Claude messages
Text
/v1/messages
Creates a Claude message response for text, multimodal input, and tool use.
POST
Claude messages
Documentation Index
Fetch the complete documentation index at: https://docs.ent.apigo.ai/llms.txt
Use this file to discover all available pages before exploring further.
Use this section for Claude-native message payloads, multi-turn context, multimodal input, and tool calling.
- Authenticate with
x-api-keyandanthropic-version systemis a top-level field rather than a message insidemessages[]messages[].contentuses content blocks and should not be flattened too early- Tool use requires explicit
tools, and later turns must send backtool_resultblocks
Authorizations
Headers
Anthropic API version header.
Example:
"2023-06-01"
Body
application/json
