Skip to main content
PUT
/
user
/
tools
/
{id}
Update mid call tool
curl --request PUT \
  --url https://app.autocalls.ai/api/user/tools/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "description": "<string>",
  "endpoint": "<string>",
  "method": "<string>",
  "timeout": 123,
  "headers": [
    {
      "name": "<string>",
      "value": "<string>"
    }
  ],
  "schema": [
    {
      "name": "<string>",
      "type": "<string>",
      "description": "<string>"
    }
  ]
}'
{
  "message": "Tool updated successfully",
  "data": {
    "id": 1,
    "name": "update_customer_info",
    "description": "Use this tool to update customer information in the system.",
    "endpoint": "https://api.yourcompany.com/customers/update",
    "method": "POST",
    "timeout": 15,
    "headers": [
      {
        "name": "Content-Type",
        "value": "application/json"
      }
    ],
    "schema": [
      {
        "name": "customer_name",
        "type": "string",
        "description": "Full name of the customer"
      },
      {
        "name": "customer_age",
        "type": "number",
        "description": "Age of the customer"
      },
      {
        "name": "newsletter_subscription",
        "type": "boolean",
        "description": "Whether customer wants to subscribe to newsletter"
      }
    ],
    "created_at": "2025-10-10T12:00:00.000000Z",
    "updated_at": "2025-10-10T14:30:00.000000Z"
  }
}
This endpoint allows you to update an existing mid call tool. All fields are optional - only provide the fields you want to update.

​
Path Parameters

​
id
integer
required
The unique identifier of the tool to update

​
Body Parameters

​
name
string
Tool name - must contain only lowercase letters and underscores, and start with a letter
​
description
string
Detailed explanation of when and how the AI should use this tool (max 255 characters)
​
endpoint
string
Valid URL of the API endpoint to call
​
method
string
HTTP method: GET, POST, PUT, PATCH, or DELETE
​
timeout
integer
Request timeout in seconds (1-30)
​
headers
array
HTTP headers to send with the request (replaces existing headers)
​
schema
array
Parameters schema (replaces existing schema)

​
Response fields

​
message
string
Success message
​
data
object
The updated tool object with all current values
{
  "message": "Tool updated successfully",
  "data": {
    "id": 1,
    "name": "update_customer_info",
    "description": "Use this tool to update customer information in the system.",
    "endpoint": "https://api.yourcompany.com/customers/update",
    "method": "POST",
    "timeout": 15,
    "headers": [
      {
        "name": "Content-Type",
        "value": "application/json"
      }
    ],
    "schema": [
      {
        "name": "customer_name",
        "type": "string",
        "description": "Full name of the customer"
      },
      {
        "name": "customer_age",
        "type": "number",
        "description": "Age of the customer"
      },
      {
        "name": "newsletter_subscription",
        "type": "boolean",
        "description": "Whether customer wants to subscribe to newsletter"
      }
    ],
    "created_at": "2025-10-10T12:00:00.000000Z",
    "updated_at": "2025-10-10T14:30:00.000000Z"
  }
}

​
Managing Tool Assignments

To attach or detach this tool from assistants, use the Assistant API:
  • Create Assistant - Use the tool_ids parameter to attach tools when creating an assistant
  • Update Assistant - Use the tool_ids parameter to manage which tools are assigned to an assistant
⌘I