status and incident history.