Update mid call tool

Update an existing mid call tool

PUT /user/tools/{id}

Update mid call tool

cURL

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>",
  "body_format": "<string>",
  "timeout": 123,
  "headers": [
    {
      "name": "<string>",
      "value": "<string>"
    }
  ],
  "static_fields": [
    {
      "key": "<string>",
      "value": "<string>"
    }
  ],
  "schema": [
    {
      "name": "<string>",
      "type": "<string>",
      "description": "<string>",
      "required": true
    }
  ]
}
'

200 OK

{
  "message": "Tool updated successfully",
  "data": {
    "id": 1,
    "name": "update_customer_info",
    "description": "Use this tool to update customer information in the system.",
    "type": "http",
    "endpoint": "https://api.yourcompany.com/customers/update",
    "method": "POST",
    "body_format": "json",
    "timeout": 15,
    "headers": [
      {
        "name": "Content-Type",
        "value": "application/json"
      }
    ],
    "static_fields": [
      {
        "key": "source",
        "value": "autocalls"
      }
    ],
    "schema": [
      {
        "name": "customer_name",
        "type": "string",
        "description": "Full name of the customer",
        "required": true
      },
      {
        "name": "balance",
        "type": "float",
        "description": "Account balance as a decimal",
        "required": false
      },
      {
        "name": "newsletter_subscription",
        "type": "boolean",
        "description": "Whether customer wants to subscribe to newsletter",
        "required": false
      }
    ],
    "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

For tools linked to an Automation Platform flow, the endpoint, method, and body_format fields are ignored to protect the flow connection.

name · string

Tool name — letters, numbers and underscores, starting with a letter or underscore (max 64 characters)

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 (max 2048 characters)

method · string

HTTP method: GET, POST, PUT, PATCH, or DELETE

body_format · string

Request body encoding for write methods: json (default) or form

timeout · integer

Request timeout in seconds (1-30)

headers · array

HTTP headers to send with the request (replaces existing headers)

Show headers properties

name · string · required

Header name

value · string · required

Header value (supports {{variable}} substitution)

static_fields · array

Fixed key/value pairs always sent with the request (replaces existing static fields)

Show static_fields properties

key · string · required

Field key (max 64 chars)

value · string

Field value (max 2048 chars; supports {{variable}} substitution)

schema · array

Parameters schema (replaces existing schema)

Show schema properties

name · string · required

Parameter name (1-64 chars, starts with a letter or underscore)

type · string · required

Parameter type: string, number, float, or boolean

description · string · required

Parameter description (3-255 chars)

required · boolean

Whether the AI must collect this parameter (default false)

Response fields

message · string

Success message

data · object

The updated tool object with all current values

200 OK

{
  "message": "Tool updated successfully",
  "data": {
    "id": 1,
    "name": "update_customer_info",
    "description": "Use this tool to update customer information in the system.",
    "type": "http",
    "endpoint": "https://api.yourcompany.com/customers/update",
    "method": "POST",
    "body_format": "json",
    "timeout": 15,
    "headers": [
      {
        "name": "Content-Type",
        "value": "application/json"
      }
    ],
    "static_fields": [
      {
        "key": "source",
        "value": "autocalls"
      }
    ],
    "schema": [
      {
        "name": "customer_name",
        "type": "string",
        "description": "Full name of the customer",
        "required": true
      },
      {
        "name": "balance",
        "type": "float",
        "description": "Account balance as a decimal",
        "required": false
      },
      {
        "name": "newsletter_subscription",
        "type": "boolean",
        "description": "Whether customer wants to subscribe to newsletter",
        "required": false
      }
    ],
    "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