Send chat message (synchronous)

POST

agent

chat

{id}

message

curl -X POST "https://api.case.dev/agent/v1/chat/%3Cstring%3E/message" \
  -H "Authorization: Bearer $CASEDEV_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "parts": [
    {
      "type": "text",
      "text": "<string>"
    }
  ]
}'

{
  "statusCode": 123,
  "statusMessage": "<string>",
  "message": "<string>"
}

Authorizations

Authorization

string

header

required

API key starting with sk_case_

Path Parameters

string

required

Chat session ID

Body

application/json

Message payload following the AI SDK UIMessage format. The body is passed through 1:1 to the underlying chat runtime session. Currently only text parts are supported.

parts

object[]

Message content parts. Currently only "text" type is supported. Additional types (e.g. file, image) may be added in future versions.

Show child attributes

Response

Upstream chat runtime response with per-turn usage metadata when available

Reply to agent questionAnswers a pending runtime question for the chat session bound to this agent chat.

⌘I

curl -X POST "https://api.case.dev/agent/v1/chat/%3Cstring%3E/message" \
  -H "Authorization: Bearer $CASEDEV_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "parts": [
    {
      "type": "text",
      "text": "<string>"
    }
  ]
}'

{
  "statusCode": 123,
  "statusMessage": "<string>",
  "message": "<string>"
}