Skip to main content
POST
/
v1
/
pathway
/
chat
/
create
Create Pathway Chat
curl --request POST \
  --url https://us.api.bland.ai/v1/pathway/chat/create \
  --header 'Content-Type: application/json' \
  --header 'authorization: <authorization>' \
  --data '
{
  "pathway_id": "<string>",
  "start_node_id": "<string>",
  "request_data": {},
  "use_candidate_model": true,
  "pathway_version": 123
}
'
{
  "data": {
    "chat_id": "9f8e7d6c-5b4a-3c2d-1e0f-a1b2c3d4e5f6",
    "message": "Chat instance created successfully",
    "variables": {
      "user_name": "John Doe",
      "account_id": "12345",
      "preference": "email"
    }
  },
  "errors": null
}

​
Headers

​
authorization
string
required
Your API key for authentication.

​
Body

​
pathway_id
string
required
Pathway ID of the pathway to create a chat instance for.
​
start_node_id
string
The start node ID of the pathway. If not provided, the pathway will start from the node marked as the start node in the pathway configuration.
​
request_data
object
Custom key-value data to initialize the pathway chat with. This object will be stored as the pathway’s initial variables and can be referenced within pathway nodes. The request_data must be a valid JSON object (not an array or null).This works the same as request_data in v1/calls where variables can be accessed using {{variable_name}} syntax within your pathway nodes.
{
  "user_name": "John Doe",
  "account_id": "12345",
  "preference": "email"
}
​
use_candidate_model
boolean
Whether to use the candidate model for this pathway chat. When enabled, the pathway will use an experimental model version for enhanced performance and capabilities.
​
pathway_version
number
The specific version number of the pathway to use for this chat instance. If not provided, the production version will be used.

​
Response

​
data
object
Contains the response data for the created pathway chat instance.
​
errors
null | array
Will be null on success. Contains error details if the request failed.
{
  "data": {
    "chat_id": "9f8e7d6c-5b4a-3c2d-1e0f-a1b2c3d4e5f6",
    "message": "Chat instance created successfully",
    "variables": {
      "user_name": "John Doe",
      "account_id": "12345",
      "preference": "email"
    }
  },
  "errors": null
}
Docs for agents: llms.txt