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POST
/
v1
/
replica
/
{id}
/
messages
Send Message
curl --request POST \
  --url https://api.tryreplicas.com/v1/replica/{id}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "<string>",
  "coding_agent": "claude",
  "chat_id": "<string>",
  "model": "<string>",
  "images": [
    {
      "type": "<string>",
      "source": {
        "type": "<string>",
        "media_type": "image/png",
        "data": "<string>"
      }
    }
  ],
  "plan_mode": true,
  "thinking_level": "low"
}
'
{
  "status": "sent",
  "message_id": "<string>",
  "position": 123,
  "chat_id": "<string>"
}

Documentation Index

Fetch the complete documentation index at: https://docs.replicas.dev/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

API key authentication. Obtain your API key from the Replicas dashboard under Settings > API Keys.

Path Parameters

​
id
string<uuid>
required

The unique identifier of the replica

Body

application/json

Request body for sending a message to a replica

​
message
string
required

Message to send to the coding agent

​
coding_agent
enum<string>

Coding agent to use

Available options:
claude,
codex
​
chat_id
string

Target a specific chat session

​
model
string

Model to use for this message

​
images
object[]

Images to attach to the message

​
plan_mode
boolean

Whether to run in plan mode (agent plans but does not execute)

​
thinking_level
enum<string>

Thinking/reasoning level. Controls how much effort the agent puts into reasoning. Falls back to provider default when omitted (Claude default: high, Codex default: medium).

Available options:
low,
medium,
high,
max

Response

Message accepted

Response after sending a message to a replica

​
status
enum<string>
required

Status of the message delivery

Available options:
sent,
queued,
waking
​
message_id
string | null
required

Unique identifier for the sent message

​
position
integer | null
required

Queue position if status is 'queued'

​
chat_id
string | null
required

ID of the chat the message was sent to