Create a message with beta features
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Create a message with beta features
with Anthropic · Model Inference
Use Anthropic: its Anthropic Messages API lets you create a message with beta features in a single step (POST /v1/messages?beta=true). capabilities.work can help you get signed up and connected.
- How do I call Claude with MCP servers connected directly in the request?
- Can I set fallback models or an output format on a message using the beta endpoint?
- Where do I turn on context management or a faster speed for a single message?
Say it to your AI assistant
- With the beta flag, have {model} reply to {messages} in up to {max_tokens} tokens using MCP servers {mcp_servers}.
- Send beta message {messages} to {model}, max {max_tokens} tokens, falling back to {fallbacks}.
- Get a {output_format} formatted reply from {model} to {messages} within {max_tokens} tokens via the beta endpoint.
For your developer
POST /v1/messages?beta=true in Anthropic Messages API. Full spec on APIs.io.