FlowAPIGet API keyLANDING
Run Claude workflows through FlowAPI
FlowAPI gives Anthropic-compatible workflows users a stable API endpoint for production and developer workflows. Keep your existing client setup, change the base URL to FlowAPI, and route requests through supported model groups.Quick start
- Create a FlowAPI account and API key.
- Set the base URL to https://www.flowapi.online/v1.
- Choose a supported model for your key group.
- Send a small test request before moving production traffic.
API example
curl https://www.flowapi.online/v1/chat/completions \
-H "authorization: Bearer $FLOWAPI_KEY" \
-H "content-type: application/json" \
-d '{"model":"claude-sonnet-5","messages":[{"role":"user","content":"Hello from FlowAPI"}]}'FAQ
Does Anthropic-compatible workflows work with FlowAPI?
Yes. Anthropic-compatible workflows can use FlowAPI when it supports OpenAI-compatible API settings or custom base URLs.
Which models should I use for Anthropic-compatible workflows?
Start with claude-sonnet-5, claude-sonnet-4-6, claude-opus-4-8 and select the model that fits latency, context, and cost requirements.
Is FlowAPI OpenAI compatible?
Yes. Use https://www.flowapi.online/v1 as the base URL with your FlowAPI key.
Can I use existing SDKs?
Yes. Most OpenAI-compatible SDKs and tools work by changing the base URL and API key.
Where do I manage keys and usage?
Create keys, monitor usage, and view billing in the FlowAPI dashboard.